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Re: Similarity - Solr - [mail # user]
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...On Thu, Jun 24, 2010 at 4:20 PM, Blargy wrote: You can use a custom similarity, but the current downside is that it will be applied to all fields and all queries. There could possibly...
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Author: Yonik Seeley,
2010-06-24, 20:30
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Re: Similarity - Solr - [mail # user]
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...On Thu, Jun 24, 2010 at 3:17 PM, Blargy wrote: Depends on the larger context of what you are trying to do. Do you still want the idf and length norm relevancy factors? If n...
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Author: Yonik Seeley,
2010-06-24, 19:40
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per-field similarity - Lucene - [mail # dev]
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...Something to consider for Lucene 3 is to have something to retrieve Similarity per-field rather than passing the field name into some functions... benefits: - Would allow customizing most...
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... Similarity functions per-field - Performance: Similarity for a field could be looked up once at the beginning of a query and reused, eliminating hash lookups for every Similarity function called...
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| ... that needs to be different depending on the field name. Might also consider passing in more optional context when retrieving the similarity for a field (such as a Query, if searching). Something... |
| ... like Similarity.getSimilarity(String field, Query q). Multi-field queries (boolean query) could pass null for the field. Perhaps it could even be back compatible... -Yonik ... |
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Author: Yonik Seeley,
2008-06-24, 20:28
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Re: Custom Similarity - Solr - [mail # user]
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...On Dec 28, 2007 4:05 PM, Grant Ingersoll wrote: One option for a custom similarity is to have it implement the NamedListInitializedPlugin interface. Solr would have to be modified...
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... to check for that interface for similarity. But it's probably more practical to just create a subclass of your Similarity that hard-codes the values, and then refer to that in the schema...
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| ....xml (since there is only going to be one Similarity in the system). -Yonik ... |
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Author: Yonik Seeley,
2007-12-28, 21:17
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Re: How to use Similarity - Solr - [mail # user]
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...On 4/19/07, James liu wrote: If no similarity is specified, Lucene's DefaultSimilarity is used. The Similarity you uncommented in the example schema.xml specifies Lucene's DefaultSimilarity...
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Author: Yonik Seeley,
2007-04-21, 01:18
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Re: per-field similarity - Lucene - [mail # dev]
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...On Wed, Jun 25, 2008 at 2:19 PM, Chris Hostetter wrote: No, I meant Similarity (it's more like a factory method on the Similarity class). The Searcher.getSimilarity() could remain...
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... unchanged. A Similarity is what is passed into the IndexWriter, and you would want the same per-field flexibility there. Right. -Yonik ...
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Author: Yonik Seeley,
2008-06-25, 18:31
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Re: per-field similarity - Lucene - [mail # dev]
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...On Wed, Jun 25, 2008 at 5:06 PM, Chris Hostetter wrote: That would require a user to subclass both IndexWriter and Searcher. Since Similarity is already passed around, adding a factory...
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... to pass around a SimilarityFactory, but that ship has sailed IMO (along with many others :-) -Yonik ...
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Author: Yonik Seeley,
2008-06-25, 21:20
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Re: TooManyClauses: maxClauseCount is set to 1024 - Solr - [mail # user]
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...Can you provide a full stack trace of the exception? There's a maxClauseCount in solrconfig.xml that you can increase to work around the issue. -Yonik http://lucidworks.com On Thu, Apr...
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Author: Yonik Seeley,
2013-04-18, 11:38
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Re: Error loading custom similarity class - Solr - [mail # user]
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...On 4/9/07, mark angelillo wrote: [...] This may be the problem. The path in the jar file needs to reflect the package. So the CustomSimilarity.class file needs to be in the org...
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Author: Yonik Seeley,
2007-04-09, 18:08
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Re: Moving SweetSpotSimilarity out of contrib - Lucene - [mail # dev]
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...On Wed, Sep 3, 2008 at 4:55 PM, Michael McCandless wrote: One thing we are looking at for Solr2 is making it more useful for advanced embedded users. I expect a non-webapp versio...
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Author: Yonik Seeley,
2008-09-03, 21:01
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