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Apache Lucene 6.5.0 发布,Java 搜索引擎

Apache Lucene 6.5.0 发布了。

该版本包含许多错误修复,优化和改进,其中一些值得关注的如下:

  • It is now possible filter out duplicates in the NRT suggester
  • SimpleQueryString now supports default fuziness
  • IndexWriter can return the list of visible field names
  • DisjunctionScorer now supports returning the matching children clauses
  • A new FunctionScoreQuery that modifies the internal query’s score using the per-document   values
  • A new FunctionMatchQuery that returns any documents with a value that matches a predicate
  • A new WordDelimiterGraphFilter that outputs a correct graph structure for multi-token expansion at query time
  • A new PatternTokenizer that uses Lucene’s RegExp implementation
  • RangeFieldQuery now supports CROSSES relation
  • A new IndexOrDocValuesQuery that uses either an index (points or terms) or doc values in   order to run a (range, geo box and distance) query,depending which one is more efficient

点此了解更多详细的更改信息

下载地址发布主页

Lucene 是 Apache 软件基金会一个开放源代码的全文检索引擎工具包,是一个全文检索引擎的架构,提供了完整的查询引擎和索引引擎,部分文本分析引擎。Lucene 的目的是为软件开发人员提供一个简单易用的工具包,以方便的在目标系统中实现全文检索的功能,或者是以此为基础建立起完整的全文检索引擎。

转自 http://www.oschina.net/news/83291/apache-lucene-6-5-0-released

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