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76 discussions - 368 posts

  • Hi, I'm doing some performance profiling of a Nutch installation, working with relatively large individual indexes (10 mln docs), and I'm puzzled with the results. Here's the listing of the index: ...
    Andrzej BialeckiAndrzej Bialecki
    Dec 2, 2005 at 11:54 am
    Dec 15, 2005 at 3:06 am
  • Hi, I got a strange exception "More than 32 required/prohibited clauses in query" in using Boolean Query Is there any way to avoid it ? Thanks in advance Alexander Kiselevski The information ...
    Alex KiselevskiAlex Kiselevski
    Dec 27, 2005 at 2:49 pm
    Dec 28, 2005 at 7:41 am
  • Hi, Suppose I have a query like this: +attachments:purpose that returns N hits. If I add another condition +attachments:purpose +attachments:"hello world" I still get some hits, but if the words in ...
    Javier muguruzaJavier muguruza
    Dec 15, 2005 at 10:41 am
    Dec 20, 2005 at 10:24 pm
  • Hi, We are using lucene v1.4.3 for some time, in general it is working well. We often try to search multiple collections at the same time, so we are using ParallelMultiSearcher, but sometimes we got ...
    Zhang, LishengZhang, Lisheng
    Dec 1, 2005 at 8:29 pm
    Dec 23, 2005 at 8:14 am
  • I am trying to construct, via individual query api, a query to search for documents with a field name of "Category" and a value of either "Category1" OR "Category2" (or both). My code to do this ...
    Alan ChandlerAlan Chandler
    Dec 7, 2005 at 7:39 am
    Dec 8, 2005 at 8:30 am
  • Any one planning on going to ApacheCon next week? I will be giving a talk on Lucene on Monday afternoon at 3pm on term vectors, span queries and some case studies from our work at CNLP with Lucene. ...
    Grant IngersollGrant Ingersoll
    Dec 9, 2005 at 2:31 pm
    Dec 27, 2005 at 11:45 am
  • Hi, If I run a query like this: -(-body:angel) -(-body:darpa) I get 0 hits. As I did not find any thread about that case, I though ANDing with a MatchAllDocsQuery would return my desired set (all ...
    Javier muguruzaJavier muguruza
    Dec 20, 2005 at 5:42 pm
    Dec 21, 2005 at 4:21 am
  • Hi, I have a requirement to highlight search keywords in the results and display the matching fragment of the text with the results. I am using the Hits highlighting mentioned in Lucene in Action. ...
    Harini RaghavanHarini Raghavan
    Dec 30, 2005 at 5:05 pm
    Jan 4, 2006 at 3:28 pm
  • Hallo, in my index every document consistsof multiple fields like url,contents,description etc.I want to search for documents in the url and the contents field. My problem is that the constructor of ...
    GastonGaston
    Dec 29, 2005 at 12:53 pm
    Dec 30, 2005 at 12:37 am
  • Hi, What is the difference between following approaches? Approach1 1) open IndexWriter and index documents 2) optimize the indexWriter and close the indexWriter 3) open the IndexReader and delete ...
    Dan LiuDan Liu
    Dec 8, 2005 at 4:20 pm
    Dec 8, 2005 at 8:37 pm
  • I have been experimenting with a couple of HTML parsers, primarily to compare performance, but have discovered a difference in the index for which I haven't, with assurance discovered the cause. The ...
    Robert WatkinsRobert Watkins
    Dec 13, 2005 at 5:09 pm
    Jan 16, 2007 at 7:58 pm
  • HI all. I am a newbie to Lucene.. Could we do indexing and deleting a document on the same file simultaneously ? Do lucene provide such options to carry out the tasks? Any Help is greatly appreciated ...
    K.A.Hussain AliK.A.Hussain Ali
    Dec 27, 2005 at 8:49 am
    Dec 27, 2005 at 9:18 pm
  • Hi All, When using Searcher.search(Query, Filter), and I use my own custom filter, it appears I'm presented with /all/ the documents in the index, i.e. in the method bits(IndexReader reader) from my ...
    Cret HumminCret Hummin
    Dec 17, 2005 at 4:05 pm
    Dec 19, 2005 at 12:29 am
  • Hi, I've been asked whether we can do a Top n Searches functionality where we record the most common searched for phrases on a daily basis. I'm not sure where to start with this or even if this is ...
    Paul WilliamsPaul Williams
    Dec 8, 2005 at 8:45 am
    Dec 14, 2005 at 8:12 pm
  • Hi-- I'm relatively new to Lucene. When I run my app, I get a JVM error. This gets called a lot, but only fails every once in awhile (maybe 1 in 100 calls?) I filed a report with Sun, but I don't ...
    Dan GouldDan Gould
    Dec 9, 2005 at 2:32 am
    Dec 11, 2005 at 4:01 pm
  • Hi, all! I have a question concerning analysis and highlighting. I'm indexing multiple document formats (up to now, only html and pdf occured, and use the highlighter from the Lucene sandbox. The ...
    Sonja LöhrSonja Löhr
    Dec 8, 2005 at 9:25 am
    Dec 8, 2005 at 8:08 pm
  • I am back to doing something with Lucene after a short break from it. I am trying to index/search hyphenated words, and retrieve them from a token stream. 1. I modified the StandardTokenizer.jj file. ...
    Beady GeraghtyBeady Geraghty
    Dec 7, 2005 at 6:36 pm
    Dec 8, 2005 at 5:42 pm
  • Hi, I am new to lucene. We need to provide search to several users of a system. Each user has access to a (different)set of documents. The same document might be accessible by different users. I want ...
    MuraliMurali
    Dec 21, 2005 at 5:33 pm
    Dec 25, 2005 at 8:16 pm
  • hi all, im new to lucene. i have an xml with repeating tags.something like : <a <p x</p <p xx</p <p xxx</p <p xxxx</p </a I add the "p" field as follows: myDocument.add(Field.Text("p", "x")); ...
    Reza GhaffaripourReza Ghaffaripour
    Dec 7, 2005 at 8:50 am
    Dec 7, 2005 at 4:17 pm
  • This is very mysterious I have check my parser and I'm returned body:<token . My analyzer during indexing returns <token in the token stream. But when I perform my search no results are found. Is ...
    Combs, CraigCombs, Craig
    Dec 5, 2005 at 1:21 pm
    Dec 5, 2005 at 7:41 pm
  • I'm attempting to compile Lucene with some sandbox code -- specifically the Berkely DB index storage -- and I'm running into and issue where the code is attempting to import IndexInput (apparently ...
    Colin YoungColin Young
    Dec 31, 2005 at 3:21 pm
    Jan 3, 2006 at 2:54 am
  • Hi, I want to create a boolean query like: 'book' AND ( 'fred' OR 'ginger') Anyone know how I can do the above in a BooleanQuery. I tried this: but it does not work. TermQuery t1 = new TermQuery(new ...
    Steven PannellSteven Pannell
    Dec 28, 2005 at 4:49 pm
    Dec 29, 2005 at 7:19 am
  • Hello! I'm new in the ML and in the Lucene world in general... :) I re-installed JDK after a very long period in order to start using Lucene but I had problems after few minutes I finished installing ...
    Federico CarbonettiFederico Carbonetti
    Dec 26, 2005 at 11:31 pm
    Dec 27, 2005 at 6:35 pm
  • Hi, I know that lucene index takes a directory of files to be indexed and builds the index. Now is there a way to specify the number of files from the directory to be indexed? I mean if I have a ...
    PraveenlPraveenl
    Dec 19, 2005 at 12:52 am
    Dec 20, 2005 at 12:37 am
  • This puzzle has been bugging me for a while; I'm hoping there's an elegant way to handle it in Lucene. DATA DESCRIPTION: I've got an index of over 100,000 Documents. In addition to other fields, each ...
    Mr PlateMr Plate
    Dec 16, 2005 at 1:17 am
    Dec 16, 2005 at 3:58 pm
  • Hi, I am trying to add some fields to lucene and I heard that adding int values are going to give much faster retrieval than adding to String values. So I want to add int values to document . But ...
    RaviRavi
    Dec 12, 2005 at 1:09 pm
    Dec 14, 2005 at 11:50 am
  • Hi, I was wondering if there is a standard way to retrive documents WITHOUT scoring and sorting them. I need a list of documents that contain certain terms but I do not need them sorted or scored. ...
    John PattersonJohn Patterson
    Dec 6, 2005 at 7:47 pm
    Mar 17, 2006 at 2:01 pm
  • Hi all, my index file is huge because of large set of data. when I do search, I get outofmemory exception sometime. I don't know what's usually causing the outofmemory exception. Is it during the ...
    Jeff LiangJeff Liang
    Dec 16, 2005 at 11:22 pm
    Dec 17, 2005 at 5:26 am
  • Hello, I have a 6GB index consisting of about 4M documents, each with 2 fields. The index built fine and then I optimized it. Whenever I try to open the index, though, the jvm crashes saying it has ...
    Chandler burgessChandler burgess
    Dec 15, 2005 at 6:31 pm
    Dec 15, 2005 at 9:04 pm
  • I'm trying to integrate lucene with hibernate 3 in my tapestry CMS following the interceptor method (the second one in http://www.hibernate.org/138.html) I run into two different problems: 1. ...
    Raul Raja MartinezRaul Raja Martinez
    Dec 10, 2005 at 7:11 am
    Dec 13, 2005 at 4:48 pm
  • What would be the best practice storing the index in a webapp. I mean in wich folder? Thanks. Raul. --------------------------------------------------------------------- To unsubscribe, e-mail: ...
    Raul Raja MartinezRaul Raja Martinez
    Dec 10, 2005 at 1:00 pm
    Dec 11, 2005 at 4:40 pm
  • Hi, I'm running an index on FSDirectory with 0.4M documents with each of 7 fields. When I open an IndexReader and an IndexSearcher, the average search time with hits of 0.2M items (yeah, very common ...
    Cheolgoo KangCheolgoo Kang
    Dec 11, 2005 at 5:11 am
    Dec 11, 2005 at 7:35 am
  • Hi there, is these any online tutorial which explains how to use the lucene that is Starting from installing lucene to develop a simple application that searches a simple text file.Any advice is ...
    Srinivas JadcharlaSrinivas Jadcharla
    Dec 9, 2005 at 5:02 pm
    Dec 9, 2005 at 6:03 pm
  • Hi, Is there any way to get the similarity scores for each document in the index? I can iterate thru each doc in the index using the IndexReader but not sure how to get the similarity score for that ...
    Eugene EzekielEugene Ezekiel
    Dec 7, 2005 at 9:03 am
    Dec 7, 2005 at 3:20 pm
  • Hi, I am working on a search project using Lucene and currently I am working on parsing PDF documents. I was successful in implementing my parser using Lucene and PDFBox. I have a doubt on how to ...
    Shyam BhaskaranShyam Bhaskaran
    Dec 29, 2005 at 10:17 am
    Dec 29, 2005 at 12:02 pm
  • I am periodically getting "Too many open files" error when searching. Currently there are over 500 files in my Lucene directory. I am attempting to run optimize( ) to reduce the number of files. ...
    Steve RajavuoriSteve Rajavuori
    Dec 22, 2005 at 9:48 pm
    Dec 23, 2005 at 6:55 am
  • hi.. I would like to know how to index database tables using Lucene. I am novice in using Lucene and appreciate generous help and thorough guidelines as how and where to start in order to make Lucen ...
    ShreeyaShreeya
    Dec 18, 2005 at 7:15 am
    Dec 18, 2005 at 6:50 pm
  • Hello All, We've been using Lucene here and like it, but we've been asked to look into another engine also (Dieselpoint). Has anyone used both Dieselpoint and Lucene. Any comments. We have a lot of ...
    Richard KrenekRichard Krenek
    Dec 15, 2005 at 2:20 pm
    Dec 16, 2005 at 6:47 pm
  • Hello and Good Day, In my application of Lucene, I am must search through some fields that contain numbers with very large ranges on the order of 150000 or so. Suppose I wanted to retrieve all ...
    Keegan CallinKeegan Callin
    Dec 11, 2005 at 6:38 am
    Dec 11, 2005 at 11:23 am
  • hi there are there any APIs which will index mysql databases and run periodically ? i have one more query: if i choose to search on multiple fields do i loose the advantage of fuzzy search and stuff ...
    Vasudeva RaoVasudeva Rao
    Dec 10, 2005 at 6:55 am
    Dec 10, 2005 at 8:56 am
  • I am slowly making may way through lucene, as witnessed by earlier threads to this mailing list. But I am stuck again, going round in circles with the Javadocs. I want to display the results of a ...
    Alan ChandlerAlan Chandler
    Dec 9, 2005 at 8:19 pm
    Dec 10, 2005 at 6:38 am
  • I added a date field to a document with doc.add(Field.keyword("A Date",myDate)); How do I get it back out again as a date? -- Alan Chandler http://www.chandlerfamily.org.uk Open Source. It's the ...
    Alan ChandlerAlan Chandler
    Dec 6, 2005 at 9:36 am
    Dec 6, 2005 at 10:20 am
  • In one of the Google Labs whitepapers ( http://labs.google.com/papers/mapreduce-osdi04.pdf), a programming construct known as MapReduce is used in a variety of jobs/tasks within Google's operation. ...
    Jeff RodenburgJeff Rodenburg
    Dec 3, 2005 at 6:26 pm
    Dec 4, 2005 at 10:05 pm
  • All, I have created a Lucene index from data in a SQL Server db. When I conduct a Lucene search, I get back in the hits the primary key (WorkID) and the scores associated with the hits. Then using ...
    George AbrahamGeorge Abraham
    Dec 2, 2005 at 11:58 pm
    Dec 3, 2005 at 12:39 am
  • Hello lucene members, i hve tried indexing n searching n it works properly.Now i want to use Highlighter class in my search class for highlighting terms.But when i call this class or import this ...
    Revati joshiRevati joshi
    Dec 28, 2005 at 8:45 am
    Dec 28, 2005 at 1:23 pm
  • Good evening everyone, So, I apologize if this question has a simple answer (although I hope it does). I am trying to apply a filter to an IndexReader, so that the reader can only see documents that ...
    Eric SchulteEric Schulte
    Dec 28, 2005 at 2:18 am
    Dec 28, 2005 at 1:13 pm
  • Hi erik and other gurus, I have some doubts over double quote queries (as it is) Suppose I search “lucene user forum” it should give correct continuous occurrence of full text , But if I search for ...
    M å n i s hM å n i s h
    Dec 27, 2005 at 8:27 am
    Dec 27, 2005 at 10:28 am
  • Hi all, Within our application it is possible for users to add reactions for files. It is a requirement that a search returns a file if the query matches the contents or a reaction. I think it would ...
    Daan de WitDaan de Wit
    Dec 15, 2005 at 5:09 pm
    Dec 22, 2005 at 6:46 pm
  • we are lucene users . we have performed indexing .we are stuck up with a problem how do we perform constant indexing (or updating the index) without manually running the indexing.class file. and ...
    Revati joshiRevati joshi
    Dec 21, 2005 at 9:21 am
    Dec 21, 2005 at 10:43 am
  • Hi All, I'm new to lucene and a have some questions according to the entire system. I) What is exactly written to the index? Is the index just an inverted list? Is there term weight scoring stored? ...
    KlausKlaus
    Dec 19, 2005 at 6:23 pm
    Dec 19, 2005 at 7:01 pm
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112 users for December 2005

Erik Hatcher: 48 posts Yonik Seeley: 21 posts Chris Hostetter: 17 posts Alan Chandler: 15 posts Dmitry Goldenberg: 10 posts Andrzej Bialecki: 8 posts Javier muguruza: 8 posts John Powers: 8 posts Grant Ingersoll: 7 posts Dave Kor: 6 posts Jeff Rodenburg: 6 posts Mordo, Aviran (EXP N-NANNATEK): 6 posts Alex Kiselevski: 5 posts Dan Funk: 5 posts Doug Cutting: 5 posts Gekkokid: 5 posts Mark harwood: 5 posts Michael D. Curtin: 5 posts Paul Elschot: 5 posts Beady Geraghty: 4 posts
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