Hi, I got a question of doing the related search. For instance, if I want to say "Support Vector Machine" == "SVM". Then, How can i use this information when retrieve documents. I dont think it can be added in the Synonym Filter.
On 2/1/06, Dave Kor <[EMAIL PROTECTED]> wrote: > > On 1/30/06, Leon Chaddock <[EMAIL PROTECTED]> wrote: > > Hi, > > Does anyone know if it is possible to show related searches with lucene, > for example if > > someone searched for "car insurance" you could bring back the results > and related > > searches like these > > One possible way is to use the vector space model on the set of > relevant documents returned by each query. > > For example, > Relevant documents for the query "car insurance" are docids 1, 2, 4, 9, > 10. > Relevant documents for the query "automobile insurance" are docids 2, > 4, 8, 9, 10. > Relevant documents for the query "life insurance" are docids 3, 5, 7, 9. > > Here, "automobile insurance" will be scored as more similar to "car > insurance" than "life insurance" because there is a larger set of > overlapping docids. > > Lucene can be adapted for this purpose by creating a second index that > stores all unique queries and their set of relevant docids as Lucene > Documents. Instead of indexing text terms, we index docids. Finding > queries similiar to the original query, Q, is a simple matter of > querying this second index with the set of docids relevent to query Q. > > Hope this helps. > > > -- > Dave Kor, Research Assistant > Center for Information Mining and Extraction > School of Computing > National University of Singapore. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Regards Jiang Xing
