mirror of https://github.com/apache/lucene.git
minor feature updates
git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@545000 13f79535-47bb-0310-9956-ffa450edef68
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<section>
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<title>Solr Uses the Lucene Search Library and Extends it!</title>
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<ul>
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<li> A Real Data Schema, with Dynamic Fields, Unique Keys </li>
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<li> A Real Data Schema, with Numeric Types, Dynamic Fields, Unique Keys </li>
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<li> Powerful Extensions to the Lucene Query Language </li>
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<li> Support for Dynamic Faceted Browsing and Filtering </li>
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<li> Advanced, Configurable Text Analysis </li>
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<li> An Administration Interface </li>
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<li> Monitorable Logging </li>
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<li> Fast Incremental Updates and Snapshot Distribution </li>
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<li> XML and CSV/delimited-text update formats </li>
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</ul>
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</section>
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<li>Defines the field types and fields of documents</li>
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<li>Can drive more intelligent processing</li>
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<li>Declarative Lucene Analyzer specification</li>
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<li>Dynamic Fields enables on-the-fly addition of fields</li>
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<li>Dynamic Fields enables on-the-fly addition of new fields</li>
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<li>CopyField functionality allows indexing a single field multiple ways, or combining multiple fields into a single searchable field</li>
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<li>Explicit types eliminates the need for guessing types of fields</li>
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<li>External file-based configuration of stopword lists, synonym lists, and protected word lists</li>
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<li>Many additional text analysis components including word splitting, regex and sounds-like filters</li>
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</ul>
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</section>
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<section><title>Query</title>
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<ul>
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<li>HTTP interface with configurable response formats (XML/XSLT, JSON, Python, Ruby)</li>
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<li>Sort by any number of fields</li>
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<li>Advanced DisMax query parser for high relevancy results from user-entered queries</li>
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<li>Highlighted context snippets</li>
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<li>Faceted Searching based on field values and explicit queries</li>
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<li>Sort specifications added to query language</li>
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<li>Faceted Searching based on unique field values and explicit queries</li>
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<li>Constant scoring range and prefix queries - no idf, coord, or lengthNorm factors, and no restriction on the number of terms the query matches.</li>
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<li>Function Query - influence the score by a function of a field's numeric value or ordinal</li>
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<li>Date Math - specify dates relative to "NOW" in queries and updates</li>
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<li>Performance Optimizations</li>
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</ul>
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</section>
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<li>Searcher concurrency control</li>
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<li>Correct handling of numeric types for both sorting and range queries</li>
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<li>Ability to control where docs with the sort field missing will be placed</li>
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<li>Support for dynamic grouping of search results</li>
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<li>"Luke" request handler for corpus information</li>
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</ul>
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</section>
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