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Search criteria: "relevancy computation".
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No results found for "relevancy computation".
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Search results for relevancy computation :
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org.apache.lucene.search.grouping (Lucene 4.2.0 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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[+ show more]
[- hide]
| ... 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_2_0/grouping/org/apache.../package-summary.html
2013-03-11, 05:47
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Facet Userguide - Lucene - [web site]
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... a list of relevant price ranges; for the author facet, we get a list of
relevant authors; and so on. In most UIs, when users click one of these subcategories,
the search is narrowed, or drilled...
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... in itself,
even when the user never drills down. This list allows the user to see at one glance
some statistics on the search results, e.g., what price ranges and which authors are
most relevant...
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[- hide]
| ... computing the label is a time consuming task, and hence applications can
specify with a facet request to return top 1000 facets but to compute the label only for
the top 10 facets. In order... |
| ... to compute labels for more of the facet results it is not
required to perform accumulation again.
See FacetRequest.getNumResults(), FacetRequest.getNumLabel() and
Facet... |
| ... cases, once top facets are found over the sample set, exact
accumulations are computed for those facets only, this time over the entire matching
document set.
Two kinds of sampling exist... |
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http://lucene.apache.org/java/4_2_1/facet/org/apache/lucene/f.../userguide.html
2013-04-04, 00:43
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org.apache.lucene.search (Lucene 4.2.1 API) - Lucene - [web site]
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... result filtering, collation, etc.
ComplexExplanation Expert: Describes the score computation for document and query, and
can distinguish a match independent of a positive value.
Constant...
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....
Explanation Expert: Describes the score computation for document and query.
FieldCache.Bytes Field values as 8-bit signed bytes
FieldCache.CacheEntry EXPERT: A unique Identifier/Description for each...
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[- hide]
| ... by ascending value
FieldComparator.NumericComparator<T extends Number> Base FieldComparator class for numeric types
FieldComparator.RelevanceComparator Sorts by descending relevance.
Field... |
| ... in a BooleanQuery, but the scores
are only computed as the boost.
MultiTermQuery.TopTermsScoringBooleanQueryRewrite A rewrite method that first translates each term into
Boolean... |
| ...Clause.Occur.SHOULD clause in a BooleanQuery, and keeps the
scores as computed by the query.
MultiTermQueryWrapperFilter<Q extends MultiTermQuery> A wrapper for MultiTermQuery, that exposes its... |
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http://lucene.apache.org/java/4_2_1/core/org/apache/luc.../package-summary.html
2013-04-04, 00:43
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Uses of Class org.apache.lucene.search.grouping.GroupingSearch (Lucene 4.1.0 API) - Lucene - [web site]
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...Search GroupingSearch.disableCaching()
Disables any enabled cache.
GroupingSearch GroupingSearch.setAllGroupHeads(boolean allGroupHeads)
Whether to compute all group heads (most relevant document per...
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... group) matching the query.
GroupingSearch GroupingSearch.setAllGroups(boolean allGroups)
Whether to also compute all groups matching the query.
GroupingSearch Grouping...
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[- hide]
| ...Search.setIncludeMaxScore(boolean includeMaxScore)
Whether to include the score of the most relevant document per group.
GroupingSearch GroupingSearch.setIncludeScores(boolean includeScores)
Whether to include the scores per doc inside a group... |
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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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Uses of Package org.apache.lucene.search.grouping.dv (Lucene 4.1.0 API) - Lucene - [web site]
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... implementation of AbstractAllGroupHeadsCollector for retrieving
the most relevant groups when grouping on a indexed doc values field.
DVAllGroupsCollector
Implementation of Abstract...
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... of AbstractFirstPassGroupingCollector.
DVGroupFacetCollector
An implementation of AbstractGroupFacetCollector that computes grouped facets based on docvalues.
DVSecondPassGroupingCollector
IDV...
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http://lucene.apache.org/java/4_1_0/grouping/org/apache/luc.../package-use.html
2013-01-22, 06:26
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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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org.apache.lucene.search.grouping.term (Lucene 4.1.0 API) - Lucene - [web site]
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TermAllGroupHeadsCollector<GH extends AbstractAllGroupHeadsCollector.GroupHead<?>>
A base implementation of AbstractAllGroupHeadsCollector for retrieving the most relevant groups...
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... groups.
TermGroupFacetCollector
An implementation of AbstractGroupFacetCollector that computes grouped facets based on the indexed terms
from the FieldCache.
Term...
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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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