| clear query|facets|time |
Search criteria: relevancy computation.
Results from 151 to 160 from
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org.apache.lucene.search.grouping.dv (Lucene 4.1.0 API) - Lucene - [web site]
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... AbstractAllGroupHeadsCollector.GroupHead<?>>
A base implementation of AbstractAllGroupHeadsCollector for retrieving
the most relevant groups when grouping on a indexed doc values field...
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...FacetCollector
An implementation of AbstractGroupFacetCollector that computes grouped facets based on docvalues.
DVSecondPassGroupingCollector<GROUP_VALUE>
IDV based implementation of Abstract...
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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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GroupingSearch (Lucene 4.1.0 API) - Lucene - [web site]
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...AllGroupHeads(boolean allGroupHeads)
Whether to compute all group heads (most relevant document per group) matching the query.
GroupingSearch setAllGroups(boolean allGroups)
Whether to also compute all groups matching the query...
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... (most relevant document per group) matching the query.
This feature isn't enabled when grouping by doc block.
Parameters:
allGroupHeads - Whether to compute all group heads (most relevant...
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[- hide]
| ...IncludeMaxScore(boolean includeMaxScore)
Whether to include the score of the most relevant document per group.
GroupingSearch setIncludeScores(boolean includeScores)
Whether to include the scores per doc inside a group.
Grouping... |
| ... groups are sorted.
Defaults to Sort.RELEVANCE.
Parameters:
groupSort - The sort for the groups.
Returns:
this
setSortWithinGroup
public Grouping... |
| ...Search setSortWithinGroup(Sort sortWithinGroup)
Specified how documents inside a group are sorted.
Defaults to Sort.RELEVANCE.
Parameters:
sortWithinGroup - The sort for documents inside a group
Returns:
this
set... |
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http://lucene.apache.org/java/4_1_0/grouping/org/apache/.../GroupingSearch.html
2013-01-22, 06:26
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Uses of Class org.apache.lucene.queries.function.ValueSource (Lucene 4.2.1 API) - Lucene - [web site]
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....apache.lucene.queries.function Queries that compute score based upon a function
org.apache.lucene.queries.function.docvalues FunctionValues for different data types.
org.apache.lucene.queries.function.valuesource A variety...
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....
class QueryValueSource
QueryValueSource returns the relevance score of the query
class RangeMapFloatFunction
LinearFloatFunction implements a linear function over...
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http://lucene.apache.org/java/4_2_1/queries/org/apache/luce.../ValueSource.html
2013-04-04, 00:43
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Uses of Class org.apache.lucene.index.AtomicReaderContext (Lucene 4.2.1 API) - Lucene - [web site]
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... doc)
An explanation of the score computation for the named document.
Explanation DisjunctionMaxQuery.DisjunctionMaxWeight.explain(AtomicReaderContext context,
int...
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... doc)
Explain the score we computed for doc
Explanation BooleanQuery.BooleanWeight.explain(AtomicReaderContext context,
int doc)
abstract Scorer Filtered...
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[- hide]
| ....LongComparator.setNextReader(AtomicReaderContext context)
FieldComparator<Float> FieldComparator.RelevanceComparator.setNextReader(AtomicReaderContext context)
FieldComparator<Integer> FieldComparator... |
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http://lucene.apache.org/java/4_2_1/core/org/apache.../AtomicReaderContext.html
2013-04-04, 00:43
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MoreLikeThis (Lucene 4.2.1 API) - Lucene - [web site]
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...Reader.docFreq().
Term frequencies can be computed by re-tokenizing the text, which, for a single document,
is usually fast enough. But looking up the docFreq() of every term in the document is
probably too...
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... to eek out that last percent
of precision and recall regardless of computational difficulty so that you can win a TREC
competition, then the techniques I mention above are useless. But if you...
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[- hide]
| ... this many docs will be ignored.
Parameters:
maxFreq - the maximum count of documents that a term may appear
in to be still considered relevant
setMaxDocFreqPct
public void set... |
| ... percentage of documents (0-100) 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... |
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http://lucene.apache.org/java/4_2_1/queries/org/apache/luc.../MoreLikeThis.html
2013-04-04, 00:43
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Index (Lucene 4.2.0 API) - Lucene - [web site]
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....apache.lucene.search.grouping.AbstractGroupFacetCollector
setAllGroupHeads(boolean) - Method in class org.apache.lucene.search.grouping.GroupingSearch
Whether to compute all group heads (most relevant document per group) matching the query.
set...
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....apache.lucene.search.grouping
This collector specializes in collecting the most relevant document (group head) for each group that match the query.
AbstractAllGroupHeadsCollector(int) - Constructor for class org...
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| ....apache.lucene.search.grouping.AbstractFirstPassGroupingCollector
Create the first pass collector.
AbstractGroupFacetCollector - Class in org.apache.lucene.search.grouping
Base class for computing grouped facets.
Abstract... |
| ... relevant document.
compare(int, int) - Method in class org.apache.lucene.search.grouping.function.FunctionAllGroupHeadsCollector.GroupHead
compIDXEnd - Variable in class org... |
| ...AllGroupHeadsCollector - Class in org.apache.lucene.search.grouping.function
An implementation of AbstractAllGroupHeadsCollector for retrieving the most relevant groups when grouping
by ValueSource.
Function... |
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http://lucene.apache.org/core/4_2_0/grouping/index-all.html
2013-03-11, 05:47
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Field (Lucene 4.2.1 API) - Lucene - [web site]
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...()
Returns 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...
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... yourself.
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...
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http://lucene.apache.org/java/4_2_1/core/org/apache/lucene/docume.../Field.html
2013-04-04, 00:43
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IndexableField (Lucene 4.1.0 API) - Lucene - [web site]
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...", then you must pre-multiply it across all the
relevant fields yourself.
The boost is used to compute the norm factor for the field. By
default, in the Similarity.compute...
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...FieldType.indexed() is false) or omits normalization values
(IndexableFieldType.omitNorms() returns true).
See Also:
Similarity.computeNorm(FieldInvertState, Norm),
TFIDFSimilarity...
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http://lucene.apache.org/java/4_1_0/core/org/apache/luce.../IndexableField.html
2013-01-22, 06:26
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Lucene Change Log - Lucene - [web site]
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...Accumualtor 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 FacetResult instead of skipping it...
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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... |
| ... it returned 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... |
| ... 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_1/changes/Changes.html
2013-04-04, 00:43
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Statistical Facet | Reference Guide | 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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