ation engine [2] in Lucene 9.12, in the sandbox
module for now, if you're willing to consider it. It facets at match-time
and is
generally faster than the faceting we had before 9.12.
Stefan
[1]
https://github.com/apache/lucene/tree/main/lucene/demo/src/java/org/apache/lucene/demo/facet
[2
Hi Siddharth,
If you happen to be using IntelliJ, you can run a demo class from the IDE.
It probably works with other IDEs too, though I haven't tried it.
Stefan
On Sun, 21 Apr 2024 at 23:59, Siddharth Jain wrote:
> Hello,
>
> I am a new user to Lucene. I checked out the Lucene
, making for a path like `Publish Date/2023/11/16`. When
faceting, you could get counts with respect to each of the labels in the
path
(e.g. counts per year or counts per month of given year).
Stefan
[1] https://github.com/apache/lucene/pull/12817
On Wed, 15 Nov 2023 at 01:01, Tony Schwartz wrote
ying to do.
If you've already checked these resources, is there a specific question they
didn't help answer?
Stefan
[1]
https://github.com/apache/lucene/tree/main/lucene/demo/src/java/org/apache/lucene/demo/facet
[2]
https://github.com/apache/lucene/blob/main/lucene/demo/src/java/or
Hi everyone,
I ended up using the idea of doing multiple aggregations in one go and it
was
a nice improvement. Maybe we can reconsider introducing this? I've opened an
issue [1] and published a PR [2] based on the code I had previously shared,
with some extra tests and a few improvements.
S
help?
Stefan
[1]
https://github.com/apache/lucene/blob/d1c353116157d0375de9d673ae5e9c90524ffe2f/lucene/misc/src/java/org/apache/lucene/misc/index/IndexRearranger.java
On Wed, 30 Aug 2023 at 15:19, Rahul Goswami wrote:
> Thanks for the response Mikhail. I don't think I am looking for
> f
Hi Greg,
The PR looks great. I think it's a useful feature to have and it helps with the
use-case we were discussing. I left a comment with some other ideas that I'd
like to explore.
Thank you for coding this up,
Stefan
On Sun, 5 Mar 2023 at 19:33, Greg Miller wrote:
>
>
ng call. Has anyone worked on something similar?
Best,
Stefan
On Thu, 23 Feb 2023 at 16:53, Greg Miller wrote:
>
> Thanks for the detailed benchmarking Stefan! I think you've demonstrated
> here that looping over the collected hits multiple times does in fact add
> meaningful over
for my
use-case.
I'd like to know if the test and results seem reasonable. If so, maybe
we can think
about providing this functionality.
Thanks,
Stefan
[1]
https://github.com/stefanvodita/lucene/commit/3536546cd9f833150db001e8eede093723cf7663
[2] https://download.geonames.org/export/dump/a
asted work as I had
expected. I'll try to do a performance comparison to quantify precisely
how much time we could save, just in case.
Thank you the help!
Stefan
[1]
https://github.com/stefanvodita/lucene/commit/3227dabe746858fc81b9f6e4d2ac9b66e8c32684
On Wed, 15 Feb 2023 at 15:48, Greg M
, iterating twice
duplicates most of the work, correct?
Stefan
[1]
https://github.com/apache/lucene/blob/7f8b7ffbcad2265b047a5e2195f76cc924028063/lucene/demo/src/java/org/apache/lucene/demo/facet/ExpressionAggregationFacetsExample.java#L91
On Mon, 13 Feb 2023 at 22:46, Greg Miller wrote:
>
> Hi
present in Mark Twain’s writing, and those of other
American authors, and in sci-fi novels too.
Does that make the example clearer?
Stefan
On Sat, 11 Feb 2023 at 00:16, Greg Miller wrote:
>
> Hi Stefan-
>
> Can you clarify your example a little bit? It sounds like you want to facet
pass.
Is there a way to do that?
Stefan
[1]
https://javadoc.io/doc/org.apache.lucene/lucene-demo/latest/org/apache/lucene/demo/facet/package-summary.html
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For
Hello Shunya,
As far as I know, GitHub issues are not marked for new developers yet.
The project migrated a few months ago from Jira to GitHub issues, so
you can still search the old labels in Jira . In particular, there is `newdev`
for good starter issues [1].
Hope this helps,
Stefan
[1
actually hadn't thought of that.
Could you please provide more details on how we could approach the problem
from this angle?
Thanks,
Stefan Onofrei
On Wed, Jun 3, 2020 at 9:59 PM Mikhail Khludnev wrote:
> Hi, Stefan.
> Have you considered faceting/aggregation over `from` field?
>
&g
, it would then have to
be exposed somehow.
Thanks,
Stefan Onofrei
[1]
https://lucene.apache.org/core/8_5_1/join/org/apache/lucene/search/join/JoinUtil.html
[2]
https://lucene.472066.n3.nabble.com/access-to-joined-documents-td4412376.html
[3] https://issues.apache.org/jira/browse/LUCENE-3602
Hi,
can indexing on HDFS somehow be tuned up using pluggable codecs / some
customized PostingsFormat? What settings would you recommend for using Lucene
5.5 on HDFS?
Regards,
Stefan
#
" This e-mail and any attached documents may contain confidential or
proprietary information. If you ar
Hi,
I want to store a query for later use in a database, like:
1. queryToPersist = booleanQuery.toString();
2. store it to the db, go fishing, retrieve it
3. Query query = Query.parseString(queryToPersist)
The method Query.parseString does not exist. Is there a way to do something
similar?
and size of allocated
>> objects.
Just looking for the installed plugins.
I guess this plugin does the job.
http://www.eclipse.org/mat/
Stefan
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DumpPath=. -XX:+HeapDumpOnOutOfMemoryError
and drag'n'drop the resulting java_pid*.hprof into eclipse.
You will get an outline by class for the number and size of allocated
objects.
Note that you need somewhat more main memory for the post mortem
diagnosis, so you may want to st
strategy.
> I think it's better to spend time during reopen so that searches
> aren't slower.
Absolutely, if you build an internet search engine. For our closed world
with numbered clients search speed doesn't have that impact. It must
scale for one client
On Tuesday 18 January 2011 22:04:01 Grant Ingersoll wrote:
Where do you get your Lucene/Solr downloads from?
[x] ASF Mirrors (linked in our release announcements or via the Lucene
website)
[] Maven repository (whether you use Maven, Ant+Ivy, Buildr, etc.)
[] I/we build them from source via an
in IndexReader, but I don't know how to repair/rebuild the
segments_N file afterwards. Is this even possible?
Also, I found this:
http://lucene.472066.n3.nabble.com/Distributing-index-over-N-disks-td577483.html
Gives
me hope!
Thanks again,
Stefan
On Fri, Aug 27, 2010 at 2:35 AM, Sanne Gr
, the .fdx/.fdt
stored-fields-related files onto a standard rotational drive, and using
symlinks to hide all of this from Lucene.
Any ideas on what the performance effects of such a setup would be? Which
files would you recommend putting on the slower media, and which on the
faster media?
Thanks!
-Stefan
that this event has ended,
not really unexpected as it was one hour late now. Plenty data for
registration required and the account seems to be undeletable.
(*) sending xhtml claiming to be text/plain
regards,
Stefan
-
To u
multiValued=true;
> break;
> }
> docsRead.set(td.doc());
> }
> }while(te.next()&&multiValued==false);
Nice
Hello
Is there an api that indicates whether a field is multivalued, just like
IndexReader.getFieldNames(IndexReader.FieldOption fldOption) does it
for fields beeing indexed/stored/termvector?
Of course I could track it at index time.
Stefan
tokenStream.end();
tokenStream.close();
return output.toArray(new String[0]);
}
The complete example is attached. "in.txt" must be in "." and is plain
ASCII.
Stefan
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOExcep
On Wednesday 02 December 2009 16:20:28 Stefan Trcek wrote:
> On Wednesday 02 December 2009 15:50:45 archibal wrote:
> > -optionnally i want to have a central server which index all data
> > (name of files, folders and file content) on network and i would
> > like to connect
is or something like ?
You may have a look at
regain http://regain.murfman.de/wiki/doku.php?id=start
hounder http://www.hounder.org/index.html
I never used these products, so I can't tell you anything about 'em.
Stefan
--
On Monday 30 November 2009 18:51:34 Nick Burch wrote:
> On Mon, Nov 30, 2009 at 12:22 PM, Stefan Trcek
wrote:
> > I'd do, but was not successful to get the svn repo some months ago.
> > I have to claim the sys admin for any svn repo to open a door
> > through th
opFieldDocs Searcher.search(Query query, Filter filter, int n, Sort
sort)
Stefan
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On Monday 30 November 2009 18:42:50 Michael McCandless wrote:
> I was able to apply that git patch just fine -- so I think it'll
> work?
Good to hear it works that simple.
This patch completes the task.
It is a "two file" patch, so if this will work too, I'm confident.
I'd try to setup the git-svn bridge locally,
just to create the patches.
Stefan
diff --git a/src/java/org/apache/lucene/search/TopDocs.java
b/src/java/org/apache/lucene/search/TopDocs.java
index 7e53662..0f098e1 100644
--- a/src/java/org/apache/lucene/search/TopDocs.java
+++ b/src/j
", "Expert", "Expert + low level" or return a TopDocs/TopFieldDocs
object, which itself claimes to be "Expert".
I appreciate the labeling but I guess the road to go is somewhat hidden.
Stefan
--
ll into
the "search(query, filter, collector)" method. I see that I can do that
simpler with "search(Query, Filter, int, Sort)".
Stefan
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sed it, but I stumpled upon "out of order" and "in order"
several times and wasn't sure what will be the consequence of the
decision. Not even sure what will be the "don't care" case.
I like "don't care" options like "Version.LUCENE_CURRENT
aller and maybe even grouped by topic. I prefer advancing step by
step. A bunch of deprecated API parts even hinders reading and
understanding the API. So, the sooner they are gone, the better.
Regards, Stefan
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give up on tracking down those binary references, I spent too much
time on this already.
Thanks a lot for your insights.
Stefan
-Ursprüngliche Nachricht-
Von: Michael McCandless [mailto:luc...@mikemccandless.com]
Gesendet: Do 25.06.2009 15:57
An: java-user@lucene.apache.org
B
it is
similar to creating a new IndexWriter.
HTH,
Stefan
-Ursprüngliche Nachricht-
Von: Michael McCandless [mailto:luc...@mikemccandless.com]
Gesendet: Do 25.06.2009 13:13
An: java-user@lucene.apache.org
Betreff: Re: OutOfMemoryError using IndexWriter
Can you post your test code? If yo
term/freq vector
fields per doc]
No problems were detected with this index.
Stefan
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[Ljava.util.HashMap$Entry;11329 2494312
class java.util.HashMap$Entry 132578 2121248
class [I51862097300
So far I had no success in pinpointing those binary arrays, I will need some
more time for this.
Stefan
-Ursprüngliche Nachricht-
Von: Michael McCandless [mailto:luc
eneric.
I shall post my results.
Stefan
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some hint, whether this is the case, from the programming side would be
appreciated ...
Stefan
-Ursprüngliche Nachricht-
Von: Sudarsan, Sithu D. [mailto:sithu.sudar...@fda.hhs.gov]
Gesendet: Mi 24.06.2009 16:18
An: java-user@lucene.apache.org
Betreff: RE: OutOfMemoryError using
.
> Why is it, that creating a new Index Writer will let the indexing run fine
> with 80MB, but keeping it will create an
> OutOfMemoryException running with 100MB heap size ?
Please explain those buffered deletes in a few more details.
Thanks,
Stefan
-
Hi,
I do use Win32.
What do you mean by "the index file before
optimizations crosses your jvm memory usage settings (if say 512MB)" ?
Could you please further explain this ?
Stefan
-Ursprüngliche Nachricht-
Von: Sudarsan, Sithu D. [mailto:sithu.sudar...@fda.hhs.gov]
Ge
IndexWriter for the complete indexing operation, I do not
call optimize but get an OOMError.
Stefan
-Ursprüngliche Nachricht-
Von: Otis Gospodnetic [mailto:otis_gospodne...@yahoo.com]
Gesendet: Mi 24.06.2009 14:22
An: java-user@lucene.apache.org
Betreff: Re: OutOfMemoryError using
org.apache.lucene.index.BufferedDeletes$Num 117303 469212
The --- as well was the reflect.Method are part of the app's data.
Why is it, that creating a new Index Writer will let the indexing run fine with
80MB, but keeping it will create an
OutOfMemoryException running with 100MB heap size ?
S
org.apache.lucene.index.FreqProxTermsWriter$PostingList 116736
(instances) 3268608 (size)
Well, something I should do differently ?
Stefan
-Ursprüngliche Nachricht-
Von: Michael McCandless [mailto:luc...@mikemccandless.com]
Gesendet: Mi 24.06.2009 10:48
An: java-user@lucene.apache.org
Betreff: Re
oblem related to Lucene.
Any Ideas - or post this to Jira ? Jira has quite a few OutOfMemory postings
but they all seem closed in Version 2.4.1.
Thanks,
Stefan
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On Wednesday 12 November 2008 14:58:53 Christian Reuschling wrote:
> In order to offer some simple 1:n matching, currently we create
> several, counted attributes and expand our queries that we search
> inside each attribute, e.g.:
I use one attribute (Field) multiple times
f course even a second load and then a search is much
> slower than just a warmed search though). Was hoping to see some
> advantage with a payload implementation with LUCENE-831, but really
> didn't seem to...
Currently I have 50 mil docs maximum, but usually 5 mil
But a servlet engine
> can be mighty handy when you need to go to distributed search,
> replication, etc. But one can use Solr very much like using Lucene,
> API-only (but with config files).
Yes - for additional tasks you may use additional software or services,
but I do not
use a ready to use lucene index in Solr?
Stefan
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1: category=A text=john
Doc 2: category=B text=mary
Doc 3: category=B text=john
Doc 4: category=C text=mary
This is intended for search refinement (I use about 200 categories).
Sorry for hijacking this thread.
Stefan
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I think org.apache.lucene.search.highlight.Highlighter will do the job.
Stefan
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After 5 month work we are happy to announce the first developer
preview release of katta.
This release contains all functionality to serve a large, sharded
lucene index on many servers.
Katta is standing on the shoulders of the giants lucene, hadoop and
zookeeper.
Main features:
+ Plays wel
entToken.beginColumn="
+ e.currentToken.beginColumn);
}
System.out.println("message=" + e.getMessage());
}
}
}
==
Stefan
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Hello,
I used the setMaxFieldLength() and it works now thx all.
Doron Cohen wrote:
Stefan Colella wrote:
I tried to only add the content of the page where that expression can be
found (instead of the whole document) and then the search works.
Do i have to split my pdf text into more
aren't actually in your index? Can you elaborate on what
your analysis process is? Are you searching using the same Analyzer
as you are indexing with? I would try to isolate the problem down to
some unit tests, if possible.
Cheers,
Grant
On May 18, 2007, at 8:12 AM, Stefan Colella
Hello,
My application is working with PDF files so i use lucene with PdfBox to
create a little search engine. I am new to lucene.
All seemed to work fine but after some tests I saw that some expressions
like "stock option" where never found (or returns the wrong documents)
even if it exist i
It seems to me like a french stemmer is what you need instead of a fuzzy
query. What analyzer are you using for your documents and queries ?
-- Stefan
[EMAIL PROTECTED] wrote:
Hi!
I have a problem in dealing whith a fuzzy query in Lucene 2.1.0.
In order to explain my problem, I illustrate
I will be out of the office starting 02/03/2007 and will not return until
02/12/2007.
I will respond to your message when I return.
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I will be out of the office starting 12/21/2006 and will not return until
01/02/2007.
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underscores in filenames is not a solution because we have
many other fields
which can contain underscores. :(
Is there anybody who knows this problem or knows a solution for this?
thx in advance.
Stefan
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This makes perfect sense to me. Of course the hard part will be how to
extract the acronyms.
-- Stefan
Hannes Carl Meyer wrote:
Hi All,
I would like enable users to do an acronym search on my index.
My idea is the following:
1.) Extract acronyms (ABS, ESP, VCG etc.) from the given document
rd is used as a noun and
don't stem it therefore. But It would be interesting if a POS-Tagger can
distinguish between "Sucht" as nound and "sucht" as verb. But you could
give this a try.
stefan
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Grant Ingersoll wrote:
I believe there is a MoreLikeThis class floating around somewhere (I
think it is in the contrib/similarity package). The Lucene book also
has a good example, and I have some examples at
http://www.cnlp.org/apachecon2005 that demonstrate using term vectors
to do this
result if
the body isn't regarded at. But in the body the words are usually weighed lower
because it contains more words.
Hope this helps!
stefan
-Ursprüngliche Nachricht-
Von: Eric Jain [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 10. Januar 2006 07:32
An: java-user@lucene.apach
This is an other good reason for buying the book ultimately!
Thx
stefan
-Ursprüngliche Nachricht-
Von: Erik Hatcher [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 29. November 2005 15:57
An: java-user@lucene.apache.org
Betreff: Re: AW: Determine the index of a hit after using
Well, this depends, in case you have a small index just some million
documents that it make no sense.
But in case you have some hundred millions documents and may use
distributed searching it makes a lot of sense.
Just check ehcache.sf.net i found it very useful.
HTH
Stefan
Am 29.11.2005 um
I've done this in the same way every document contains a field with the
corresponding index. I fear there is no other way to do this.
-Ursprüngliche Nachricht-
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 29. November 2005 14:48
An: java-user@lucene.apache.org
Be
Complutense de Madrid
- Mensaje original -
De: Stefan Gusenbauer <[EMAIL PROTECTED]>
Fecha: Jueves, Noviembre 17, 2005 6:08 pm
Asunto: Wordnet JWLN
For my index i want to check if a word is a noun, is this possible
with
the wordnet package which can be found under lucene contrib
For my index i want to check if a word is a noun, is this possible with
the wordnet package which can be found under lucene contributions or
does anyone knows a good tutorial or documentation for
http://jwordnet.sourceforge.net/ ?
Thanks
Stefan
No! Porting nutch in general makes no sense.
Since nutch is not a library as lucene but a complete ready to use
application you can download and start.
There is a kind of 'webservice' (open search rss) to be able to
integrate nutch search results in third party applications.
Stef
n the computation.
So my questions are:
Is this the only way to do so? ( I hope so not)
Is there an add on for lucene to get a real vector representation?
Does anyone has experiences with this issue?
Thanks
Stefan
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Gusenbauer Stefan wrote:
>I've searching trough the archives but is there a way to get the
>document number for a specific document? I would need it for the Method
>getTermFreqVector of IndexReader? For deleting I've saved a unique ID
>Field to delete the documents but
I've searching trough the archives but is there a way to get the
document number for a specific document? I would need it for the Method
getTermFreqVector of IndexReader? For deleting I've saved a unique ID
Field to delete the documents but how I get the document number?
tha
Patricio Galeas wrote:
>Hello Ben,
>It happens when one of the documents [4.95 MB] is indexed.
>I use the framework to index office documents from the book "Lucene In
>Action". I think the PDDocument objects are closed correctly.
>
>I'll look for more information about increasing the heap size.
>
BTW, there are some cool free ad servers available as open source...
Am 25.10.2005 um 09:14 schrieb Sam Lee:
Hi,
My network is designed to have a bunch of advertisers
to enter their ads with keywords. I think of using
mysql to store those, and then use lucene and part of
nutch to index them fr
hen # of query is 1 only. Huge difference!
Any idea how to accomplish this?
--- Stefan Groschupf <[EMAIL PROTECTED]> wrote:
Index the keywords of your ads with lucene.
Extract all words from your page (ajax), remove stop
words, build a
query from the page words by connect the words with
number.
HTH
Stefan
Am 23.10.2005 um 18:39 schrieb Sam Lee:
ok, I am implementing a google adsense/adwords-like
system. For examples, the website has keywords "nike
red shoe", so it can match text ad with keywords "nike
shoe -blue". Of course, I can always use the text ad
k
Does anyone have experiences with relevance feedback and lucene or just
knows some good websites?
thx
stefan
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t;>>
>>>http://www.altheim.com/lit/robnworm.html
>>>
>>>
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>>>
>>>
>>>
>>>
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>>
>>
>>
>>
>
>
>
>
I've had such a long lasting search too. I sounds good to start the
search in another thread. I've done this for the indexing procedure.
This is started in another thread and the gui will be informed when
indexing is performed. If the user will stop it he has to click on a
button stop and then an event is send to the indexerthread. The
indexerthread stops if he reaches a safe point. Surely this is for
indexing but I think this would work for searching also.
stefan
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Sorry for that offtopic message but does anyone has experiences with the
aslib cranfield test collection or does anyone know where i can get it?
thanks in advance
stefan
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Olivier Jaquemet wrote:
> Gusenbauer Stefan wrote:
>
>> I think nutch uses ngramj for language classification but i don't know
>> what type of saving language information they use. In our application
>> for example i save the language in an extra field in the
annot find any
>discussion
>about multiple language on the ML archive. I even did Google! :-) Or
>maybe I
>was giving the keywords in the wrong language? :-)
>
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&g
this field was
indexed."
HTH
Stefan
Am 07.08.2005 um 19:05 schrieb Riccardo Daviddi:
I don't know where I am wrong...
I just do this:
IndexWriter writer = new IndexWriter(indexDir, new StandardAnalyzer(),
!IndexReader.indexEx
he garbage collector. Then I do some
reinitializing and continue indexing.
Looks easy but it wasn't. How do I check if i will run out of memory?
Runtimeclass and its methods for getting information about the free
memory were very unreliable.
Therefore I changed to Java 1.5 and implemented a memorynotification
listener which is support by the java.lang.management package. There you
can adjust a threshold when you should be informed. After the
notification I perform a "save".
Hope this will help you
Stefan
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Erik Hatcher wrote:
>
> On May 27, 2005, at 12:14 PM, Gusenbauer Stefan wrote:
>
>> Max Pfingsthorn wrote:
>>
>>
>>> Hi!
>>>
>>> Thanks for the reply. I figured already that fields are actually
>>> not tokenized... I lost trac
>in the field are not... I guess I have to do that manually during indexing? Or
>is there some nicer way?
>
>
I think this is not a problem. This should be done automatically when
you make a case insensitiv search so that you don't have to think about
it. If it should become a
Max Pfingsthorn wrote:
>Hi!
>
>In my application, I index some strings (like filenames) untokenized, meaning
>via
>
>doc.add(new Field(FIELD,VALUE,false,true,false));
>
>When I later take a look at it with Luke, I still get tokens of the filenames
>(like "news" instead of "news-item.xml") in the
Andrew,
the solution for RangeQueries will work for WildcardQueries as well.
see:
http://wiki.apache.org/jakarta-lucene/
LuceneFAQ#head-06fafb5d19e786a50fb3dfb8821a6af9f37aa831
HTH
Stefan
Am 23.05.2005 um 21:26 schrieb Andrew Boyd:
Hi All,
I have an index with 4811 documents each of which
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>
>
I would be very interesting to hear/read more about the
compass::semantics how this will be realized. I don't mean the code I
mean the models behind (like rdf ont
erharps you've only put
them into apostrophs like this " if you instanciate the Queryparser you
can specifiy which Boolean operand should be used if no operand is
given. With query.toString() you get the query in an human readable
format for with + for and and so on.
stefan
---
Peter Veentjer - Anchor Men wrote:
>How can I find all documents with a field (the value doesn`t matter).
>
>I have tried:
>Query query = new TermQuery(new Term(AbstractBaseDoc.FIELD_INDEX_ERROR,""));
>
>
>But this never finds results. The field with name FIELD_INDEX_ERROR has been
>of type U
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>
>
>
>
>
try to check the modifiers of the main method and of the Document1
method they should be static I think. By the way a better approach would
be you rename the Document1 Method to Document (over
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