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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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Uses of Class org.apache.lucene.search.grouping.GroupingSearch (Lucene 4.2.0 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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| ...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_2_0/grouping/org/apache/.../GroupingSearch.html
2013-03-11, 05:47
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Index (Lucene 4.3.0 API) - Lucene - [web site]
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....apache.lucene.benchmark.byTask.feeds.ContentItemsSource
update count of items generated by this source
addResult(int, boolean, long) - Method in class org.apache.lucene.benchmark.quality.QualityStats
Add a (possibly relevant) doc.
add...
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...NumGoodPoints() - Method in class org.apache.lucene.benchmark.quality.QualityStats
Returns the number of good points (only relevant points).
getNumParallelTasks() - Method in class org...
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[- hide]
| ....apache.lucene.benchmark.byTask.stats.TaskStats
getNumPoints() - Method in class org.apache.lucene.benchmark.quality.QualityStats
Returns the number of points (both relevant and irrelevant points).
getNumRuns() - Method in class org... |
| ... in class org.apache.lucene.benchmark.quality.QualityStats
Return the precision at rank n:
|{relevant hits within first n hits}| / n.
getProps() - Method in class org... |
| ...Rank() - Method in class org.apache.lucene.benchmark.quality.QualityStats.RecallPoint
Returns the rank: where on the list of returned docs this relevant doc appeared.
getRate() - Method in class org... |
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http://lucene.apache.org/core/4_3_0/benchmark/index-all.html
2013-05-06, 08:52
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BlockGroupingCollector (Lucene 4.2.1 API) - Lucene - [web site]
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... groups. This must be non-null,
ie, if you want to groupSort by relevance use
Sort.RELEVANCE.
topNGroups - How many top groups to keep.
needsScores - true if the collected documents...
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...
require scores, either because relevance is included
in the withinGroupSort or because you plan to pass true
for either getSscores or getMaxScores to get...
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| ... maxDocsPerGroup,
boolean fillSortFields)
throws IOException
Returns the grouped results. Returns null if the
number of groups collected is NOTE: This collector is unable to compute... |
| ... fields, via
FieldCache, etc.)
Parameters:
withinGroupSort - The Sort used to sort
documents within each group. Passing null is
allowed, to sort by relevance.
groupOffset - Which... |
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http://lucene.apache.org/java/4_2_1/grouping/org.../BlockGroupingCollector.html
2013-04-04, 00:43
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Uses of Package org.apache.lucene.search.grouping (Lucene 4.2.1 API) - Lucene - [web site]
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... relevant document (group head) for each group that match the query.
AbstractAllGroupHeadsCollector.GroupHead
Represents a group head.
AbstractAllGroupsCollector
A...
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... in collecting the most relevant document (group head) for each group that match the query.
AbstractAllGroupHeadsCollector.GroupHead
Represents a group head.
Abstract...
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| ... class for computing grouped facets.
AbstractSecondPassGroupingCollector
SecondPassGroupingCollector is the second of two passes
necessary to collect grouped docs.
Abstract... |
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http://lucene.apache.org/java/4_2_1/grouping/org/apache/luc.../package-use.html
2013-04-04, 00:43
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Uses of Class org.apache.lucene.queries.function.ValueSource (Lucene 4.3.0 API) - Lucene - [web site]
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org.apache.lucene.queries.function
Queries that compute score based upon a function
org.apache.lucene.queries.function.docvalues
FunctionValues for different data types.
org...
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...ValueSource returns the relevance score of the query
class RangeMapFloatFunction
LinearFloatFunction implements a linear function over
another ValueSource.
class ReciprocalFloatFunction
Reciprocal...
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http://lucene.apache.org/java/4_3_0/queries/org/apache/luce.../ValueSource.html
2013-05-06, 08:52
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Uses of Class org.apache.lucene.index.AtomicReaderContext (Lucene 4.3.0 API) - Lucene - [web site]
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... DisjunctionMaxQuery.DisjunctionMaxWeight.explain(AtomicReaderContext context,
int doc)
Explain the score we computed for doc
Explanation Boolean...
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...Query.BooleanWeight.explain(AtomicReaderContext context,
int doc)
abstract Explanation Weight.explain(AtomicReaderContext context,
int doc)
An explanation of the score computation for the named document.
abstract Scorer Filtered...
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| ....LongComparator.setNextReader(AtomicReaderContext context)
FieldComparator<Float> FieldComparator.RelevanceComparator.setNextReader(AtomicReaderContext context)
FieldComparator<Integer> FieldComparator... |
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http://lucene.apache.org/java/4_3_0/core/org/apache.../AtomicReaderContext.html
2013-05-06, 08:52
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org.apache.lucene.search.grouping (Lucene 4.2.1 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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| ...AllGroupHeadsCollector.GroupHead> This collector specializes in collecting the most relevant document (group head) for each group that match the query.
AbstractAllGroupHeadsCollector.GroupHead<GROUP_VALUE_TYPE> Represents a group... |
| ...PassGroupingCollector is the first of two passes necessary
to collect grouped hits.
AbstractGroupFacetCollector Base class for computing grouped facets.
AbstractGroupFacetCollector.FacetEntry Represents a facet entry... |
| ..." (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
containing the highest... |
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http://lucene.apache.org/java/4_2_1/grouping/org/apache.../package-summary.html
2013-04-04, 00:43
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org.apache.lucene.search.grouping.term (Lucene 4.2.0 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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...GroupFacetCollector
An implementation of AbstractGroupFacetCollector that computes grouped facets based on the indexed terms
from the FieldCache.
TermSecondPassGroupingCollector
Concrete implementation of Abstract...
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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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GroupingSearch (Lucene 4.2.0 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_2_0/grouping/org/apache/.../GroupingSearch.html
2013-03-11, 05:47
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MoreLikeThis (Lucene 4.3.0 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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| ...:
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_3_0/queries/org/apache/luc.../MoreLikeThis.html
2013-05-06, 08:52
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