Calculating Precision and Recall

2007-12-29 Thread Liaqat Ali
Hello All, I want to calculate the Precision and Recall of the current system, based on Lucene. What should be the procedure and either there are some tools available for this purpose. Kindly guide me. Regards, Liaqat - To

Re: Calculating Precision and Recall

2007-12-29 Thread Grant Ingersoll
http://trec.nist.gov/trec_eval/trec_eval.8.0.tar.gz is a program that takes in the a results file and a set of judgments and spits out precision and recall. If you want more info, have a look at the TREC program. Also, the Lucene contrib/benchmark section has some tools for doing Quality

Prioiritze new documents

2007-12-29 Thread Dominik Bruhn
Hy, I got a large index and when searching for a term I want the newer documents be at the begining of the result set. I dont need a real order by time but lucene should prioritze the newer documents. I got the time of the document creation as a index-field but it takes very long if I would force l

Simple Filter-Question

2007-12-29 Thread Dominik Bruhn
Hy, I got a Integerfield for each of my documents which tells me out of which area of my documentbase this document is. So 1 is "Research Theme 1", 2 is "Research Theme 2", 3 is "Documentation Projekt 21" and so on. Uppon searching I want to have only documents from areas the user is allowed to lo

Re: Calculating Precision and Recall

2007-12-29 Thread Liaqat Ali
Grant Ingersoll wrote: http://trec.nist.gov/trec_eval/trec_eval.8.0.tar.gz is a program that takes in the a results file and a set of judgments and spits out precision and recall. If you want more info, have a look at the TREC program. Also, the Lucene contrib/benchmark section has some tools