Custom score question

hello, I have the following question: is it possible to combine the result of a custom score, with the normal relevance ranking score ? We'd like to have a scoring where documents that have a title field that's the same as the title of many other documents, are ranked lower. But without losing

Re: Custom score question

The score from the main query is passed to the customScore() methods of CustomScoreProvider so you can tweak that as you will. Or, easier, use document boosting to set a low boost for common titles. How are you going to determine if a title is common or not? Lucene by default will tend to

Re: Wildcard in a text field

That description is too vague. Could you provide a couple of examples of index text and queries and what you expect those queries to match. If you simply want to query for * and ? in string fields, escape them with a backslash. But if you want to escape them in text fields, be sure to use an

Re: Re: Wildcard in a text field

For instance, I have a list of tags related to a text. Each text with its list of tags are put in a document and indexed by Lucene. If we consider that a tag is buddh* and I would like to make a query (e.g. buddha or buddhism or buddhist) and find the document that contain buddh*. Thanks,

Re: Wildcard in a text field

Ah, okay... some people call that prospective search. In any case, there is no direct Lucene support that I know of. There are some references here: http://lucene.apache.org/core/4_0_0/memory/org/apache/lucene/index/memory/MemoryIndex.html -- Jack Krupansky -Original Message- From:

Re: Wildcard in a text field

Hi Nicolas, For trailing '*' only: On the query side, you can use a front-side EdgeNGramTokenFilter with a large max gram size, followed by a PatternReplaceFilter with pattern (.*) and replacement $1*. Steve On Feb 8, 2013, at 10:14 AM, Nicolas Roduit nicolas.rod...@jmicrovision.com wrote:

Solr query parser, needs to call setAutoGeneratePhraseQueries(true)

Hi, In our application we need to call method setAutoGeneratePhraseQueries(true) on lucene QueryParser, this is the way used to work in earlier versions and it seems to me that is the much natural way? But in current solr 3.6.1, the only way to do so is to set

RE: Solr query parser, needs to call setAutoGeneratePhraseQueries(true)

I am very sorry, I should have sent to solr user group, not lucene!! Best regards, Lisheng -Original Message- From: Zhang, Lisheng Sent: Friday, February 08, 2013 12:17 PM To: 'java-user@lucene.apache.org' Subject: Solr query parser, needs to call setAutoGeneratePhraseQueries(true)