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[TIKA-2941] OSGI bundle and app are not self-contained - Tika - [issue]
...Tika bundle still have dependencies spilled out of its package and cause jar hell everywhere. If tika bundle is declared in maven as a dependency, a maven dependency:tree will indicate:[...    Author: Peng Cheng , 2019-09-11, 14:33
[LUCENE-5398] NormValueSource unable to read long field norm - Lucene - [issue]
...Previous Lucene implementation store field norms of all documents in memory, float values are therefore encoded into byte to minimize memory consumption.Recent release no longer have this co...    Author: Peng Cheng , 2016-05-09, 18:38
[LUCENE-5417] Solr function query supports reading multiple values from a field. - Lucene - [issue]
...Solr function query is a powerful tool to customize search criterion and ranking function ( However, it cannot effectively benefit from field value...    Author: Peng Cheng , 2016-05-09, 18:33
[LUCENE-5409] ToParentBlockJoinCollector.getTopGroups returns empty Groups - Lucene - [issue]
...A bug is observed to cause unstable results returned by the getTopGroups function of class ToParentBlockJoinCollector.In the scorer generation stage, the ToParentBlockJoinCollector will auto...    Author: Peng Cheng , 2016-05-09, 18:31
Getting ready for Lucene/Solr 4.7 - Lucene - [mail # dev]
...+1On 14 February 2014 15:31, Mark Miller  wrote:> What!? Those bug fix point releases are great :) There are sure to be bugs> in a new 4.X release (New Features) and a bug fix rel...
   Author: Peng Cheng , 2014-02-14, 20:49
Best practice for feature engineering of learning-to-rank based search engine? (using Lucene-Solr) - Lucene - [mail # dev]
...Hi Honoured Contributors,May I ask for your suggestion on learning-to-rank based search in Solr?Personally I believe that the accuracy of learning-to-rank and performanceof solr can be a let...
   Author: Peng Cheng , 2014-02-07, 22:00
(Lucene-core) Is Query's rewrite method mandated to preserver original Query's hashcode? - Lucene - [mail # dev]
...opened as Tue, Jan 14, 2014 at 5:42 PM, Uwe Schindler  wrote:> Yes, open an issue!>>>> Uwe>>>> ----->&g...
   Author: Peng Cheng , 2014-01-22, 16:22