You should look into SecondString perhaps then, like Grant said.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Sangrish <[EMAIL PROTECTED]> > To: java-user@lucene.apache.org > Sent: Friday, June 20, 2008 1:45:52 PM > Subject: Re: Arbitrary String to String Similarity Score > > > > Yes, "MoreLikeThis" is more like what I want. > > But theres one problem. Even here one has to run the query against an > indexed set of documents. > > While I would like to create two Queries through "MoreLikeThis" and get a > score of how similar they are to each other. > > Siddharth > > > > > > > > Otis Gospodnetic wrote: > > > > Hi, > > > > Have a look at MoreLikeThis: > > > > [EMAIL PROTECTED] trunk]$ ff \*MoreLikeThis\*.java > > > ./contrib/queries/src/java/org/apache/lucene/search/similar/MoreLikeThisQuery.java > > ./contrib/queries/src/java/org/apache/lucene/search/similar/MoreLikeThis.java > > > > > > I think that or something a lot like it is what you are after. > > > > Otis > > -- > > Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch > > > > > > ----- Original Message ---- > >> From: Sangrish > >> To: java-user@lucene.apache.org > >> Sent: Friday, June 20, 2008 12:20:02 AM > >> Subject: Re: Arbitrary String to String Similarity Score > >> > >> > >> Given 2 text documents I want to quantitatively find, how similar they > >> are, > >> with respect to each other. Say, I want to find Cosine Similarity score > >> between any two given documents. I am trying to use Lucene for it (is it > >> good for this purpose?) > >> > >> This use case is different from querying against a set of documents > >> > >> I am not sure if Lucene provides a direct API to evaluate this score. > >> > >> Siddharth > >> > >> > >> > >> > >> > >> Grant Ingersoll-6 wrote: > >> > > >> > You might also have a look at the MemoryIndex. Question, though, is > >> > what are you hoping to gain from doing a Query against a single > >> > String? Are you doing a FuzzyQuery? You might look at the > >> > SecondString project on SourceForge for doing string comparisons. > >> > > >> > I guess I am a bit confused by your problem statement. Perhaps you > >> > can explain more what you are trying to do at a higher level, as it > >> > sounds like to me you have str1 and str2, so why do you need to inject > >> > an index into the middle of it? > >> > > >> > -Grant > >> > > >> > On Jun 19, 2008, at 8:33 PM, Sangrish wrote: > >> > > >> >> > >> >> I have a use case for comparing two given strings (attached to a > >> >> specific > >> >> field) > >> >> using Lucene and get the similarity scores. > >> >> > >> >> I tried but could not find any built-in way to do so. Hence > >> >> assuming that > >> >> Lucene only compares a Query against Indexed documents, I came up > >> >> with the > >> >> following approach: > >> >> (Let the 2 strings be, str1 and str2 ) > >> >> > >> >> 1) Create an IndexWriter using a RAMDirectory (I don't want to store > >> >> those > >> >> strings on the disk) > >> >> 2) Index str1 and store it > >> >> 3) Search str2 in the index. ( shall the indexWriter be closed > >> >> before you > >> >> search on the index? ) > >> >> 4) Get the similarity score & publish it > >> >> 5) Delete str1 from the index and make the index available for a new > >> >> comparison > >> >> > >> >> Any comments & suggestions on making the process optimal > >> >> > >> >> Siddharth > >> >> > >> >> -- > >> >> View this message in context: > >> >> > >> > http://www.nabble.com/Arbitrary-String-to-String-Similarity-Score-tp18020806p18020806.html > >> >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. > >> >> > >> >> > >> >> --------------------------------------------------------------------- > >> >> To unsubscribe, e-mail: [EMAIL PROTECTED] > >> >> For additional commands, e-mail: [EMAIL PROTECTED] > >> >> > >> > > >> > -------------------------- > >> > Grant Ingersoll > >> > http://www.lucidimagination.com > >> > > >> > Lucene Helpful Hints: > >> > http://wiki.apache.org/lucene-java/BasicsOfPerformance > >> > http://wiki.apache.org/lucene-java/LuceneFAQ > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > --------------------------------------------------------------------- > >> > To unsubscribe, e-mail: [EMAIL PROTECTED] > >> > For additional commands, e-mail: [EMAIL PROTECTED] > >> > > >> > > >> > > >> > >> -- > >> View this message in context: > >> > http://www.nabble.com/Arbitrary-String-to-String-Similarity-Score-tp18020806p18022691.html > >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [EMAIL PROTECTED] > >> For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > -- > View this message in context: > http://www.nabble.com/Arbitrary-String-to-String-Similarity-Score-tp18020806p18034468.html > Sent from the Lucene - Java Users mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
