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Search criteria: "relevence computation".
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No results found for "relevence computation".
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Search results for relevence computation :
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BlockGroupingCollector (Lucene 4.1.0 API) - Lucene - [web site]
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...Sort, determines how that group
sorts against other groups. This must be non-null,
ie, if you want to groupSort by relevance use
Sort.RELEVANCE.
topNGroups - How many top groups to keep...
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....
needsScores - true if the collected documents
require scores, either because relevance is included
in the withinGroupSort or because you plan to pass true
for either get...
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[+ show more]
[- hide]
| ... collected is NOTE: This collector is unable to compute
the groupValue per group so it will always be null.
This is normally not a problem, as you can obtain the
value just like you obtain... |
| ... is
allowed, to sort by relevance.
groupOffset - Which group to start from
withinGroupOffset - Which document to start from
within each group
maxDocsPerGroup - How many top documents to keep... |
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http://lucene.apache.org/java/4_1_0/grouping/org.../BlockGroupingCollector.html
2013-01-22, 06:26
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MoreLikeThis (Lucene 4.2.0 API) - Lucene - [web site]
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...:
Lucene does let you access the document frequency of terms, with IndexReader.docFreq().
Term frequencies can be computed by re-tokenizing the text, which, for a single document,
is usually fast...
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... a document.
It all depends on what you're trying to do. If you're trying to eek out that last percent
of precision and recall regardless of computational difficulty so that you can win a TREC...
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[- hide]
| ...:
maxFreq - the maximum count of documents that a term may appear
in to be still considered relevant
setMaxDocFreqPct
public void setMaxDocFreqPct(int maxPercentage)
Set the maximum... |
| ...-100) that a term may appear
in to be still considered relevant
isBoost
public boolean isBoost()
Returns whether to boost terms in query based on "score" or not. The default is
DEFAULT... |
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http://lucene.apache.org/java/4_2_0/queries/org/apache/luc.../MoreLikeThis.html
2013-03-11, 05:47
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org.apache.lucene.search.grouping (Lucene 4.1.0 API) - Lucene - [web site]
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...AllGroupHeadsCollector that can be used to retrieve all most relevant
documents per group. Also known as group heads. This can be useful in situations when one wants to compute group
based facets / statistics...
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... to compute the most relevant documents per group it is better to just use the collector as done here below.
AbstractAllGroupHeadsCollector c = TermAllGroupHeadsCollector.create(groupField, sort...
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| ... in collecting the most relevant document (group head) for each group that match the query.
AbstractAllGroupHeadsCollector.GroupHead<GROUP_VALUE_TYPE>
Represents a group head.
Abstract... |
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to collect grouped hits.
AbstractGroupFacetCollector
Base class for computing grouped facets.
AbstractGroupFacetCollector.FacetEntry
Represents a facet entry with a value and a count... |
| ..., if you specify "price" (ascending) then the first group
is the one with the lowest price book within it. Or if you
specify relevance group sort, then the first group is the one... |
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http://lucene.apache.org/java/4_1_0/grouping/org/apache.../package-summary.html
2013-01-22, 06:26
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OrdinalPolicy (Lucene 4.1.0 API) - Lucene - [web site]
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...Accumulator that computes the weight of the parent categories
on-the-fly.
ALL_PARENTS
static final OrdinalPolicy ALL_PARENTS
An OrdinalPolicy which stores all parent ordinals, except
Taxonomy...
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... dependent
Parameters:
taxonomyWriter - A relevant taxonomyWriter object, with which ordinals sent to
shouldAdd(int) are examined.
Overview
Package
Class
Use...
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http://lucene.apache.org/java/4_1_0/facet/org/apache/luce.../OrdinalPolicy.html
2013-01-22, 06:26
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Retrieving granular scores back from Lucene/SOLR - Lucene - [mail # user]
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... the relevance score) computed? Thanks, Vishwas ...
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...Hi, I am looking to get a bit more information back from SOLR/Lucene about the query/document pair scores. This would include field level scores, overall text relevance score, Boost value...
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Author: Vishwas Goel,
2012-12-26, 04:30
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Index (Lucene 4.2.0 API) - Lucene - [web site]
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... chosen terms in a text, extracting the most relevant section.
getBestFragment(TokenStream, String) - Method in class org.apache.lucene.search.highlight.Highlighter
Highlights chosen terms...
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... in a text, extracting the most relevant section.
getBestFragment(FieldQuery, IndexReader, int, String, int) - Method in class org...
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[- hide]
| ... the most relevant sections.
getBestFragments(TokenStream, String, int) - Method in class org.apache.lucene.search.highlight.Highlighter
Highlights chosen terms in a text, extracting the most... |
| ... relevant sections.
getBestFragments(TokenStream, String, int, String) - Method in class org.apache.lucene.search.highlight.Highlighter
Highlights terms in the text , extracting the most... |
| ... relevant sections
and concatenating the chosen fragments with a separator (typically "...").
getBestFragments(FieldQuery, IndexReader, int, String, int, int) - Method in class org... |
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http://lucene.apache.org/core/4_2_0/highlighter/index-all.html
2013-03-11, 05:47
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Field (Lucene 4.2.0 API) - Lucene - [web site]
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... the field's index-time boost.
Only fields can have an index-time boost, if you want to simulate
a "document boost", then you must pre-multiply it across all the
relevant fields yourself...
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....
The boost is used to compute the norm factor for the field. By
default, in the Similarity.computeNorm(FieldInvertState) method,
the boost value is multiplied by the length normalization factor...
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http://lucene.apache.org/java/4_2_0/core/org/apache/lucene/docume.../Field.html
2013-03-11, 05:47
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Lucene Change Log - Lucene - [web site]
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... FacetsAccumualtor and return the relevant aggregator,
for aggregating the association values.
(Shai Erera)
LUCENE-4748: A FacetRequest on a non-existent field now returns an
empty Facet...
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...AppendingLongBuffer: an append-only buffer for
monotonically increasing values.
(Adrien Grand)
LUCENE-4748: Added DrillSideways utility class for computing both
drill-down and drill-sideways counts for a Drill...
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[- hide]
| ....
(Robert Muir)
LUCENE-4796, SOLR-4373: Fix concurrency issue in NamedSPILoader and
AnalysisSPILoader when doing reload (e.g. from Solr).
(Uwe Schindler, Hossman)
LUCENE-4802: Don't compute norms... |
| ... a (meaningless)
floating point value. Scorer now extends DocsEnum so it has attributes().
(Robert Muir)
LUCENE-4543: TFIDFSimilarity's index-time computeNorm is now final to
match the fact that its... |
| ... is now immutable. If you need to override
a setting, you should extend the relevant class.
Additionally, FacetSearchParams is now immutable, and requires all FacetRequests
to specified... |
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http://lucene.apache.org/core/4_2_0/changes/Changes.html
2013-03-11, 05:47
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Index (Lucene 4.2.0 API) - Lucene - [web site]
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....apache.lucene.facet.taxonomy.CategoryPath
The components of this CategoryPath.
compute() - Method in class org.apache.lucene.facet.partitions.PartitionsFacetResultsHandler
compute() - Method in class org...
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....apache.lucene.facet.search.DepthOneFacetResultsHandler
compute() - Method in class org.apache.lucene.facet.search.FacetResultsHandler
Computes the FacetResult for the given FacetArrays.
contains(int) - Method in class org...
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| ...ListParams.DEFAULT_ORDINAL_POLICY.
DEFAULT_CACHE_SIZE - Static variable in class org.apache.lucene.facet.complements.TotalFacetCountsCache
Default size of in memory cache for computed total facet counts.
DEFAULT... |
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http://lucene.apache.org/core/4_2_0/facet/index-all.html
2013-03-11, 05:47
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Elasticsearch Statistical Facet » Elasticsearch - ElasticSearch - [web site]
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...
Statistical Facet
Statistical facet allows to compute statistical data on a numeric fields. The statistical data include count, total, sum of squares, mean (average), minimum...
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..." : {
"field" : "num1"
}
}
}
}
Script field
When using field, the numeric value of the field is used to compute the statistical information. Sometimes, several fields...
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[- hide]
| ... values represent the statistics we want to compute, or some sort of mathematical evaluation. The script field allows to define a script to evaluate, with its value used to compute the statistical... |
| ..." : {
"statistical" : {
"fields" : ["num1", "num2"]
}
}
}
}
Memory Considerations
In order to implement the statistical facet, the relevant field values... |
| ... the memory footprint is to explicitly set the types for the relevant fields to either short, integer, or float when possible.
Guide
API
Search
Facets... |
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http://www.elasticsearch.org/guide/reference/api/sear.../statistical-facet.html
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