dl19-passage.bm25-b8.yaml

---
corpus: msmarco-passage-bm25-b8
corpus_path: collections/msmarco/msmarco-passage-bm25-b8/

download_url: https://rgw.cs.uwaterloo.ca/JIMMYLIN-bucket0/data/msmarco-passage-bm25-b8.tar
download_checksum: 0a623e2c97ac6b7e814bf1323a97b435

index_path: indexes/lucene-inverted.msmarco-v1-passage.bm25-b8/
collection_class: JsonVectorCollection
generator_class: DefaultLuceneDocumentGenerator
index_threads: 9
index_options: -impact -pretokenized
index_stats:
  documents: 8841823
  documents (non-empty): 8841823
  total terms: 11778323673

metrics:
  - metric: AP@1000
    command: bin/trec_eval
    params: -m map -c -l 2
    separator: "\t"
    parse_index: 2
    metric_precision: 4
    can_combine: false
  - metric: nDCG@10
    command: bin/trec_eval
    params: -m ndcg_cut.10 -c
    separator: "\t"
    parse_index: 2
    metric_precision: 4
    can_combine: false
  - metric: R@100
    command: bin/trec_eval
    params: -m recall.100 -c -l 2
    separator: "\t"
    parse_index: 2
    metric_precision: 4
    can_combine: false
  - metric: R@1000
    command: bin/trec_eval
    params: -m recall.1000 -c -l 2
    separator: "\t"
    parse_index: 2
    metric_precision: 4
    can_combine: false

topic_reader: TsvInt
topics:
  - name: "[DL19 (Passage)](https://trec.nist.gov/data/deep2019.html)"
    id: dl19
    path: topics.dl19-passage.txt
    qrel: qrels.dl19-passage.txt

models:
  - name: bm25-b8
    display: BM25 (default parameters, quantized 8 bits)
    params: -impact
    results:
      AP@1000:
        - 0.3046
      nDCG@10:
        - 0.4993
      R@100:
        - 0.4949
      R@1000:
        - 0.7639