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        <title>Greenstone Wiki - en:classifier</title>
        <description></description>
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       <dc:date>2026-05-17T06:20:57+00:00</dc:date>
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        <title>Greenstone Wiki</title>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:alllist&amp;rev=1678671991&amp;do=diff">
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        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
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        <title>alllist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:alllist&amp;rev=1678671991&amp;do=diff</link>
        <description>AllList Classifier

Creates a single list of all documents. Used by the oaiserver.

The following table lists all of the configuration options available for AllList. 
OptionDescriptionValueAllList OptionsNo options come directly from this classifierOptions Inherited from</description>
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        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
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        <title>azcompactlist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:azcompactlist&amp;rev=1678671991&amp;do=diff</link>
        <description>AZCompactList

Classifier plugin for sorting alphabetically (on a-z, A-Z, 0-9). Produces a horizontal A-Z list, then a vertical list containing documents, or bookshelves for documents with common metadata.

The following table lists all of the configuration options available for AZCompactList.</description>
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        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
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        <title>azcompactsectionlist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:azcompactsectionlist&amp;rev=1678671991&amp;do=diff</link>
        <description>AZCompactSectionList

Variation on AZCompactList that classifies sections rather than documents. Entries are sorted by section-level metadata.

The following table lists all of the configuration options available for AZCompactSectionList. 
OptionDescriptionValueAZCompactSectionList Options</description>
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        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
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        <title>azlist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:azlist&amp;rev=1678671991&amp;do=diff</link>
        <description>AZList

Classifier plugin for sorting alphabetically (on a-z, A-Z, 0-9). Produces a horizontal A-Z list, with documents listed underneath.

The following table lists all of the configuration options available for AZList. 
OptionDescriptionValueAZList Options</description>
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        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
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        <title>azsectionlist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:azsectionlist&amp;rev=1678671991&amp;do=diff</link>
        <description>AZSectionList

Variation on AZList that classifies sections rather that documents. Entries are sorted by section-level metadata.

The following table lists all of the configuration options available for AZSectionList. 
OptionDescriptionValueAZSectionList Options</description>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:baseclassifier&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>baseclassifier</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:baseclassifier&amp;rev=1678671991&amp;do=diff</link>
        <description>BaseClassifier

Base class for all the classifiers.

The options below are available for all browsing classifiers.
OptionDescriptionValueBaseClassifier Options buttonname The label for the classifier screen and button in navigation bar. The default is the metadata element specified with -metadata.</description>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:browse&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>browse</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:browse&amp;rev=1678671991&amp;do=diff</link>
        <description>Browse Classifier

A fake classifier that provides a link in the navigation bar to a prototype combined browsing and searching page. Only works for mgpp collections, and is only practical for small collections.

The following table lists all of the configuration options available for Browse. Any detailed information on options specific to this classifier will be found below. Browse inherits some of its options from other classifiers. Any detailed information about these options will be found on …</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>collage</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:collage&amp;rev=1678671991&amp;do=diff</link>
        <description>Collage classifier

An applet is used to display a collage of images found in the collection. Treated as a browsing classifier

The following table lists all of the configuration options available for Collage.
OptionDescriptionValueCollage Options buttonname The label for the classifier screen and button in navigation bar.</description>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:datelist&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>datelist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:datelist&amp;rev=1678671991&amp;do=diff</link>
        <description>DateList classifier

Classifier plugin for sorting by date. By default, sorts by &#039;Date&#039; metadata. Dates are assumed to be in the form yyyymmdd or yyyy-mm-dd.

The following table lists all of the configuration options available for DateList. 
OptionDescription</description>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:hfilehierarchy&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>hfilehierarchy</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:hfilehierarchy&amp;rev=1678671991&amp;do=diff</link>
        <description>HFileHierarchy

Classifier plugin for generating hierarchical classifications based on a 
supplementary structure file.

The following table lists all of the configuration options available for HFileHierarchy. 
OptionDescriptionValueHFileHierarchy Options</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>hierarchy</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:hierarchy&amp;rev=1678671991&amp;do=diff</link>
        <description>Hierarchy classifier

Classifier for generating a hierarchical classification. This may be based on 
structured metadata, or may use a supplementary structure file (use the -hfile option).

The following table lists all of the configuration options available for Hierarchy.</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>html_classifier</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:html_classifier&amp;rev=1678671991&amp;do=diff</link>
        <description>HTML Classifier

Creates an empty classification that&#039;s simply a link to a web page.

The following table lists all of the configuration options available for HTML. 
OptionDescriptionValueHTML Options url (REQUIRED) The url of the web page to link to.</description>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:index&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>index</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:index&amp;rev=1678671991&amp;do=diff</link>
        <description>List of browsing classifiers

List-based classifiers
Browsing ClassifierDescriptionAZCompactListClassifier plugin for sorting alphabetically (on a-z, A-Z, 0-9). Produces a horizontal A-Z list, then a vertical list containing documents, or bookshelves for documents with common metadata.</description>
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    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:list&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>list</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:list&amp;rev=1678671991&amp;do=diff</link>
        <description>List classifier

A general and flexible list classifier with most of the abilities of AZCompactList, 
but with better Unicode, metadata and sorting capabilities.

The following table lists all of the configuration options available for List. 
OptionDescriptionValuesList Options</description>
    </item>
    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:phind&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>phind</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:phind&amp;rev=1678671991&amp;do=diff</link>
        <description>Phind

Browsing classifier that produces a hierarchy of phrases found in the text, which is browsable via an applet.

The following table lists all of the configuration options available for Phind. 
OptionDescriptionValuePhind Options text The text used to build the phrase hierarchy.</description>
    </item>
    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:recentdocumentslist&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>recentdocumentslist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:recentdocumentslist&amp;rev=1678671991&amp;do=diff</link>
        <description>RecentDocumentsList classifier

Classifier that gives a list of newly added or modified documents.

The following table lists all of the configuration options available for RecentDocumentsList. 
OptionDescriptionValueRecentDocumentsList Options include_docs_added_since</description>
    </item>
    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:sectionlist&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>sectionlist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:sectionlist&amp;rev=1678671991&amp;do=diff</link>
        <description>SectionList classifier

Same as List classifier but includes all sections of document (excluding top level) rather than just top level document itself.

The following table lists all of the configuration options available for SectionList. 
OptionDescriptionValueSectionList Options</description>
    </item>
    <item rdf:about="https://wiki.greenstone.org/doku.php?id=en:classifier:simplelist&amp;rev=1678671991&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-13T01:46:31+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>simplelist</title>
        <link>https://wiki.greenstone.org/doku.php?id=en:classifier:simplelist&amp;rev=1678671991&amp;do=diff</link>
        <description>SimpleList

Simple list classifier plugin.

The following table lists all of the configuration options available for SimpleList.
OptionDescriptionValueSimpleList Options metadata A single metadata field or a comma separated list of metadata fields used for classification. Following the order indicated by the list, the first field that contains a metadata value will be used. List will be sorted by this element, unless -sort is used. If no metadata is specified, then all documents will be included…</description>
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