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104 discussions - 480 posts

  • I hope this isn't a dumb question or anything, I'm fairly new to Lucene so I've been picking it up as I go pretty much. Without going into too much detail, I need to store pages of text, and for each ...
    Greg ShacklesGreg Shackles
    Nov 12, 2008 at 3:48 pm
    Nov 28, 2008 at 11:34 am
  • Hi, I'm pretty new to Lucene, so please bear with me if this has been covered before. The wiki suggests sharing a single IndexSearcher between threads for best performance ...
    Dmitri BichkoDmitri Bichko
    Nov 11, 2008 at 10:00 pm
    Nov 19, 2008 at 6:15 pm
  • Hi, I¹m wondering if there is any easy technique to number the terms in an index (By number I mean map a sequence of terms to a contiguous range of integers and map terms to these numbers ...
    Tim SturgeTim Sturge
    Nov 7, 2008 at 8:29 pm
    Nov 19, 2008 at 8:22 pm
  • Howdy, I have a couple of questions regarding some Lucene benchmarking and what the results mean[3]. (Skip to the numbered list at the end if you don't want to read the lengthy exegesis :) I'm a ...
    Justus PendletonJustus Pendleton
    Nov 3, 2008 at 3:43 am
    Nov 5, 2008 at 9:48 pm
  • I'm interested in comments on the following problem. I have a set of documents. They fall into 3 categories. Call these categories A, B, and C. Each document has an indexed, non-tokenized field ...
    Scott SmithScott Smith
    Nov 7, 2008 at 12:43 am
    Nov 11, 2008 at 1:48 pm
  • Hi everybody: I need to make search with lucene 2.3.2, taking in account the dates, previously when I build the index I create a date field where I stored the year in which the document was created, ...
    Nov 19, 2008 at 4:03 pm
    Dec 18, 2008 at 2:26 pm
  • In 2.4, as well as IndexWriter.deleteDocuments(Term) there is also IndexReader.deleteDocuments(Term). I understand opening a reader is expensive, so does this means using IndexWriter.deleteDocuments ...
    Antony BowesmanAntony Bowesman
    Nov 25, 2008 at 5:54 am
    Dec 2, 2008 at 6:42 am
  • Hi. apologies for the off-topic question. I was wondering if anyone knew of a open source solution (or a pointer to the algorithms) that do the reverse of lucene. By that I mean store a whole lot of ...
    Ian HolsmanIan Holsman
    Nov 23, 2008 at 3:58 am
    Nov 23, 2008 at 10:26 pm
  • Hi, I recently saw activity on LUCENE-831 (Complete overhaul of FieldCache API/Implementation) which I have interest in. I posted previously on this with my concern that given the current default ...
    Nov 14, 2008 at 5:49 pm
    Nov 15, 2008 at 3:07 pm
  • Hi, what is the best to transform the german umlaute ö,ä,ü,ß into oe, ae, ue, ss during the process of analyzing? Thanks, Sascha Fahl Softwareentwicklung evenity GmbH Zu den Mühlen 19 D-35390 Gießen ...
    Sascha FahlSascha Fahl
    Nov 18, 2008 at 12:08 pm
    Nov 28, 2008 at 12:02 pm
  • Hi, Does Lucene support Scoped Searches? My intention is to index an XML String and search for a matching element/attribute value from that XML by specifying scope(path). Also is there any direct ...
    Bapat, MayurBapat, Mayur
    Nov 14, 2008 at 6:40 am
    Nov 25, 2008 at 1:59 pm
  • Hi gang, I am trying to trace the 2.4 API to create an InstantiatedIndex, but its rather difficult to connect directory,reader,search,index etc just reading the javadocs. I have a (POI - plain old ...
    Darren GovoniDarren Govoni
    Nov 16, 2008 at 3:41 pm
    Nov 19, 2008 at 2:45 am
  • Hello, I am a beginner on using lucene. We developed an application to create and search index using lucene 2.3.1. We would like to know how to estimate how much memory is required to support the ...
    Zhibin MaiZhibin Mai
    Nov 16, 2008 at 1:37 pm
    Nov 18, 2008 at 2:16 pm
  • Hello: I am new to LUCENE and I am testing some issues about it. I can retrieve the number of documents which satisfies a query, but I don't find how to obtain the number of terms which match it. For ...
    "Fco. Mario Barcala" Rodríguez"Fco. Mario Barcala" Rodríguez
    Nov 12, 2008 at 7:31 pm
    Nov 16, 2008 at 1:37 am
  • Hello Friends, 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.: Query 'attName:myTerm' = ...
    Christian ReuschlingChristian Reuschling
    Nov 12, 2008 at 2:03 pm
    Nov 13, 2008 at 12:45 pm
  • Hello, I wanted to know if there are classes in Lucene that support parsing MSWord documents. Many thanks, Dipesh ---------------------------------------- "Help Ever Hurt Never"- Baba
    Nov 12, 2008 at 3:38 am
    Nov 12, 2008 at 3:09 pm
  • I am narrowing down this problem that I have had for a week now... I am using lucene version 2.3.1 and 64 bit java versio 1.5.0-12-b04 running on Linux box. We are merging indexes every 60 seconds ...
    Nov 3, 2008 at 4:08 pm
    Nov 5, 2008 at 6:09 pm
  • We use Lucene at our library for indexing from different sources into the same logical index. The sources are very diverse and are prioritized differently at index-time with document boosts. However, ...
    Toke EskildsenToke Eskildsen
    Nov 26, 2008 at 3:52 pm
    Dec 3, 2008 at 10:23 am
  • Hello I want to ask community an advice: what is the best way to index and search java.math.BigDecimal values in lucene 2.4. Any code snippets are welcome. Sergey Kabashnyuk eXo Platform SAS ...
    Sergey KabashnyukSergey Kabashnyuk
    Nov 20, 2008 at 2:11 pm
    Nov 22, 2008 at 9:02 pm
  • Hello, I used an Analyzer which removes stopwords when indexing, then I wanted to do an AND search using MultiFieldQueryParser. So I did this: word1 AND stopword AND word2 I thought the stopword ...
    Rafael Cunha de AlmeidaRafael Cunha de Almeida
    Nov 13, 2008 at 5:00 am
    Nov 17, 2008 at 11:32 pm
  • Hi, I am simple question. I want a string to be indexed, but stored part of that string. For example, if my string is "foo bar", I want to index whole string("foo bar") but store the first 3 ...
    Ravi LRavi L
    Nov 14, 2008 at 7:50 am
    Nov 14, 2008 at 9:54 pm
  • In the FAQ's it says that you have to do a manual incremental update: How do I update a document or a set of documents that are already indexed? How do I determine the existing document that matches ...
    Nov 10, 2008 at 7:23 pm
    May 15, 2009 at 6:04 am
  • HI All, I am indexing a set file type (html, js,jsp,xml etc). All the file type have a common field called as text. This field contains all the file data. Can I have different analyzer for depending ...
    Allahbaksh Mohammedali AsadullahAllahbaksh Mohammedali Asadullah
    Nov 25, 2008 at 3:40 pm
    Nov 26, 2008 at 1:55 pm
  • Hello, I am designing an index in which one url corresponds to one document. Each document also contains multiple parallel repeating fields. For example: Document 1: url: http://www.cnn.com/ ...
    Mark FergusonMark Ferguson
    Nov 18, 2008 at 5:49 pm
    Nov 19, 2008 at 8:16 am
  • Hi@all I am searching for a solution to make the Highlighter run property in combination with phrase queries. I want to highlight text with a phrase query like "windows printserver", the following ...
    Sertic Mirko, BedagSertic Mirko, Bedag
    Nov 10, 2008 at 1:26 pm
    Nov 10, 2008 at 3:03 pm
  • I'm using BoostingTermQuery to boost the score of documents with terms containing payloads (boost value 1). I'd like to change the scoring behavior such that if a query contains multiple ...
    Peter KeeganPeter Keegan
    Nov 4, 2008 at 2:43 pm
    Nov 7, 2008 at 6:33 pm
  • Hi, I'm trying to use the boolean filter, because after a search I want to show documents with a determinate code. codisFiltre="XX07_04141_00853#XX06_03002_00852#UX06_07019_02994" String[] codi ...
    Albert JuheAlbert Juhe
    Nov 25, 2008 at 11:42 am
    Nov 27, 2008 at 10:03 am
  • Hello, I'm a newbie with Lucene and I started some testing with a small Web Application with Lucene 2.4.0 and Hibernate Search 3.0.0. The test with the Standard Analyser were successful, but when i ...
    Claudia SantosClaudia Santos
    Nov 24, 2008 at 1:19 pm
    Nov 24, 2008 at 2:05 pm
  • Hi all, I am wondering if the raw scores obtained from HitCollector can be used to compare relevance of documents to different queries? E.g. two phrase queries are issued : (PQ1: "Barack Obama" and ...
    Ng VinnyNg Vinny
    Nov 18, 2008 at 5:04 pm
    Nov 20, 2008 at 2:05 pm
  • Hello all, I am using version 2.4. The following code throws AlreadyClosedException IndexReader reader = searcher.getIndexReader(); IndexReader newReader = reader.reopen(); if (reader != newReader) { ...
    Nov 18, 2008 at 10:57 am
    Nov 19, 2008 at 5:23 am
  • Hi! Since Filter.bits() is deprecated and replaced by getDocIdSet() now I wonder how I am supposed to combine (AND) filters (for facets). I worked around this issue by extending Filter and let ...
    Timo NentwigTimo Nentwig
    Nov 8, 2008 at 6:06 pm
    Nov 9, 2008 at 11:25 am
  • Hi I am new to Lucene and working on a search module for some XML data: I need to provide a "search all" able to look in all xml fields. Apparently Lucene (2.4.0) does not provide such a "search all" ...
    Nov 6, 2008 at 9:19 am
    Nov 8, 2008 at 9:43 pm
  • hi. I have a question :) In lucene 2.3.X I did use Sort class like this.. Sort sort = new Sort("FIELDNAME", true); Hits hits = searcher.search(query, sort); but, in lucene 2.4.0 search(Query, Sort) ...
    Nov 5, 2008 at 10:07 am
    Nov 6, 2008 at 2:24 am
  • Hello all, My index application is a separate process and my search application is part of web ui. When User performs delete, i want to do mark for deletion. I think i have no other option other than ...
    Nov 25, 2008 at 10:01 am
    Dec 1, 2008 at 8:44 am
  • Below is a document in lucene ---------------------------------------------- ID : 1 110_a : library information ---------------------------------------------- Case 1: Term term1 = new Term("110_a", ...
    Nov 27, 2008 at 1:47 pm
    Nov 28, 2008 at 9:10 pm
  • I am using Lucene v2.4. I am indexing files from various folder and i have to maintain a bookmark of what i have last indexed in each folder. Initially i thought to save the state in each respective ...
    Nov 28, 2008 at 12:10 pm
    Nov 28, 2008 at 1:36 pm
  • Hi, Below is a document in lucene --------------------------------------------- Field Value --------------------------------------------- ID:1 110_a:library and information ...
    Nov 26, 2008 at 9:48 am
    Nov 28, 2008 at 10:11 am
  • Hi, Look at this google query : http://www.google.fr/search?q=%22HOW+at+at+of+a+A+a%22 What do you think about that concerning stop words? Google has no stop words? David. ...
    David CausseDavid Causse
    Nov 27, 2008 at 1:34 pm
    Nov 27, 2008 at 2:01 pm
  • Hi, I have a query regarding the sorting techniques in the lucene i.e if i apply the sort method to the search results, lucene is sorting the results by, without ignoring case, so, how to apply the ...
    Nov 21, 2008 at 5:57 am
    Nov 25, 2008 at 12:40 am
  • Hi all, After reading the FAQ I have a question regarding the use of multiple indexes and thus IndexSearches on the one server. I work on ecommerce websites and am looking at replacing our current ...
    Henrik AxelssonHenrik Axelsson
    Nov 24, 2008 at 2:33 am
    Nov 24, 2008 at 3:43 am
  • I would like to store a set of keywords in a single field of a document. for example I have now three keywords: "One", "Two" and "Three" and I am going to add them into a document. At first, is this ...
    T. H. LinT. H. Lin
    Nov 18, 2008 at 5:37 pm
    Nov 20, 2008 at 7:17 pm
  • On an index of around 20 gigs I've been seeing a performance drop of around 35% after upgrading to 2.4 (measured on ~10000 requests identical requests, executed in parallel against a threaded lucene ...
    Nov 19, 2008 at 2:39 am
    Nov 19, 2008 at 4:53 pm
  • Pekka NykyriPekka Nykyri
    Nov 18, 2008 at 3:13 pm
    Nov 19, 2008 at 1:52 pm
  • Hi, In my index, there is a field called timestamp which is long value of date. I am trying to get sort all documents by timestamp and get N documents. I am trying to find a way to create a query ...
    Cool The BreezerCool The Breezer
    Nov 10, 2008 at 6:22 am
    Nov 16, 2008 at 10:28 am
  • PhraseQuery requires all the terms in the phrase exists in the field being searched. I am looking for a more permissible version of PhraseQuery which is sensitive to the order of the terms but allows ...
    Teruhiko KurosakaTeruhiko Kurosaka
    Nov 14, 2008 at 4:41 pm
    Nov 14, 2008 at 5:58 pm
  • Hi all, I'm happy to announce that the new release of Luke - the Lucene Index Toolbox - is available for download (or WebStart use) here: http://www.getopt.org/luke Changes in v. 0.9: ...
    Andrzej BialeckiAndrzej Bialecki
    Nov 14, 2008 at 1:54 am
    Nov 14, 2008 at 11:02 am
  • Hello, I have been going through the scoring documentation and code. I had the expectation that Lucene would enforce a score value between [0,1]. But from what I can grasp from the code and docs, ...
    Francisco BorgesFrancisco Borges
    Nov 6, 2008 at 10:51 am
    Nov 10, 2008 at 3:02 pm
  • The sample code uses a ScoreDoc array to hold the hits. ScoreDoc[] hits = collector.topDocs().scoreDocs; But the JavaDoc says "Expert: Returned by low-level search implementations." Why would the ...
    Nov 9, 2008 at 10:28 pm
    Nov 9, 2008 at 11:05 pm
  • I'm upgrading from a very old version of lucene to 2.4 I tried to research all the possible changes, this included reading the change file from the 2.4 version, which appears to reach back through ...
    Nov 7, 2008 at 9:39 pm
    Nov 9, 2008 at 10:23 pm
  • Hello, I'm writing my first JSP application, so this may be too much of a newbie question, in which case I hope you can refer me to documentation which can help me out. How do I keep only one ...
    Rafael Cunha de AlmeidaRafael Cunha de Almeida
    Nov 8, 2008 at 1:05 am
    Nov 9, 2008 at 8:25 am
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126 users for November 2008

Michael McCandless: 42 posts Erick Erickson: 26 posts Mark Miller: 25 posts Grant Ingersoll: 12 posts Greg Shackles: 11 posts Rafael Cunha de Almeida: 11 posts ChadDavis: 10 posts Ian Lea: 10 posts Paul Elschot: 9 posts Ganesh: 8 posts Karl Wettin: 8 posts Teruhiko Kurosaka: 8 posts Yonik Seeley: 8 posts Chris Hostetter: 7 posts Otis Gospodnetic: 7 posts Tim Sturge: 7 posts Anshum: 6 posts Naveen.quill: 6 posts Stefan Trcek: 6 posts Christian Reuschling: 5 posts
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