diff --git a/org.planqk.atlas.core/src/main/resources/db/changelog/2020-10-14-00-00-initial.xml b/org.planqk.atlas.core/src/main/resources/db/changelog/2020-10-14-00-00-initial.xml
deleted file mode 100644
index 74a010e91..000000000
--- a/org.planqk.atlas.core/src/main/resources/db/changelog/2020-10-14-00-00-initial.xml
+++ /dev/null
@@ -1,689 +0,0 @@
-<?xml version="1.1" encoding="UTF-8" standalone="no"?>
-<!--~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Copyright (c) 2020 the qc-atlas contributors.
-  ~
-  ~ See the NOTICE file(s) distributed with this work for additional
-  ~ information regarding copyright ownership.
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->
-
-<databaseChangeLog
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
-    <changeSet author="Tim (generated)" id="1602858179498-1">
-        <createTable tableName="algorithm_application_area">
-            <column name="algorithm_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_application_area_pkey"/>
-            </column>
-            <column name="application_area_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_application_area_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-2">
-        <createTable tableName="algorithm">
-            <column name="acronym" type="VARCHAR(255)"/>
-            <column name="algo_parameter" type="TEXT"/>
-            <column name="assumptions" type="VARCHAR(255)"/>
-            <column name="computation_model" type="INTEGER"/>
-            <column name="input_format" type="TEXT"/>
-            <column name="intent" type="TEXT"/>
-            <column name="name" type="VARCHAR(255)"/>
-            <column name="output_format" type="TEXT"/>
-            <column name="problem" type="TEXT"/>
-            <column name="solution" type="TEXT"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-3">
-        <createTable tableName="algorithm_problem_type">
-            <column name="algorithm_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_problem_type_pkey"/>
-            </column>
-            <column name="problem_type_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_problem_type_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-4">
-        <createTable tableName="algorithm_publication">
-            <column name="algorithm_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_publication_pkey"/>
-            </column>
-            <column name="publication_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_publication_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-5">
-        <createTable tableName="algorithm_relation">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_relation_pkey"/>
-            </column>
-            <column name="description" type="VARCHAR(255)"/>
-            <column name="algorithm_relation_type_id" type="UUID"/>
-            <column name="source_algorithm" type="UUID"/>
-            <column name="target_algorithm" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-6">
-        <createTable tableName="algorithm_relation_type">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_relation_type_pkey"/>
-            </column>
-            <column name="name" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-7">
-        <createTable tableName="algorithm_tag">
-            <column name="algorithm_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_tag_pkey"/>
-            </column>
-            <column name="tag_value" type="VARCHAR(255)">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="algorithm_tag_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-8">
-        <createTable tableName="application_area">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="application_area_pkey"/>
-            </column>
-            <column name="name" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-9">
-        <createTable tableName="classic_algorithm">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="classic_algorithm_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-10">
-        <createTable tableName="classic_implementation">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="classic_implementation_pkey"/>
-            </column>
-            <column name="algorithm_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-11">
-        <createTable tableName="cloud_service">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="cloud_service_pkey"/>
-            </column>
-            <column name="cost_model" type="VARCHAR(255)"/>
-            <column name="description" type="VARCHAR(255)"/>
-            <column name="name" type="VARCHAR(255)"/>
-            <column name="provider" type="VARCHAR(255)"/>
-            <column name="url" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-12">
-        <createTable tableName="cloud_services_compute_resources">
-            <column name="cloud_service_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="cloud_services_compute_resources_pkey"/>
-            </column>
-            <column name="compute_resource_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="cloud_services_compute_resources_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-13">
-        <createTable tableName="compute_resource">
-            <column name="dtype" type="VARCHAR(31)">
-                <constraints nullable="false"/>
-            </column>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="compute_resource_pkey"/>
-            </column>
-            <column name="name" type="VARCHAR(255)"/>
-            <column name="quantum_computation_model" type="INTEGER"/>
-            <column name="technology" type="VARCHAR(255)"/>
-            <column name="vendor" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-14">
-        <createTable tableName="compute_resource_property">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="compute_resource_property_pkey"/>
-            </column>
-            <column name="value" type="VARCHAR(255)"/>
-            <column name="algorithm_id" type="UUID"/>
-            <column name="compute_resource_id" type="UUID"/>
-            <column name="compute_resource_property_type_id" type="UUID"/>
-            <column name="implementation_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-15">
-        <createTable tableName="compute_resource_property_type">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="compute_resource_property_type_pkey"/>
-            </column>
-            <column name="datatype" type="INTEGER"/>
-            <column name="description" type="VARCHAR(255)"/>
-            <column name="name" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-16">
-        <createTable tableName="discussion_comment">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="discussion_comment_pkey"/>
-            </column>
-            <column name="date" type="TIMESTAMP WITHOUT TIME ZONE"/>
-            <column name="text" type="VARCHAR(255)"/>
-            <column name="discussion_topic_id" type="UUID"/>
-            <column name="reply_to_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-17">
-        <createTable tableName="discussion_topic">
-            <column name="date" type="TIMESTAMP WITHOUT TIME ZONE"/>
-            <column name="description" type="VARCHAR(255)"/>
-            <column name="status" type="VARCHAR(255)"/>
-            <column name="title" type="VARCHAR(255)"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="discussion_topic_pkey"/>
-            </column>
-            <column name="knowledge_artifact_id" type="UUID">
-                <constraints nullable="false"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-18">
-        <createTable tableName="knowledge_artifact">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="knowledge_artifact_pkey"/>
-            </column>
-            <column name="creation_date" type="TIMESTAMP WITHOUT TIME ZONE"/>
-            <column name="last_modified_at" type="TIMESTAMP WITHOUT TIME ZONE"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-19">
-        <createTable tableName="sketch">
-            <column name="description" type="TEXT"/>
-            <column name="imageurl" type="VARCHAR(255)"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="sketch_pkey"/>
-            </column>
-            <column name="algorithm_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-20">
-        <createTable tableName="pattern_relation">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="pattern_relation_pkey"/>
-            </column>
-            <column name="description" type="VARCHAR(255)"/>
-            <column name="pattern" type="BYTEA"/>
-            <column name="algorithm_id" type="UUID"/>
-            <column name="pattern_relation_type_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-21">
-        <createTable tableName="pattern_relation_type">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="pattern_relation_type_pkey"/>
-            </column>
-            <column name="name" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-22">
-        <createTable tableName="publication">
-            <column name="doi" type="VARCHAR(255)"/>
-            <column name="title" type="VARCHAR(255)"/>
-            <column name="url" type="VARCHAR(255)"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="publication_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-23">
-        <createTable tableName="software_platform_cloud_services">
-            <column name="software_platform_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="software_platform_cloud_services_pkey"/>
-            </column>
-            <column name="cloud_service_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="software_platform_cloud_services_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-24">
-        <createTable tableName="software_platforms_compute_resources">
-            <column name="software_platform_id" type="UUID">
-                <constraints nullable="false" primaryKey="true"
-                             primaryKeyName="software_platforms_compute_resources_pkey"/>
-            </column>
-            <column name="compute_resource_id" type="UUID">
-                <constraints nullable="false" primaryKey="true"
-                             primaryKeyName="software_platforms_compute_resources_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-25">
-        <createTable tableName="implementation_tag">
-            <column name="implementation_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="implementation_tag_pkey"/>
-            </column>
-            <column name="tag_value" type="VARCHAR(255)">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="implementation_tag_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-26">
-        <createTable tableName="tag">
-            <column name="value" type="VARCHAR(255)">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="tag_pkey"/>
-            </column>
-            <column name="category" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-27">
-        <createTable tableName="publication_authors">
-            <column name="publication_id" type="UUID">
-                <constraints nullable="false"/>
-            </column>
-            <column name="authors" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-28">
-        <createTable tableName="software_platform">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="software_platform_pkey"/>
-            </column>
-            <column name="licence" type="VARCHAR(255)"/>
-            <column name="link" type="VARCHAR(255)"/>
-            <column name="name" type="VARCHAR(255)"/>
-            <column name="version" type="VARCHAR(255)"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-29">
-        <createTable tableName="quantum_algorithm">
-            <column name="nisq_ready" type="BOOLEAN">
-                <constraints nullable="false"/>
-            </column>
-            <column name="quantum_computation_model" type="INTEGER"/>
-            <column name="speed_up" type="VARCHAR(255)"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="quantum_algorithm_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-30">
-        <createTable tableName="quantum_implementation">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="quantum_implementation_pkey"/>
-            </column>
-            <column name="algorithm_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-31">
-        <createTable tableName="implementation">
-            <column name="assumptions" type="VARCHAR(255)"/>
-            <column name="contributors" type="VARCHAR(255)"/>
-            <column name="dependencies" type="VARCHAR(255)"/>
-            <column name="description" type="TEXT"/>
-            <column name="input_format" type="TEXT"/>
-            <column name="license" type="VARCHAR(255)"/>
-            <column name="link" type="VARCHAR(255)"/>
-            <column name="name" type="VARCHAR(255)"/>
-            <column name="output_format" type="TEXT"/>
-            <column name="parameter" type="VARCHAR(255)"/>
-            <column name="problem_statement" type="TEXT"/>
-            <column name="technology" type="VARCHAR(255)"/>
-            <column name="version" type="VARCHAR(255)"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="implementation_pkey"/>
-            </column>
-            <column name="implemented_algorithm_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-32">
-        <createTable tableName="problem_type">
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="problem_type_pkey"/>
-            </column>
-            <column name="name" type="VARCHAR(255)"/>
-            <column name="parent_problem_type" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-33">
-        <createTable tableName="implementation_publication">
-            <column name="implementation_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="implementation_publication_pkey"/>
-            </column>
-            <column name="publication_id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="implementation_publication_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-34">
-        <createTable tableName="implementation_software_platforms">
-            <column name="implementation_id" type="UUID">
-                <constraints nullable="false" primaryKey="true"
-                             primaryKeyName="implementation_software_platforms_pkey"/>
-            </column>
-            <column name="software_platform_id" type="UUID">
-                <constraints nullable="false" primaryKey="true"
-                             primaryKeyName="implementation_software_platforms_pkey"/>
-            </column>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-35">
-        <createTable tableName="image">
-            <column name="image" type="BYTEA"/>
-            <column name="mime_type" type="VARCHAR(255)"/>
-            <column name="id" type="UUID">
-                <constraints nullable="false" primaryKey="true" primaryKeyName="image_pkey"/>
-            </column>
-            <column name="sketch_id" type="UUID"/>
-        </createTable>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-36">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="algorithm_tag"
-                                 constraintName="fk2k599458h8m62np4m75ukcvm0" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-37">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="algorithm_application_area"
-                                 constraintName="fk4kjef0upq0qftpafdd25l7t0c" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-38">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="algorithm_publication"
-                                 constraintName="fk4ksdqnqv8lw1685grhv4kjywf" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-39">
-        <addForeignKeyConstraint baseColumnNames="target_algorithm" baseTableName="algorithm_relation"
-                                 constraintName="fk5p53wf3j277a176t73ef3wuv2" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-40">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="pattern_relation"
-                                 constraintName="fk9by0eabrmyinhakiirdy7finm" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-41">
-        <addForeignKeyConstraint baseColumnNames="source_algorithm" baseTableName="algorithm_relation"
-                                 constraintName="fk9cbjg9pmuosnnifvfqqnu77aa" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-42">
-        <addForeignKeyConstraint baseColumnNames="implemented_algorithm_id" baseTableName="implementation"
-                                 constraintName="fkahksfpw97e0c9jet3vu489ohb" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-43">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="algorithm_problem_type"
-                                 constraintName="fkd383l41lvcuvooum4re1trytr" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-44">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="sketch"
-                                 constraintName="fkehjal9c57gebep6lsrrfkbq61" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-45">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="classic_algorithm"
-                                 constraintName="fkf8hl76cv1lapta56g1vjdyyow" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-46">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="quantum_algorithm"
-                                 constraintName="fkksxr1gyvxadejxfhfrfkh5m1" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-47">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="compute_resource_property"
-                                 constraintName="fkmnnvywwb2eqox08q7x6nnyscf" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-48">
-        <addForeignKeyConstraint baseColumnNames="algorithm_relation_type_id" baseTableName="algorithm_relation"
-                                 constraintName="fksoc9d6qhee9xmia2o80adfymt" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="algorithm_relation_type"
-                                 validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-49">
-        <addForeignKeyConstraint baseColumnNames="application_area_id" baseTableName="algorithm_application_area"
-                                 constraintName="fkr5g50nihf4cl2e6cwv4hfs1p" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="application_area" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-50">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="classic_implementation"
-                                 constraintName="fk3je79xy3m07m7de0rxt3pts8d" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="classic_algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-51">
-        <addForeignKeyConstraint baseColumnNames="cloud_service_id" baseTableName="software_platform_cloud_services"
-                                 constraintName="fk33jvx36u9tc8y97amj90aq4p5" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="cloud_service" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-52">
-        <addForeignKeyConstraint baseColumnNames="cloud_service_id" baseTableName="cloud_services_compute_resources"
-                                 constraintName="fkdyyng98y8qeuks8qjfeg9jime" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="cloud_service" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-53">
-        <addForeignKeyConstraint baseColumnNames="compute_resource_id"
-                                 baseTableName="software_platforms_compute_resources"
-                                 constraintName="fk3idoyrtaifamtyfdqr5ewvdtv" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="compute_resource" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-54">
-        <addForeignKeyConstraint baseColumnNames="compute_resource_id" baseTableName="cloud_services_compute_resources"
-                                 constraintName="fkqklkuiospnsfn6n5k7uh57mwh" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="compute_resource" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-55">
-        <addForeignKeyConstraint baseColumnNames="compute_resource_id" baseTableName="compute_resource_property"
-                                 constraintName="fktdgysfhlbm4cj20vfw7suap8i" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="compute_resource" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-56">
-        <addForeignKeyConstraint baseColumnNames="compute_resource_property_type_id"
-                                 baseTableName="compute_resource_property" constraintName="fk3ilvgc8wusnfhy0cgl8cvqsrs"
-                                 deferrable="false" initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="compute_resource_property_type"
-                                 validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-57">
-        <addForeignKeyConstraint baseColumnNames="reply_to_id" baseTableName="discussion_comment"
-                                 constraintName="fkhvhl406lwx2yrn62u7pdf5se5" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="discussion_comment" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-58">
-        <addForeignKeyConstraint baseColumnNames="discussion_topic_id" baseTableName="discussion_comment"
-                                 constraintName="fk7st41tqwtxhelg9euc4y4qqm4" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="discussion_topic" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-59">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="sketch"
-                                 constraintName="fk1127ygjhclmhfr5twkvoymhum" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-60">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="publication"
-                                 constraintName="fk2m528opx84shvoyy4fxpok7t5" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-61">
-        <addForeignKeyConstraint baseColumnNames="publication_id" baseTableName="publication_authors"
-                                 constraintName="fk6iioc1g7j5y16e7vw3x1anodj" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="publication" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-62">
-        <addForeignKeyConstraint baseColumnNames="algorithm_id" baseTableName="quantum_implementation"
-                                 constraintName="fk793p84p7n3qh71le8iqyvchv9" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="quantum_algorithm" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-63">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="implementation"
-                                 constraintName="fknqdt30hn1h4sm25ah5gdi38u0" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-64">
-        <addForeignKeyConstraint baseColumnNames="implementation_id" baseTableName="implementation_publication"
-                                 constraintName="fkch41y23ssi6oj169speo5dxoy" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="implementation" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-65">
-        <addForeignKeyConstraint baseColumnNames="publication_id" baseTableName="implementation_publication"
-                                 constraintName="fklv2uiqj4rrymnmqbuudet7fjb" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="publication" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-66">
-        <addForeignKeyConstraint baseColumnNames="software_platform_id"
-                                 baseTableName="implementation_software_platforms"
-                                 constraintName="fkf2yb5f1c98uplaxylmmgpms91" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="software_platform" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-67">
-        <addForeignKeyConstraint baseColumnNames="implementation_id" baseTableName="implementation_software_platforms"
-                                 constraintName="fktmwiwx6s8svey7vl5wd1wbp25" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="implementation" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-68">
-        <addForeignKeyConstraint baseColumnNames="sketch_id" baseTableName="image"
-                                 constraintName="fkltsrliwwi922e2s4gng5m6wqx" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="sketch" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-69">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="image" constraintName="fkrgn16rchq4y9vhhx26m1pj2kh"
-                                 deferrable="false" initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-70">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="algorithm"
-                                 constraintName="fkh714p5lo5u77x1bc14s4g8b3t" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-71">
-        <addForeignKeyConstraint baseColumnNames="problem_type_id" baseTableName="algorithm_problem_type"
-                                 constraintName="fkbqoq02m0qsrxllbnb0d7k52vi" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="problem_type" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-72">
-        <addForeignKeyConstraint baseColumnNames="publication_id" baseTableName="algorithm_publication"
-                                 constraintName="fkeks3idqeo7ys2f6duiny918dr" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="publication" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-73">
-        <addForeignKeyConstraint baseColumnNames="tag_value" baseTableName="algorithm_tag"
-                                 constraintName="fk5skhq8p0k8aso9cl8cds8q3q1" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="value" referencedTableName="tag" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-74">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="classic_implementation"
-                                 constraintName="fkftorvyxvkj4ok7apanwd4n5m6" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="implementation" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-75">
-        <addForeignKeyConstraint baseColumnNames="implementation_id" baseTableName="compute_resource_property"
-                                 constraintName="fkk7lt36lixpn6vtn3bnwk3i1e3" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="implementation" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-76">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="discussion_topic"
-                                 constraintName="fkeet74vudcv9mlofm7f2ttpa4p" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-77">
-        <addForeignKeyConstraint baseColumnNames="knowledge_artifact_id" baseTableName="discussion_topic"
-                                 constraintName="fknx1gpextw0013t1hb0lett1sk" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="knowledge_artifact" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-78">
-        <addForeignKeyConstraint baseColumnNames="pattern_relation_type_id" baseTableName="pattern_relation"
-                                 constraintName="fk2hap3a25ae7i3n1ir2srffhq9" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="pattern_relation_type"
-                                 validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-79">
-        <addForeignKeyConstraint baseColumnNames="software_platform_id" baseTableName="software_platform_cloud_services"
-                                 constraintName="fkl8r1e28p0o06sar2ujke0yx4o" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="software_platform" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-80">
-        <addForeignKeyConstraint baseColumnNames="software_platform_id"
-                                 baseTableName="software_platforms_compute_resources"
-                                 constraintName="fk71k3mlsekeell9ei812sduh8o" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="software_platform" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-81">
-        <addForeignKeyConstraint baseColumnNames="tag_value" baseTableName="implementation_tag"
-                                 constraintName="fk3p2fgn1pojdw4kr6l4t6w3l87" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="value" referencedTableName="tag" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-82">
-        <addForeignKeyConstraint baseColumnNames="implementation_id" baseTableName="implementation_tag"
-                                 constraintName="fkgllsrswnpwu9bfhvcghyj19oo" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="implementation" validate="true"/>
-    </changeSet>
-    <changeSet author="Tim (generated)" id="1602858179498-83">
-        <addForeignKeyConstraint baseColumnNames="id" baseTableName="quantum_implementation"
-                                 constraintName="fkm4d7ussdf2l8kf5627q84k7ld" deferrable="false"
-                                 initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION"
-                                 referencedColumnNames="id" referencedTableName="implementation" validate="true"/>
-    </changeSet>
-</databaseChangeLog>
diff --git a/pom.xml b/pom.xml
index 3266db7b3..2124134d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,8 +41,6 @@
         <!-- depdendency versions -->
         <!-- spring.version must match parent.version -->
         <spring.version>2.2.4.RELEASE</spring.version>
-        <org.liquibase.version>4.1.0</org.liquibase.version>
-
         <!--
         The database specified here is used for the following:
         * Default database in non-Docker development environments
@@ -51,6 +49,9 @@
         <db.url>jdbc:postgresql://localhost:5432/planqk</db.url>
         <db.username>planqk</db.username>
         <db.password>planqk</db.password>
+        <flyway.url>jdbc:postgresql://localhost:5432/planqk</flyway.url>
+        <flyway.user>planqk</flyway.user>
+        <flyway.password>planqk</flyway.password>
         <checkstyle.config.location>checkstyle.xml</checkstyle.config.location>
         <maven.checkstyle.version>3.1.1</maven.checkstyle.version>
         <checkstyle.addons.version>6.0.1</checkstyle.addons.version>
@@ -107,6 +108,11 @@
                     </dependency>
                 </dependencies>
             </plugin>
+            <plugin>
+                <groupId>org.flywaydb</groupId>
+                <artifactId>flyway-maven-plugin</artifactId>
+                <version>7.1.1</version>
+            </plugin>
         </plugins>
     </build>
 
@@ -175,11 +181,6 @@
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
         </dependency>
-<!--        <dependency>
-            <groupId>org.liquibase</groupId>
-            <artifactId>liquibase-core</artifactId>
-            <version>${org.liquibase.version}</version>
-        </dependency>-->
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>