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Re: Explain the difference in similarity and similarityProvider - Solr - [mail # user]
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... entire app, and some methods in that API took a field name and some didn't. LUCENE-2236 changed that, by introducing the "SimilarityProvider" api, which is the new "there should be one...
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... of these for your app" class that handles "global" type things, and it can return "Similarity" objects on a per field basis as needed... http://search-lucene.com/jd/lucene/org/apache/lucene/search/SimilarityProvider...
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| ....html SOLR-2338 then added the ability to configure (in schema.xml) instances per fieldType, using a SolrSimilarityProvider that is managed by Solr's internal "IndexSchema". It also added a new... |
| ... top level decalration to allow users to define a SimilarityProviderFactory for specifying a complete SolrSimilarityProvider to handle the other non field specific methods. The reason SolrSimilarityProvider... |
| ... of Solr is also still supported for people who want to change the Similarity for all fields, but don't want to deal with writing a SimilarityProviderFactory. This is all really new stuff... |
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Author: Chris Hostetter,
2011-06-16, 00:14
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Explain the difference in similarity and similarityProvider - Solr - [mail # user]
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...I'm looking over the patch notes from https://issues.apache.org/jira/browse/SOLR-2338 and I do not understand the difference between param value and is the...
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Author: Brian Lamb,
2011-05-30, 18:28
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SchemaXml - Solr - [wiki]
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...
Similarity
Poly Field Types
Schema version attribute in the root node
TODO
Data Types
The <types> section allows you to define a list of <fieldtype> declarations you wish...
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......) there are multiple implementations provided depending on your needs, please see SolrPlugins for information on how to ensure that your own custom Field Types can be loaded into Solr.
Common options...
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| ... Time Get.
Common field options
Common options that fields can have are...
default
The default value for this field if none is provided while adding documents
indexed... |
| ... features of Lucene is that you don't have to pre-define every field when you first create your index. Even though Solr provides strong datatyping for fields, it still preserves that flexibility... |
| ... the "source" field to the "dest" field, before any configured analyzers for the originating or destination field are invoked.
This is provided as a convenient way to ensure that data is put... |
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http://wiki.apache.org/solr/SchemaXml
Author: AndyLester,
2013-05-14, 20:02
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MoreLikeThisHandler - Solr - [wiki]
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...The MoreLikeThisHandler is designed to generate information about "similar" documents using the MoreLikeThis functionality provided by Lucene. It supports faceting, paging, and filtering...
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... similar documents. It will extract the "interesting terms" from the posted text.
Examples
The following example URLs assume that the MoreLikeThisHandler is configured with the name "/mlt...
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| ...&mlt.fl=manu,cat&mlt.mindf=1&mlt.mintf=1&fq=inStock:true&mlt.interestingTerms=details
Using ContentStreams
If you post text in the body, that will be used for similarity. Alternatively, you can put... |
| ...Streaming is enabled, you can find documents similar to the text on a webpage:
http://localhost:8983/solr/mlt?stream.url=http://lucene.apache.org/solr/&mlt.fl=manu... |
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http://wiki.apache.org/solr/MoreLikeThisHandler
Author: ShawnHeisey,
2013-04-19, 19:35
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FAQ - Solr - [wiki]
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... the wildcard copyField syntax with or without similar dynamicField declarations. Thus you could choose to index the "description_t", "editorial_review_t" fields individually with a dynamicField like...
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..., this happens when using the default Jetty config provided by Solr, and having Jetty's work files in /tmp purged by the operating system.
Restarting Solr after creating a $(jetty.home)/work directory...
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| ... counts to my search results
Solr provides support for "facets" out-of-the-box. See SimpleFacetParameters.
How can I figure out why my documents are being ranked the way they are?
Solr... |
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http://wiki.apache.org/solr/FAQ
Author: ShawnHeisey,
2013-05-22, 18:30
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SchemaRESTAPI - Solr - [wiki]
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...
Schema REST API
Contents
Schema REST API
Reading schema information
Adding fields to a schema
Reading schema information
Solr 4.2
The Solr schema REST API provides...
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.../schema/uniquekey
Global Similarity ( Solr 4.3)
GET
http://localhost:8983/solr/schema/similarity...
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http://wiki.apache.org/solr/SchemaRESTAPI
Author: SteveRowe,
2013-04-25, 23:16
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SolrCloud - Solr - [wiki]
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... service. Every zookeeper server needs to know about every other zookeeper server in the ensemble, and a majority of servers are needed to provide service. For example, a zookeeper ensemble of 3...
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... servers allows any one to fail with the remaining 2 constituting a majority to continue providing service. 5 zookeeper servers are needed to allow for the failure of up to 2 servers at a time...
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| ... it will not create anything at all.
createNodeSet: If not provided the create operation will create shard-replica spread across all of your live Solr nodes. You can provide the "createNodeSet" parameter... |
| ...,localhost:8984_solr,localhost:8985_solr"
collection.configName: The name of the config (must be already stored in zookeeper) to use for this new collection. If not provided the create operation... |
| .... It also provides a few other commands that let you link collection sets to collections, make ZooKeeper paths or clear them, as well as download configs from ZooKeeper to the local filesystem... |
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http://wiki.apache.org/solr/SolrCloud
Author: HossMan,
2013-05-14, 16:33
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FunctionQuery - Solr - [wiki]
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... other documents are inserted or deleted, or if a MultiSearcher is used.
rord
The reverse ordering of what ord provides.
Example Syntax: rord(myIndexedField)
Example: rord...
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...(field,term) returns the inverse document frequency for the given term, using the Similarity for the field.
Example Syntax: idf(text,'solr')
tf
tf(field,term) returns the term frequency factor...
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[+ show more]
[- hide]
| ... for the given term, using the Similarity for the field.
Example Syntax: tf(text,'solr')
norm
norm(field) returns the "norm" stored in the index, the product of the index time boost... |
| ... and then length normalization factor, according to the [[http://lucene.apache.org/java/3_0_0/api/core/org/apache/lucene/search/Similarity.html|Similarity] for the field.
Example Syntax: norm... |
| ... is a field name
See Solr's SpatialSearch for easy to use geospatial search features.
sqedist - Squared Euclidean Distance
Solr3.1
Similar to the dist() function, the Sq. Euclidean distance... |
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http://wiki.apache.org/solr/FunctionQuery
Author: HossMan,
2013-05-08, 19:15
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SolrRelevancyFAQ - Solr - [wiki]
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... according to the rules of the Similarity class used, which means it may loose precision. (ie: in the DefaultSimilarity, the numeric norm value is encoded as a single byte using a 3-bit mantissa, so...
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http://wiki.apache.org/solr/SolrRelevancyFAQ
Author: HossMan,
2013-05-22, 19:36
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Solr3.1 - Solr - [wiki]
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....1 Release Highlights
* Numeric range facets (similar to date faceting).
* New spatial search, including spatial filtering, boosting and sorting capabilities.
* Example Velocity driven search UI...
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http://wiki.apache.org/solr/Solr3.1
Author: ShawnHeisey,
2013-05-16, 20:27
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