http://cslt.org/mediawiki/index.php?action=history&feed=atom&title=Boost_keyword_before_search_with_ITIDF 2026-04-14T01:18:23Z 本wiki的该页面的版本历史 MediaWiki 1.23.3 http://cslt.org/mediawiki/index.php?title=Boost_keyword_before_search_with_ITIDF&diff=12609&oldid=prev 2014-11-21T01:14:02Z

<p>以“* boost the query keyword using IDF {| border=&quot;2px&quot; |+ boost keyword in lucene |- ! method !!Default !! idf_train !! idf_train_norm!! idf_baidu !! idf_baidu_norm...”为内容创建页面</p> <p><b>新页面</b></p><div>* boost the query keyword using IDF<br /> {| border=&quot;2px&quot;<br /> |+ boost keyword in lucene<br /> |-<br /> ! method !!Default !! idf_train !! idf_train_norm!! idf_baidu !! idf_baidu_norm <br /> |-<br /> ! Accary<br /> | 0.66228 || 0.651629 ||0.57644|| 0.647869|| 0.65288 <br /> |-<br /> * TFIDF Formula<br /> :* coord(q,d)*query_boost*query_norm*sum(idf^2 * tf * term_boost * norm(t,d)) [http://lucene.apache.org/core/4_3_0/core/org/apache/lucene/search/similarities/TFIDFSimilarity.html]<br /> <br /> * add the new keyword value from proMe method</div>

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