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Lucene's FuzzyQuery is 100 times faster in 4.0
There are many exciting improvements in Lucene's eventual 4.0 (trunk) release, but the awesome speedup to FuzzyQuery really stands out, not only from its incredible gains but also because of the amazing behind-the-scenes story of how it all came to be. FuzzyQuery matches terms "close" to a specified base term: you specify an allowed maximum edit distance, and any terms within that edit distance fr
全文検索サーãƒ: ã“ã‚Œã‹ã‚‰Solrを始ã‚る人ã®ãŸã‚ã®Apache Solr概è¦ã¨ä¾¿åˆ©ãªæƒ…å ±ãƒªã‚¹ãƒˆé›†
ã¯ã˜ã‚ã¾ã—ã¦ã€‚ プãƒãƒ€ã‚¯ãƒˆ&サービス事æ¥éƒ¨ リーダーã®ä¹…ä¿ã§ã™ã€‚ 今日ã¯ã€å½“社ã§åˆ©ç”¨ã—ã¦ã„ã‚‹OSSã®å…¨æ–‡æ¤œç´¢ã‚¢ãƒ—リケーションã§ã‚ã‚‹Apache Solrã«ã¤ã„ã¦ã”紹介ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ Googleã§Solrを検索ã—ã¦ã‚‚ã€æ—¥æœ¬èªžåœã®ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã¯ã¾ã ã¾ã å°‘ãªã„よã†ã§ã™ã€‚ 当社ãŒSolrを使ã„始ã‚ãŸæ˜¨å¹´ã¯ç¾åœ¨ã‚ˆã‚Šã‚‚ã•ã‚‰ã«å°‘ãªãã€çµæ§‹è‹¦åŠ´ã—ã¾ã—ãŸã€‚ 今回ã¯ã‚„や雑多ãªå†…容ã¨ãªã‚Šã¾ã™ãŒã€æ–°ã—ãSolrを使ã†éš›ã«å¿…è¦ã¨è€ƒãˆã‚‰ã‚Œã‚‹æƒ…å ±ã‚’ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ 本エントリーã§ã¯ã€Solr1.3を対象ã¨ã—ã¦ã„ã¾ã™ã€‚ Solr1.3ãŒç¾åœ¨ã®å®‰å®šç‰ˆã§ã€Solr1.4-devãŒé–‹ç™ºç‰ˆã¨ãªã‚Šã¾ã™ã€‚ 目次 Solrã¨ã¯ 機能一覧 実績/事例 Solrを使ã£ãŸã‚·ã‚¹ãƒ†ãƒ ã®é–‹ç™ºæ–¹æ³• ãŠã™ã™ã‚ã™ã‚‹æ–¹ データé‡/性能ã¨ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ マルãƒã‚³ã‚¢æ§‹æˆ 様々ãªæ¤œç´¢ スケールアウト 検索ã¨æ›´æ–° Solrを始ã‚ã‚‹ãŸã‚ã®æƒ…å ±ãƒªã‚¹ãƒˆ å…¨
Ikai Says...
Personal insights into the world of technology I’m Ikai and I say a lot about the world of technology. This blog contains some of the more interesting ideas I’ve shared. Let me demistify technology. The rate of technological development has increased dramatically over the last ten years making it easier than ever to be confused and exploited. I’m here to take the guess work and confusion out of te
Luceneã¨Solrをマージã™ã‚‹ä»¶ | é–¢å£å®å¸ã®Luceneブãƒã‚°
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BooleanQueryã®ä¸å…·åˆä¿®æ£ï¼ˆ2.9.1） | é–¢å£å®å¸ã®Luceneブãƒã‚°
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Luke - Lucene Index Toolbox
Luke - Lucene Index Toolbox Important note: Luke is now hosted at Google Code: http://code.google.com/p/luke/ and you should go to that page to obtain the latest release of Luke. This page contains only information about past releases and is no longer up to date. Lucene is an Open Source, mature and high-performance Java search engine. It is highly flexible, and scalable from hundreds to millions
よã†ã‚„ã Lucene 2.9.0 ãŒãƒªãƒªãƒ¼ã‚¹ | é–¢å£å®å¸ã®Luceneブãƒã‚°
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LuSQL | é–¢å£å®å¸ã®Luceneブãƒã‚°
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Lucene 2.4ã¨Lucene 2.0ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹æ§‹ç¯‰é€Ÿåº¦æ¯”較 - kaisehã®ãƒ–ãƒã‚°
Luceneã¯ã€ã“ã¡ã‚‰ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ãªã©ã‚’見るé™ã‚Šã€Sennaãªã©ä»–ã®å…¨æ–‡æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ã«æ¯”ã¹ã¦ç›¸å½“é…ã„ã¨ã•ã‚Œã¦ã„るよã†ã§ã™ã€‚ 上記ページã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã§ã¯Lucene 2.0ãŒä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚僕も数年å‰ã«Lucene 2.0を使ã£ãŸã“ã¨ãŒã‚ã£ã¦ã€ãれ以é™ã¯Luceneã«è§¦ã‚Œã¦ã„ãªã‹ã£ãŸã‚“ã§ã™ãŒã€æœ€è¿‘ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ãƒ‘フォーマンスãŒå¤§å¹…ã«æ”¹å–„ã•ã‚Œã¦ã„ã‚‹ãã†ãªã®ã§ã€ã©ã‚Œãらã„速ããªã£ãŸã®ã‹ã€ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ä½œæˆé€Ÿåº¦ã‚’比較ã—ã¦ã¿ã¾ã—ãŸã€‚ 比較ã«ä½¿ã£ãŸã®ã¯Lucene 2.4.1（2009/03）ã¨Lucene 2.0.0（2006/05）ã§ã™ã€‚以下ã®æ¡ä»¶ã§ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ä½œæˆæ™‚間を計測ã—ã¾ã—ãŸã€‚ データ: 日本語版Wikipediaã®ãƒ€ãƒ³ãƒ—ã‹ã‚‰å…ˆé 20万記事 インデックス形å¼: 記事タイトル: Store.YES, Index.ANALYZED（元文å—列＋インデックス） 記事本文: Store.COMPR
（メモ）commons-loggingよりもslf4jãŒå¥½ã¾ã—ã„ç†ç”± | é–¢å£å®å¸ã®Luceneブãƒã‚°
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livedoor Techブãƒã‚° : 全文検索エンジン lucene(ルシーン) を使ã£ã¦ã¿ãŸ
ã“ã‚“ã«ã¡ã¯ 。 検索 関連 ã‚’ 担当 ã—㦠ã„ã‚‹ ã‚„ã¾ã—ー ã§ã™ 。 今回㯠livedoor ã§æä¾›ã—ã¦ã„るサービスã®ä¸ã®ã€Œæ¤œç´¢é–¢é€£ã€ã«ã¤ã„ã¦æ›¸ãã¾ã™ã€‚ ã“ã®ãƒ–ãƒã‚°ã§ã‚‚éŽåŽ»ã«ä½•åº¦ã‹å–り上ã’られã¦ã„ã¾ã™ãŒã€livedoor ã§ã¯æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ã¨ã—㦠HyperEstraierã€luceneã€mysql + sennaã€Namazuã€SUFARY ãªã©ã‚’利用ã—ã¦ã„ã¾ã™ã€‚ ãã®ä¸ã§ lucene ã®åˆ©ç”¨æ–¹æ³•ã‚„機能拡張ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ lucene ã¨ã¯ Apache Lucene ã¯ã€Java ã§æ›¸ã‹ã‚ŒãŸé«˜æ€§èƒ½ã§é«˜æ©Ÿèƒ½ãªæ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ãƒ©ã‚¤ãƒ–ラリã§ã™ã€‚全文検索を（特ã«ã‚¯ãƒã‚¹ãƒ—ラットフォームã§ï¼‰å¿…è¦ã¨ã™ã‚‹ã»ã¨ã‚“ã©ã®ã‚¢ãƒ—リケーションã«é©ã—ã¦ã„る技術ã§ã™ã€‚※ å…¬å¼ã‚µã‚¤ãƒˆã‹ã‚‰æŠœç²‹ インデックスã®ä½œæˆ lucene ã¯è»¢ç½®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹åž‹ã®æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ãªã®ã§ã€ãƒ‰ã‚ュメントを検索ã™ã‚‹ã«ã¯ã€ã¾ãšã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã®ä½œ
Lucene + TinySegmenterã¨ã„ã†ã‚¢ã‚¤ãƒ‡ã‚¢ - spiritlooseã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
ãã†ã„ãˆã°ã€TinySegmenterã‚’Javaã§å®Ÿè£…ã—ã¦Luceneã®Tokenizerを書ã‘ã°Luceneã§ä½¿ãˆã‚‹ã‹ã‚‚ã。 実装ã¯æ¯”較的ラクã ã¨æ€ã†ã€‚ 今ã®ã¨ã“ã‚Luceneを使ã†äºˆå®šã¯ãªã„。ã®ã§ç©¶æ¥µæš‡ã«ãªã£ãŸã‚‰ä½œã‚‹ã‹ã‚‚。
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