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catalog.html
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<!DOCTYPE html>
<html>
<head>
<title>OPDS Catalog</title>
<meta name="description" content="An easy way to browse, search and acquire content from a large collection." />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<!-- Bootstrap -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="utf-8" />
<link href="css/bootstrap.min.css" rel="stylesheet" />
<link href="css/bootstrap-responsive.min.css" rel="stylesheet" />
<!-- Site CSS -->
<link href="css/opds.css" rel="stylesheet" />
</head>
<body>
<div class="container">
<!-- Navigation -->
<div class="row-fluid hidden-phone">
<a href="index.html"><img src="img/logo.png" alt="Open Publication Distribution System" title="Open Publication Distribution System" /></a>
<ul class="nav nav-pills pull-right">
<li><a href="index.html">Home</a></li>
<li><a href="presentation.html">Presentation</a></li>
<li class="active"><a href="learn.html">Learn</a></li>
<li><a href="https://specs.opds.io">Specifications</a></li>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Resources <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="https://test.opds.io">Test a client</a></li>
<li><a href="http://opds-validator.appspot.com/">Validate a catalog</a></li>
<li><a href="http://github.com/search?q=OPDS&start_value=1&type=Repositories">Search on GitHub</a></li>
</ul>
</li>
<li><a href="http://groups.google.com/group/openpub">Discussions</a></li>
</ul>
</div>
<div class="row-fluid visible-phone center">
<a href="index.html"><img src="img/logo.png" alt="Open Publication Distribution System" title="Open Publication Distribution System" /></a>
</div>
<hr class="hidden-phone" />
<!-- Presentation -->
<div class="row-fluid append1">
<h1>Catalog</h1>
<hr />
<p class="lead">An easy way to browse, search and acquire content from a large collection. Catalogs are designed to be uniquely curated by their creators, with deep navigation based on links and faceted browsing.</p>
<p class="lead">Catalogs are separated in two different kind of collections:</p>
</div>
<!-- Main content -->
<div class="row-fluid append1">
<div class="featurette append1">
<img class="featurette-image pull-right" src="img/catalog1.png" alt="Screenshot of an OPDS client displaying a navigation collection" title="Screenshot of an OPDS client displaying a navigation collection" />
<h2 class="featurette-heading">1. Navigation</h2>
<p class="lead">Navigation in an OPDS catalog is like the main menu of a website.</p>
<p class="lead">Each item is a link to another place in the catalog and content providers are entirely free to design this navigation however they want.</p>
</div>
<div class="featurette append2">
<img class="featurette-image pull-left" src="img/catalog2.png" alt="Screenshot of an OPDS client displaying an acquisition collection" title="Screenshot of an OPDS client displaying an acquisition collection" />
<h2 class="featurette-heading">2. Acquisition</h2>
<p class="lead">Acquisition collections are meant to list metadata about content items and provide links to acquire them.</p>
<p class="lead">Key metadata such as a title, an author/contributor or a description are required.</p>
<p class="lead">All content items must have a link where you can acquire them (buy, borrow, subscribe, sample or download).</p>
</div>
<h2>Additional features</h2>
<hr />
<p class="lead append1">Aside from these two type of collections, OPDS catalogs are also structured around links, either at a collection or at an item level.</p>
<div class="center append1">
<img src="img/catalog3.png" alt="Screenshot of an OPDS client displaying a book" title="Screenshot of an OPDS client displaying a book" />
<img src="img/catalog4.png" alt="Screenshot of an OPDS client displaying a book" title="Screenshot of an OPDS client displaying a book" />
</div>
<p class="lead">Links in a content item can provide additional navigation to explore the catalog.</p>
<p class="lead append2">For example, if the content item is a book, links might provide an easy way to find books from the same author, in the same series or from the same publisher.</p>
<div class="center append1">
<img src="img/catalog5.png" alt="Screenshot of an OPDS client faceted browsing" title="Screenshot of an OPDS client displaying faceted browsing" />
</div>
<p class="lead">Links in a collection can provide either related collections or a way to filter an acquisition collection.</p>
<p class="lead">In this screenshot, you can see an example of both cases.</p>
<p class="lead">While the client is currently browsing a collection listing best selling books, related collections are also suggested: new releases and featured books.</p>
<p class="lead">To filter the content items currently listed, facets are also displayed: sub-genres, price and language. Using these facets, the client can access a different subset of items or reorder the current collection.</p>
</div>
<hr />
<footer>
<p class="pull-right hidden-phone"><a href="#">Back to top</a></p>
<p>A project of the <a href="http://groups.google.com/group/openpub">OPDS Working Group</a> & <a href="http://www.feedbooks.com/">Feedbooks</a>, © <a href="http://www.lindsaygrime.co.uk/">Lindsay Grime</a> for the illustrations</p>
</footer>
</div>
<script src="https://code.jquery.com/jquery-latest.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>