Hi Mitu,
Could we have usage/implementation based questions at the user forum.
Would help keep things segregated :).
About your problem though, I wouldn't know about the .net port. You
could (in Java Lucene) use:
public TopFieldDocCollector(IndexReader reader, Sort sort, int
numHits)
i.e.:
Hi,
I'm using following code to get execute search query in Lucene.Net
var collector = new
GroupingHitCollector(searcher.GetIndexReader());searcher.Search(myQuery,
collector);resultsCount = collector.Hits.Count;How do i sort these search
results based on a field?
I need to use collector object(
See http://hudson.zones.apache.org/hudson/job/Lucene-trunk/723/changes
Changes:
[uschindler] fix javadocs
[uschindler] Add some extra check for validity of c'tor parameters in
TrieRangeFilter
[mikemccand] LUCENE-1314: add IndexReader.clone(boolean readOnly) and
reopen(boolean readOnly)
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John Wang commented on LUCENE-1506:
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Thanks Michael!
> Adding FilteredDocIdSet and Filt
Deleted documents as a Filter or top level Query
Key: LUCENE-1533
URL: https://issues.apache.org/jira/browse/LUCENE-1533
Project: Lucene - Java
Issue Type: Improvement
Components: In
> deletes made through reader (by docID) are immediately visible, but
through writer are buffered until a flush or reopen?
This is what I was thinking, IW buffers deletes, IR does not. Making
IW.deletes visible immediately by applying them to the IR makes sense
as well.
What should be the behavio
indeed :)
From: Paul Elschot
To: java-dev@lucene.apache.org
Sent: Friday, 30 January, 2009 23:37:08
Subject: Re: [jira] Commented: (LUCENE-1476) BitVector implement DocIdSet,
IndexReader returns DocIdSet deleted docs
On Friday 30 January 2009 23:24:42 eks
unfortunately this code is not mine, but is rather simple to try it:
int bloom_filter;
for (char accent : accents ) {
bloom_filter = bloom_filter | 1 << ( accent & 0x1F );
}
the rest is easy, this works well for 10-20 chars per bloom_filter, depends on
distribu
On Friday 30 January 2009 23:24:42 eks dev wrote:
...
>
> This is conceptually almost equal (fully equal, when Paul gets "Fillters as
> bolean clauses" done) to having separate, single valued field indexed
>
> isDeleted {true, false}
>
> where each Query gets implicitly transformed to "Origin
Maybe we should close this issue with a won't-fix and start a new one for
filtered deletions?
A few thoughts, without looking at the code, just thinking aloud :)
It is inverted filter what we are talking about here, Lucene uses Filter as a
pass filter (Set bit defines document that should pas
On Fri, 30 Jan 2009, eks dev wrote:
I have used them for speeding up huge switch clauses in charset
normalization (eg lowercase and accent->plain form mapping). Big number of
accented characters (this causes big switch statement) that appear seldom
in corpus (big majority being not accented).
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Michael McCandless commented on LUCENE-1314:
{quote}
I'm thinking of implement
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Mark Miller commented on LUCENE-1532:
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Our spellchecking def needs improvement.
I lik
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Michael McCandless commented on LUCENE-1476:
bq. We need more performance data
I have used them for speeding up huge switch clauses in charset normalization
(eg lowercase and accent->plain form mapping). Big number of accented
characters (this causes big switch statement) that appear seldom in corpus (big
majority being not accented). If negative test, you do just simple a
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Michael McCandless commented on LUCENE-1476:
{quote}
This seems like something
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Michael McCandless commented on LUCENE-1476:
{quote}
Thanks for running all th
Well. I used 2 Broder similarity measures, and it works well. You obviously
need to pick the right size bf's.
Navendu Jain has a paper called using bloomfilters to refine web search
results, which I think is relevant here. I talks about how remove near
duplicate search results using bf's.
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Eks Dev commented on LUCENE-1532:
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bq. so it can suggest a very obscure word rather than a
markharw00d wrote:
Andrzej Bialecki wrote:
Funny, I was having vague thoughts about this today too having been
concerned about some of the big arrays that can end up in a typical
Lucene app. Aside from providing space-efiicient lookups, another
application for BloomFilters is in similarity me
Andrzej Bialecki wrote:
Funny, I was having vague thoughts about this today too having been
concerned about some of the big arrays that can end up in a typical
Lucene app. Aside from providing space-efiicient lookups, another
application for BloomFilters is in similarity measures e.g. ANDing 2
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Jason Rutherglen commented on LUCENE-1476:
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{quote}
Just run sortBench2.py in co
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Jason Rutherglen commented on LUCENE-1476:
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> Maybe we should close this issue wi
File based spellcheck with doc frequencies supplied
---
Key: LUCENE-1532
URL: https://issues.apache.org/jira/browse/LUCENE-1532
Project: Lucene - Java
Issue Type: New Feature
Componen
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Marvin Humphrey commented on LUCENE-1476:
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> Actually I used your entire patch on
Hi all,
I've been using BloomFilters for various tasks, and I can't shake the
feeling that they could be of some use in Lucene internals, to speed up
various membership tests, especially if we look for 100% correct
negatives, and we can accept a small rate of false positives.
For example, le
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Jason Rutherglen commented on LUCENE-1314:
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I'm thinking of implementing a follow
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Jason Rutherglen commented on LUCENE-1314:
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Cool, cheers Mike!
> IndexReader.clo
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Michael McCandless commented on LUCENE-1483:
One immediate workaround would be
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Yonik Seeley commented on LUCENE-1483:
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My previous comment:
{quote}
I tracked down h
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Yonik Seeley commented on LUCENE-1478:
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Apologies, I meant to post in LUCENE-1483
>
Jason Rutherglen wrote:
> > We'd also need to ensure when a merge kicks off, the SegmentReaders
> > used by the merging are not newly reopened but also "borrowed" from
>
> The IW merge code currently opens the SegmentReader with a 4096
> buffer size (different than the 1024 default), how will thi
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Michael McCandless updated LUCENE-1476:
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Attachment: hacked-deliterator.patch
Alas I had a bug in my original test (my Se
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Uwe Schindler commented on LUCENE-1478:
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Ah, now I understand (by the way, I do not
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Michael McCandless commented on LUCENE-1478:
bq. the parser should be a singl
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Michael McCandless resolved LUCENE-1314.
Resolution: Fixed
Committed revision 739238. Thanks Jason!
> IndexReader.clone
>
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Uwe Schindler commented on LUCENE-1478:
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By the way: The Cache of FieldCache instanc
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Uwe Schindler commented on LUCENE-1478:
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bq. Uwe, would that result in a memory leak
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Michael McCandless updated LUCENE-1506:
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Attachment: LUCENE-1506.patch
Thanks John! I made a few tweaks ("downgraded" to Jav
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Michael McCandless commented on LUCENE-1478:
bq. Write a FloatParser that maps
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Michael McCandless commented on LUCENE-1478:
Yonik, why was the failure so int
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Michael McCandless commented on LUCENE-1476:
bq. Presumably you spliced the im
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Uwe Schindler commented on LUCENE-1478:
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After reading your comment several times an
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