Interesting. Does anyone know how that compares to this http://www.searchbox.com/products/searchbox-plugins/solr-sense/?
Diego Fernandez - 爱国 Software Engineer US GSS Supportability - Diagnostics ----- Original Message ----- > Hi! > > I am very excited to announce the availability of Apache Solr 4.10 with > RankingAlgorithm 1.5.4. > > Solr 4.10.0 with RankingAlgorithm 1.5.4 includes support for complex-lsa. > complex-lsa simulates human language acquisition and recognition (see demo > <http://solr-ra.tgels.org/rankingsearchlsa.jsp> ) and can retrieve > semantically related/hidden relationships between terms, sentences, > paragraphs, chapters, books, images, etc. Three new similarities, > TERM_SIMILARITY, DOCUMENT_SIMILARITY, TERM_DOCUMENT_SIMILARITY enable these > with improved precision. A query for “holy AND ghost” returns jesus/christ > as the top results for the bible corpus with no effort to introduce this > relationship (see demo <http://solr-ra.tgels.org/rankingsearchlsa.jsp> ). > > > > This version adds support for multiple linear algebra libraries. > complex-lsa does a large amount of this calcs so speeding this up should > speed up the retrieval etc. EJML is the fastest if you are using complex-lsa > for a smaller set of documents, while MTJ is faster as your document > collection becomes bigger. MTJ can also use BLAS/LAPACK, etc installed on > your system to further improve performance with native execution. The > performance is similar to a C/C++ application. It can also make use of GPUs > or Intel's mkl library if you have access to it. > > RankingAlgorithm 1.5.4 with complex-lsa supports the entire Lucene Query > Syntax , ± and/or boolean/dismax/glob/regular > expression/wildcard/fuzzy/prefix/suffix queries with boosting, etc. This > version increases performance, with increased accuracy and relevance for > Document similarity, fixes problems with phrase queries, Boolean queries, > etc. > > > You can get more information about complex-lsa and realtime-search > performance from here: > http://solr-ra.tgels.org/wiki/en/Complex-lsa-demo > > You can download Solr 4.10 with RankingAlgorithm 1.5.4 from here: > http://solr-ra.tgels.org > > Please download and give the new version a try. > > Regards, > > Nagendra Nagarajayya > http://solr-ra.tgels.org > http://elasticsearch-ra.tgels.org > http://rankingalgorithm.tgels.org > > Note: > 1. Apache Solr 4.10 with RankingAlgorithm 1.5.4 is an external project. > > > >