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Rename README files to uppercase letters 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@610960 13f79535-47bb-0310-9956-ffa450edef68
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Michael Busch 2008-01-10 22:37:27 +00:00
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contrib/queries/readme.txt
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This module contains a number of filter and query objects that add to core lucene.
The "MoreLikeThis" class from the "similarity" module has been copied into here.
If people are generally happy with this move then the similarity module can be deleted, or at least a
"Moved to queries module..." note left in its place.
==== FuzzyLikeThis - mixes the behaviour of FuzzyQuery and MoreLikeThis but with special consideration
of fuzzy scoring factors. This generally produces good results for queries where users may provide details in a number of
fields and have no knowledge of boolean query syntax and also want a degree of fuzzy matching. The query is fast because, like
MoreLikeThis, it optimizes the query to only the most distinguishing terms.
==== BoostingQuery - effectively demotes search results that match a given query.
Unlike the "NOT" clause, this still selects documents that contain undesirable terms,
but reduces the overall score of docs containing these terms.
==== TermsFilter - Unlike a RangeFilter this can be used for filtering on multiple terms that are not necessarily in
a sequence. An example might be a collection of primary keys from a database query result or perhaps
a choice of "category" labels picked by the end user.
Mark Harwood
25/02/2006

0
contrib/surround/surround.txt → contrib/surround/README.txt
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contrib/xml-query-parser/readme.htm
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<html>
<body>
<h1>XML based query syntax
</h1>
<p>
This module contains:
<ul>
<li>a modular Lucene Query Parser where queries are expressed as XML</li>
<li>JUnit test</li>
<li>DTD schemas and <a href="docs/index.html">generated documentation</a> </li>
<li>Example XML queries</li>
<li>Test index (subset of Reuters 21578)</li>
</ul>
</p>
<p>
The original motivation for creating this package was outlined and discussed <a href="http://marc.theaimsgroup.com/?l=lucene-dev&m=113355526731460&w=2">here</a>.
</p>
<p>
Parser support includes:
<ul>
<li>"Span" queries</li>
<li>Simple caching for filters</li>
<li>"Like this" queries</li>
<li>Boolean, Term, and UserInput (parsed with existing query parser)</li>
<li>BoostingQuery - a class that can downgrade scores for hits on
certain terms rather than the hard-line approach taken by BooleanClause.Occurs.MUST_NOT</li>
<li>FilteredQuery, RangeFilter, DuplicateFilter and "TermsFilter" for non-sequential terms</li>
<li>"FuzzyLikeThis" a new query which is a cross between "LikeThis" and "fuzzy" but with
better scoring of fuzzy terms than standard fuzzy queries</li>
<li>A modular design with expandable support for new query/filter types</li>
</ul>
</p>
<p>This code is dependent on the "queries" contrib module although the "CoreParser" can be compiled with just Lucene core if required</p>
</body>
</html>