Hello everyone,
Whenever I search a word in my web application, I search in some default
fields,
e.g. I search the word "hello", I generate these queries :
title:hello
headlines:hello
summary:hello
content:hello
Which I add in a BooleanQuery (BooleanClause.Occur.SHOULD)
What I want to achieve
ombination of native XML stores and Lucene?
Are there any problems that could arise from this combination?
- Thomas
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Thanx a lot Patrick! That's exactly what I was hoping for. I'll give it
a shot.
-Thomas
Patrick Turcotte wrote:
Hi,
There is a Lucene-eXist trigger that allows you to do just that. Take
a look at patch
http://sourceforge.net/tracker/index.php?func=detail&aid=1654205&g
ePolicy.html#findMerges%28org.apache.lucene.index.SegmentInfos%29>
Would somebody be so kind to explain it to me?
Thanks, thanks a lot
Thomas
; when we search for
"Doe*"
Thank you.
Thomas W. Johnson, Senior Programmer
678-397-1663
tjohn...@paperhost.com<mailto:tjohn...@paperhost.com>
[PaperHost]
[asdf]<http://bit.ly/PaperHost_Twitter>
Follow PaperHost on T
Hello,
Just wondering if anyone has patched lucene 4.x for usage with java 17+ and
willing to share their work? anything would be appreciated.
No we cannot upgrade lucene, and will likely spend time to try to
backport/patch it ourselves, but maybe someone already has? if anyone has
interest in
Hello all,
I am VERY new to Lucene and we are trying out Lucene to see if
it will accomplish the vast majority of our search functions.
I have a question about a good way to index some of our product
description codes. We have description codes like 21-MA-GAB and other
punctuatio
on
On 6/28/05, Aigner, Thomas <[EMAIL PROTECTED]> wrote:
> Hello all,
>
> I am VERY new to Lucene and we are trying out Lucene to see if
> it will accomplish the vast majority of our search functions.
>
> I have a question about a good way to in
#x27;t matter.
Two other issues are code/data size (ICU can be big) and the
performance hit while indexing documents.
-- Ken
>Aigner, Thomas wrote:
>
>>Hello all,
>>
>> I am VERY new to Lucene and we are trying out Lucene to see if
>>it will accomplish the v
Hi all,
I am creating a punctuation filter to filter certain punctuation
out of the token stream. I am getting a "The field t.termText is not
visible" error. I'm not sure what I would need to include to make this
property visible (I am still new to Lucene and Java for that matter). I
copi
Dear all,
I'd like my lucene searches to be insensitive to (French) accents. For example,
considering a indexed term "métal", I want to get it when searching for "metal"
or "métal" . I use lucene-2.3.2 and the searches are performed with:
IndexSearcher.search(query,filter,sorter), Another filte
] b[2] c[1].
The old discussion had no real solution but it is also a bit outdated,
maybe someone has a better idea now.
Greets, Thomas
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Hi,
I have a problem using TermQuery and FuzzyQuery for terms containing the
character "-". Considering I've indexed "jack" and "jack-bauer" as 2 tokenized
captions, I get no result when searching for "jack-bauer". Moreover, "jack"
with a TermQuery returns the two captions.
What should I do t
d strongly recommend you get a copy of Luke, it's invaluable for questions
like this
because it lets you look at what's actually in your index. It'll also show
you how
queries get broken down when pushed through various analyzers...
BTW, nice test case for demonstrating what you w
/www.windowslive.com/Online/Hotmail/Campaign/QuickAdd?ocid=TXT_TAGLM
>>>> _WL_QA_HM_sports_photos_072009&cat=sports
>>>>
>>> -
>>> To unsubscribe, e-mail: java-user-u
mpDir);
with
IndexSearcher indexSearcherTmp = new IndexSearcher(tmpDir, true);
No errors in the logfiles, no catched exceptions, etc. I'm a kinda out of ideas
at the moment. I googled and tried couple of things
(IndexWriter.setUseCompoundFile(true), etc.) but didn't find a
solution. A
y took {} ms", durationMillis);
}
return docs;
}
I'm wondering why others are experiencing better performance with 2.9 and why
our implementations performance is going bad. Maybe our way of using the 2.9 api
is not the best and sorting is definetly
Missed the attachment, sorry.
Thomas Becker wrote:
> Hi all,
>
> I'm experiencing a performance degradation after migrating to 2.9 and running
> some tests. I'm getting out of ideas and any help to identify the reasons why
> 2.9 is slower than 2.4 are highly appreci
Urm and uploaded here:
http://ankeschwarzer.de/tmp/graph.jpg
Sorry.
Thomas Becker wrote:
> Missed the attachment, sorry.
>
> Thomas Becker wrote:
>> Hi all,
>>
>> I'm experiencing a performance degradation after migrating to 2.9 and running
>> some tests.
nerCache is a Map containing field + parser
* (contracttocontentgroup prefix) as the key and as a value yet another map.
* The latter map finally contains the docIds as key and positionvalue for this
* prefix as value.
*
* @author Thomas Becker (thomas.bec...@net-m.de)
*
*/
pub
with lucene 2.4. I will now try a freshly build 2.9 index and see if performance
improves. Maybe that already solves the issue...stupid me...
We're updating the index every 30 min. at the moment and it gets optimized after
each update.
Mark Miller wrote:
> Thomas Becker wrote:
>> Hey Mar
ry as well?! Will check that.
Thanks a lot for your support!
Cheers,
Thomas
Mark Miller wrote:
> A few quick notes -
>
> Lucene 2.9 old api doesn't appear much worse than Lucene 2.4?
>
> You save a lot with the new Intern impl, because thats not a hotspot
> anymore. But t
org/jira/browse/LUCENE-753
>
--
Thomas Becker
Senior JEE Developer
net mobile AG
Zollhof 17
40221 Düsseldorf
GERMANY
Phone:+49 211 97020-195
Fax: +49 211 97020-949
Mobile: +49 173 5146567 (private)
E-Mail: mailto:thomas.bec...@net-m.de
Internet: http://www.net-m.de
Registergericht: Amts
Mark Miller wrote:
> Thomas Becker wrote:
>> Hey Mark,
>>
>> yes. I'm running the app on unix. You see the difference between 2.9 and 2.4
>> here:
>>
>> http://ankeschwarzer.de/tmp/graph.jpg
>>
> Right - I know your measurements showed
Hi Uwe,
already done. See my last message.
Cheers,
Thomas
Uwe Schindler wrote:
> On 2.9. NIOFS is only used, if you use FSDirectory.open() instead of
> FSDirectory.getDirectory (Deprecated). Can you compare when you use instead
> of FSDirectory.open() the direct ctor of SimpleFSDir vs.
e fields...
I'm using lucene 2.4.1 and java version "1.6.0_16".
Do anyone have an idea to avoid the growing memory. Or do somebody know
an other approche for a "realtime Item based Recommender" with Lucene?
Regards
Thomas
--
gt; https://issues.apache.org/jira/browse/LUCENE-753
>
--
Thomas Becker
Senior JEE Developer
net mobile AG
Zollhof 17
40221 Düsseldorf
GERMANY
Phone:+49 211 97020-195
Fax: +49 211 97020-949
Mobile: +49 173 5146567 (private)
E-Mail: mailto:thomas.bec...@net-m.de
Internet: http:/
g, can you fill us
> in on the query types you are using as well? (eg qualities)
>
> And grab invocations if its possible.
>
--
Thomas Becker
Senior JEE Developer
net mobile AG
Zollhof 17
40221 Düsseldorf
GERMANY
Phone:+49 211 97020-195
Fax: +49 211 97020-949
ry types you are using as well? (eg qualities)
>>
>> And grab invocations if its possible.
>>
>> --
>> - Mark
>>
>> http://www.lucidimagination.com
>>
>>
>>
>> Thomas Becker wrote:
>>> Tests run on tmpfs:
>>> config: impl=Sepa
guess, based on
> the 2.9 new api profiling, is that your queries may not be agreeing with
> some of the changes somehow. Along with the profiling, can you fill us
> in on the query types you are using as well? (eg qualities)
>
> And grab invocations if its possible.
>
--
Thomas B
IndexSearcher.search was called only
> once.
>
> Uwe
>
>
> -
> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
> For additional commands, e-mail: java-user-h...@lucene.apache.org
>
--
Thomas Becker
Senior JEE Deve
t was only
> one search, you must have two segments and therefore no optimized index for
> this to be correct?
>
> Uwe
>
>
> -
> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
> Fo
You use Lucene 2.9 is there a way to do this with Lucene 2.4.1 because I
can't find e.g. the "PayloadEncoder" or do I have to wait for the release?
Regards Thomas
You might want to ask on mahout-user, but I'm guessing Ted didn't mean
a new field for every item-item,
getTermFreqVector().
I do not require the term frequency within a document.
Thanks,
Thomas
HashMap termDocCount = new HashMap();
TermQuery tagQuery = new TermQuery(tagTerm);
TopDocs docs = searcher.search(tagQuery, numDocs);
for (int i=0 ; i public void map(String term, int frequency
while to compute the document,tag probabilities.
Thanks,
Thomas
On Wed, Oct 14, 2009 at 8:15 AM, Grant Ingersoll wrote:
>
> On Oct 12, 2009, at 10:46 PM, Thomas D'Silva wrote:
>
>> Hi,
>>
>> I am trying to compute the counts of terms of the documents return
Hi,
I have few Indexes with the same structure.
I'm using MultiSearcher to search into those indexes and when I try to
sort the result by field the result is sort by field and by index (we
have all results from index1 and then index2,...) but I would like to
have the result sorted on the all result
EMAIL PROTECTED]
Sent: 08 November 2007 13:22
To: java-user@lucene.apache.org
Subject: Re: Sorting with MultiSearcher
Any other info or code snippets? I sort on multisearchers all the time
and have never seen that behavior.
- Mark (sorting on multisearchers since Lucene 1.4 )
WATHELET Thomas w
Dear all,
I'm trying to sort query results using a date criteria. My dates are stored as
"long" in the database (I cannot change this) and indexed as untokenized. The
sorted resuIts I get aren't consistent. This problem does not occur if the
number are "smaller".
Am I doing something wrong ? I
iddle.
Any body can help me thank's
Thomas WATHELET
Development Team
Tel.: (+352) 4300 24752
E-mail: [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>
<>
file.
It contains the following files.
master:/home/thomas/keywordsearch/etc # ls
/usr/local/jboss-3.2.7/server/default/conf/index/
.. _2.cfs segments.gen segments_9
I have checked the index using luke and it is good. In addition it works
on Windows.
Can anybody tell me why it is se
e.org
Betreff: Re: lucene can't find segments file
It seems likely you are using an older version of Lucene to access an index
created by a newer version of Lucene?
Mike
Hoelzl, Thomas wrote:
> Hi all!
>
> I have some problems running my lucene application on linux (suse).
>
> l
et something special to my search query?
I need help...
Thanks in advence.
Thomas WATHELET
Development Team
Tel.: (+352) 4300 24752
E-mail: [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>
<>
Dear all,
I'm a recent Lucene user and I'm looking for the best way to perform searches
over long titles (ad titles on a website).
For example, if the following documents exist:
- TITLE, "Fender telecaster"
- TITLE, "Land rover defender"
- TITLE, "I sale a wonderful fender st
; c).
Probably the problem is with this accents..
You can check this if you adapt the method tokenStream()
in the BrazilianAnalzyer by including the ISOLatin1AccentFilter
in the filter chain.
Thomas
Vinicius Carvalho said the following on 03/06/08 20:51:
Hello there! I'm indexing documents u
ardQuery with the term "pretty*car". I also want to
get this document when searching for "pretty*sale*". How should I do ? Is it
really possible ?
I use lucene 2.3.1.
Thanks in advance,
Thomas Legrand
Name fields in a range between "A Balladeer*" TO "A
Perfect Circle*" and get only terms back which are starting with that
terms? Is there a way to accomplish that in Java and try it in luke?
And is there a way to sort resultsets in luke?
Cheers,
Thomas
--
Thomas Be
t Circle"] gives zero results. Tried it
also with braces around the term and such stupid things, even if they
shouldn't be needed in a range query.
I'm kinda clueless.
Cheers,
Thomas
Ian Lea wrote:
Hi
Are you sure your range queries should have wild card asterisks on the
end? Loo
Btw. I tried the wildcard since I found something on google, which noted
wildcards together with StartsWith queries.
Thomas Becker wrote:
Hi Ian,
no the wild cards should not be necessary. That was just the last try
out of some. I now the exact content of both fields in my range query.
The
350
damage unrepaired 30
metallic 60
something like this...
is there a way to do the same with lucene?
thx thomas.
--
GMX Kostenlose Spiele: Einfach online spielen und Spaß haben mit Pastry Passion!
http://games.entertainment.gmx.net/de/entertainment/games/free/puzzle/6169196
be
careful. Load on the DB Server will surely increase.
Hope that helps.
Cheers,
Thomas
Paul Taylor wrote:
> I'm building a lucene index from a database, creating 1 about 1 million
> documents, unsuprisingly this takes quite a long time.
> I do this by sending a query to the db o
Hi,
I often get a FileNotFoundException when my single IndexWriter commits while
the IndexReader also tries to read. My application is multithreaded (Tomcat
uses the business APIs); I firstly thought the read/write access was
thread-safe but I probably forget something.
Please help me to unde
xWriter is committing) is perfectly fine. The reader
searches the point-in-time snapshot of the index as of when it was
opened.
But: what filesystem are you using? NFS presents challenges, for example.
Mike
On Fri, Jan 8, 2010 at 5:35 AM, legrand thomas wrote:
> Hi,
>
> I often get a Fi
McCandless a
écrit :
De: Michael McCandless
Objet: Re: Concurrent access IndexReader / IndexWriter - FileNotFoundException
À: java-user@lucene.apache.org
Date: Samedi 9 Janvier 2010, 14h51
Can you post the full FNFE stack trace?
Mike
On Fri, Jan 8, 2010 at 5:35 AM, legrand thomas wrote:
>
ginal questions...: commit/read does not require any
external synchronization or locking. You should generally keep your
IW open indefinitely and just periodically commit and/or get a new
reader (IndexWriter.getReader()) as needed.
Mike
On Sat, Jan 9, 2010 at 10:06 AM, legrand thomas
wrote:
>
&g
For additional commands, e-mail: java-user-h...@lucene.apache.org
>
>
--
Med venlig hilsen
Thomas Guttesen
;
( or http://tinyurl.com/yjr45ut )
The mail is about a lucene index{reader|writer} on top of cassandra and
whether sth. like this could also be done with hbase.
Best regards,
Thomas Koch, http://www.koch.ro
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http://www.infoq.com/news/2010/03/egit-released
http://aniszczyk.org/2010/03/22/the-start-of-an-adventure-egitjgit-0-7-1/
Maybe, one day, some apache / hadoop projects will use GIT... :-)
(Yes, I know git.apache.org.)
Best regards,
Thomas Koch, http://www.ko
s not automatically if i close searcher.close()?
Do I have to close something else, than all IndexSearchers and Directorys?
Or am I wrong with my assumption, and the problem is somewhere else?
Best
Thomas
-
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understand this page and help to get it in shape.
Best regards,
Thomas Koch, http://www.koch.ro
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Hello All,
Can someone explain to me how fielded queries work with phrases? My
first thought is that the phrase is broken down into terms and those
terms are then fielded and separated with the AND operator. An
example would be the following:
name:"Tom Jones" --> name:"Tom" AND name:"Jones"
I
Hello Guys,
I trying to understand how lucene score is calculated. So 'm using the
searcher.explain() function. But the output it gives is really confusing for
me. Below are the details of the query that I gave and o/p it gave me
Query: *It is definitely a CES deal that will be over in Sep or Oct
m frequency, idf and field norm
>
> 0.07028562 = (MATCH) fieldWeight(payload:ces in 550), product of:
>
> 1.0 = *tf(*termFreq(payload:ces)=1)
>
> 2.2491398 = *idf(*docFreq=157, maxDocs=551)
>
> 0.03125 = *fieldNorm*(field=payload, doc=550)
>
>
Hi,
I was indexing some documents, but my program crashed after several days
of work. If I reopen this index it is empty. I guess the reason is that
auto-commit was not set and I never performed a commit. (Lesson
learned) So probably all documents are marked as "deleted" and
re-opening the i
amount of the deleted file handles will be
stable - but first at a amount of 500 or so.
Thanks in advance
Thomas
I integrated your
SearchManager class into our code, but I am still seeing file handles marked
deleted in the index directory. I am running the following command on Linux:
sudo watch
used" by the indexwriter) grows.
Is that possible and if yes why does the indexwriter do it? Is there a
max Value of deleted handles an IndexWriter could own, because I don't
want to chrash the system because of too much open filehandles?
Thanks in advance.
Thomas
--
help.
Thomas
I've found a case, only with compound file, where IndexWriter holds
open a SegmentReader on the pre-compound-file files... I'm working on
a test case& fix.
Mike
On Fri, Nov 12, 2010 at 5:49 AM, Thomas Rewig wrote:
Hello,
I use the searcherManager for LiveIndexin
.0.2 Release version or have I wait for a future release?
Thanks for your help.
Thomas
Listen
Read phonetically
t the NumericRangeQuery query does not work?
I use lucene v. 3.0.2.
Thanks in advance!
Thomas
index and I wonder why my WildcardFilter sometimes returns the correct
search results and sometimes not. What is the difference between steping
through the term docs with termDocs.next() and using the read-method.
Can anybodey explain that?
Thanks in advance,
Thomas
dcard filters. But
filters really seem to be quite fast.
Thanks again,
Thomas
-Ursprüngliche Nachricht-
Von: Erick Erickson [mailto:[EMAIL PROTECTED]
Gesendet: Tuesday, September 19, 2006 3:59 PM
An: java-user@lucene.apache.org
Betreff: Re: Question about termDocs.read(docs, freqs)
I
Howdy all,
I have a issue with java running out of memory after the search
has been running for a while. We are using 1.9.1 release and I check
the indexreader's version to determine if I need to get a new searcher
for searches (so I pick up any changes to the index). I am seeing jumps
i
objects aren't
properly disposed.
-drj
On 10/26/06, Aigner, Thomas < [EMAIL PROTECTED]> wrote:
>
> Howdy all,
>
> I have a issue with java running out of memory after the
search
> has been running for a while. We are using 1.9.1 release and I check
> the indexrea
I have seen numerous posts on warming up a searcher, but was wondering
if someone could post their code that would spin off another thread to
warm up a searcher, then switch to the new one when it is warmed up?
-
To unsubscri
how to update a field in lucene?
lt stemmer or do I have to stem the texts before
indexing ?
Does a multi-language stemmer exists ?
(sorry if the answers are in the documentation, I didn't manage to
fully read it)
Thanks in advance !
Thomas Klein.
-
To
Howdy all,
I have a question on reading many documents and time to do this.
I have a loop on the hits object reading a record, then writing it to a
file. When there is only 1 user on the Index Searcher, this process to
read say 100,000 takes around 3 seconds. This is slow, but can
have it in the loop?
On Dec 7, 2006, at 1:14 PM, Aigner, Thomas wrote:
>
>
>
>
> Howdy all,
>
>
>
> I have a question on reading many documents and time to do this.
> I have a loop on the hits object reading a record, then writing it
> to a
> file
is.search(query, hc);
-Original Message-
From: Aigner, Thomas [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 07, 2006 1:36 PM
To: java-user@lucene.apache.org
Subject: RE: Reading Performance
Thanks Grant and Erik for your suggestions. I will try both of them and
let you know i
How could I optimize my index creation?
// setUseCompoundFile(?);
// setMaxBufferedDocs(?);
// setMergeFactor(?);
How could I reduce the disk access because I work with more than 100
documents?
Thanks
ink.
Otis
- Original Message
From: WATHELET Thomas <[EMAIL PROTECTED]>
To: java-user@lucene.apache.org
Sent: Monday, January 29, 2007 4:16:22 AM
Subject: Index creation
How could I optimize my index creation?
// setUseCompoundFile(?);
// setMaxBufferedDocs(?);
/
I'm using RAMDirectory
If the number of documents to index is less than the maxBufferedDocs
properties nothing is write into my index.
ex: RAMDirectory ramDir =new RAMDirectory ();
this.indexWriter.addIndexes(new Directory[] { ramDir });
ramWriter.close();
indexWriter.
P.S. At one point I tried doing an in-memory index using the
RAMDirectory and then merging it with an on-disk index and it didn't
work. The RAMDirectory never flushed to disk... leaving me with an
empty index.
Only when the number of documents is greather than the maxBufferedDocs
properties.
What
s was fixed a while back.
Running HEAD or at least 2.0.0?
Otis
- Original Message
From: WATHELET Thomas <[EMAIL PROTECTED]>
To: java-user@lucene.apache.org
Sent: Tuesday, January 30, 2007 11:22:52 PM
Subject: RAMDirectory 2
P.S. At one point I tried doing an in-memory inde
do something like this:
public class Index extends IndexModifier { ...
public int deleteDocuments(String field, String value) throws
IOException {
return super.deleteDocuments(new Term(field, value));
}
use like this :
index.deleteDocuments(filed name, field value);
_
Parse your date with this classe DateTools.stringToDate to search and
DateTools.dateToString() to store into index.
-Original Message-
From: 李寻欢晕菜了 [mailto:[EMAIL PROTECTED]
Sent: 26 February 2007 11:17
To: java-user@lucene.apache.org
Subject: how to query range of Date by given date st
I don't really understand the difference between using the ramDirectory
and using IndexWriter.
What's the difference between using ramDirectory instead of using
IndexWriter with those properties set to:
setMergeFactor(1000);setMaxMergeDocs(1);setMaxBufferedDocs(1);
lto:[EMAIL PROTECTED]
Sent: 28 February 2007 16:29
To: java-user@lucene.apache.org
Subject: Re: RamDirectory vs IndexWriter
Le Mercredi 28 Février 2007 16:19, WATHELET Thomas a écrit :
> I don't really understand the difference between using the ramDirectory
> and using IndexWriter.
&
Walt,
I am no expert, but it sounds like you need to associate many
dates to a single record. Can this be handled as you would a synonym?
Basically add a token at the same offset as the row itself? i.e. you
would have a record that would also have a date field that has 3 offsets
that woul
How can I add the Package org.apache.lucene.search.highlight into my projects
because the standart Lucene api 2.1.0 do not content this package?
org.apache.lucene.search.highlight
The contrib/highlighter directory contains the jar file that is needed.
Ulf
On 04.03.2007, at 10:58, WATHELET Thomas wrote:
> How can I add the Package org.apache.lucene.search.highlight i
tting
and returning docs IDs.
I'm indexing a some date field like that :
20060612223456
2006061222
20060612
200606
2006
In your opinion, will range query be fast enough or will I need to
create, for exemple, one index per month and then open and parse them
regarding querys ?
R
process.
http://www.getopt.org/luke/
Stop words affect the performance. The seize of the index without stop
words is much small ( up to 40%), because they occur soo often.
Thomas
aslam bari wrote:
Ok, Thats fine. Thanks
Now what if i don't want to stop any word, means i want lucene not to ignore
ss (Analyzer), which is a simple copy of the
StandardAnalyzer, and expand it with the appropriate Filter in the
method "tokenStream".
Hope this helps...
Thomas
[EMAIL PROTECTED] wrote:
Hi,
Lucene provides a PorterStemFilter which uses PorterStemmer.
Is there any way I c
rrent document.
For the calculation of the idf, you can use the provided formula from
the "DefaultSimilarity".
To get the document frequency, which is necessary to calculate the idf,
you can call:
reader.docFreq(term)
Hope this helps...
Thomas
Sengly Heng wrote:
Hello Luceners,
//toDo: count the occurrence of the terms
}
}
}
Hope this helps.
Thomas
Sengly Heng wrote:
Hello all,
I would like to extract the term freq vector from the hit results as a
total
vector not by document.
I have searched the
complete JUnit test which behaves exactly as my manager. The main
methods to look at are testIndexManagement (the
test),getIndexWriter,addDocument,performExactSearchIntoIndex,performApproximativeSearchIntoIndex.
Thank you for your help,
Best regards,
T
complete JUnit test which behaves exactly as my manager. The main
methods to look at are testIndexManagement (the
test),getIndexWriter,addDocument,performExactSearchIntoIndex,performApproximativeSearchIntoIndex.
Thank you for your help,
Best regards,
T
High,
Is-it possible to update a document's field without deleting the
document and add it again into the index?
Witch analyser I have to use to find text like this ''?
like the page or the chapter, where
the relevant information is.
As anyone have similar requirements? Which of these tools
are the best to fit my requirements?
Thanks for your help
Thomas
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