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109 discussions - 363 posts

  • Hi all, The DSpace (www.dspace.org) currently uses Lucene to index metadata (Dublin Core standard) and extracted full-text content of documents stored in it. Now the system is being used globally, it ...
    Tansley, RobertTansley, Robert
    May 31, 2005 at 9:09 pm
    Jun 7, 2005 at 7:02 am
  • Hi, I'm working on a pretty typical web page search system based on lucene. Pretty much everything works great. However, I'm having one problem. I want to have a feature in this system where I can ...
    Doug HughesDoug Hughes
    May 29, 2005 at 12:30 pm
    Jun 21, 2005 at 6:13 am
  • I am working on a Document Management System where every document has an Access Control List attached to it. Obviously a search result should only consist of documents that may be viewed by the ...
    Markus WiederkehrMarkus Wiederkehr
    May 30, 2005 at 7:47 am
    Jun 4, 2005 at 11:07 pm
  • Firstly the Lucene in Action Book is great. It really helped me with implementing search for a project. Sorry if this is the wrong forum but as you are all search people. I wondered if you could ...
    Anna BingAnna Bing
    May 12, 2005 at 10:36 am
    May 24, 2005 at 1:37 pm
  • I have an index with a date field. I want to quickly find the minimum and maximum values in the index. Is there a quick way to do this? I looked at using TermInfos and finding the first one but how ...
    Kevin BurtonKevin Burton
    May 31, 2005 at 7:07 am
    Jun 7, 2005 at 4:35 pm
  • Hi, All, I use lucene highlight package to generate KWIC for our application. The part of the code is as following: ===================================================== if(text != null ){ ...
    YinjinYinjin
    May 5, 2005 at 12:13 am
    May 5, 2005 at 10:51 pm
  • Hi, We have a need to present HTML documents with all search terms highlighted. Everything I've seen regarding the Highlighter code seems to point to the typical case of extracting relevant fragments ...
    Fred TothFred Toth
    May 24, 2005 at 7:47 pm
    May 27, 2005 at 4:09 pm
  • First, I am new to Lucene. Is there anyone out there who has had trouble getting hits when running phrase queries against an index that contains content from PDF files. For PDF documents, I create ...
    Thomas X HobanThomas X Hoban
    May 25, 2005 at 8:59 pm
    May 25, 2005 at 11:29 pm
  • Hi, Anyone knows what is exactly Similarity.tf()? I understood it's term frequency on a document. Still, when I'm searching for a string a document contains, and the Explain().toString() shows tf=0. ...
    M. MokotovM. Mokotov
    May 24, 2005 at 1:51 pm
    May 25, 2005 at 8:21 am
  • 7

    NFS

    I was wondering about Lucene and NFS. The issue is with locking correct? In Lucene in Action it mentions. ... issues with lock files and NFS, choose a directory that doesn't reside on an NFS volume. ...
    Richard KrenekRichard Krenek
    May 18, 2005 at 1:50 am
    May 18, 2005 at 9:39 pm
  • 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 ...
    Max PfingsthornMax Pfingsthorn
    May 27, 2005 at 3:23 pm
    May 28, 2005 at 2:11 am
  • Hi! I was wondering if Lucene has any sort of functionality to distribute indices so that different fields are stored in separate indices but they still refer to the same document. This would be ...
    Max PfingsthornMax Pfingsthorn
    May 20, 2005 at 11:58 am
    May 21, 2005 at 8:01 am
  • Hi I catch the TooManyClauses Exception in my application, and when I show the exception message get null value. This behavior is bad I think, don't help to found cause of errors. Now I use ...
    Ernesto De SantisErnesto De Santis
    May 18, 2005 at 4:24 pm
    May 19, 2005 at 12:25 am
  • Hello, I'm having a tough time trying to get to the root of an exception I see sometimes on my Lucene 1.4.3 index. The exception is: java.lang.ArrayIndexOutOfBoundsException: 4 at ...
    Matt MagoffinMatt Magoffin
    May 5, 2005 at 7:26 pm
    May 8, 2005 at 8:07 pm
  • Hi Everyone, I've been searching the archive without success to answer this one: is it possible to specify one similarity class per field, just like we can do with an analyzer ? I know I can change ...
    Robichaud, Jean-PhilippeRobichaud, Jean-Philippe
    May 3, 2005 at 9:58 pm
    May 5, 2005 at 5:09 pm
  • Hi, I´m using lucene for 2 month and now I have a big problem. In my index are (for example) 4 documents which contains the word simone. The problem is that lucene does not find all documents by some ...
    Möckl SusanneMöckl Susanne
    May 20, 2005 at 9:04 am
    May 20, 2005 at 7:25 pm
  • Somebody asked about this today, and I just found this through Simpy: http://www.unine.ch/info/clef/ Scroll half-way through the page, look on the right side: 1,000 most frequent words for several ...
    Otis GospodneticOtis Gospodnetic
    May 12, 2005 at 7:59 am
    May 12, 2005 at 11:29 am
  • Hi all, Is it possible, with the RAMDirectory (or another Directory), to "flush" informations after each Document indexing ? I tried this but this "flush" appears to be able to be made after 2 ...
    Rifflard MickaëlRifflard Mickaël
    May 10, 2005 at 2:48 pm
    May 12, 2005 at 7:37 am
  • Hello, I just wanted to let everyone know that we've officially announced that the new SourceForge.net search system is based on Lucene. It's been in operation for over a month now and we're very ...
    Chris ConradChris Conrad
    May 25, 2005 at 7:40 pm
    May 29, 2005 at 10:32 am
  • Hi, I'm getting a TooManyClauses Exception when I try to query for a particular date range. I've around 4 million documents with 21 fields each. The fields to search into are determined by the user - ...
    Jayakumar.VJayakumar.V
    May 19, 2005 at 8:50 pm
    May 21, 2005 at 6:07 am
  • Hi all, I need to retrieve all terms from an specified field filtered for another field. For example, Document 1 - <contents, " document 1 content" <language, en Document 2 - <contents, " document 2 ...
    Albert VilaAlbert Vila
    May 18, 2005 at 3:19 pm
    May 19, 2005 at 9:06 pm
  • Hypothetically I have 100 million records. Each record has 100+ fields. Only 20 of those fields need to be searched on, the rest (including the 20) are just for display purposes. Would it be best to ...
    Richard KrenekRichard Krenek
    May 13, 2005 at 10:31 pm
    May 18, 2005 at 3:59 am
  • Hi, i'm trying to collect Documents whose (normalized) score is greater than a given threshold. But i don't know what is the smartest way to do so :) Do i have to subclass (Index)Searcher and ...
    Kai GülzauKai Gülzau
    May 10, 2005 at 3:09 pm
    May 17, 2005 at 7:07 pm
  • Hi, I have a project which will be used in order to supply automatic dictionary helps in different languages. I'm using Lucene for indexing, and searching the words in it. It is an open source ...
    Ahmet AksoyAhmet Aksoy
    May 11, 2005 at 10:01 pm
    May 12, 2005 at 8:19 am
  • Hi, I am starting my application in multi-threaded environment, could somebody show me any examples with serialize calls to the IndexWriter.addDocument(Document)? because my idea is to use ...
    Sodel Vazquez-ReyesSodel Vazquez-Reyes
    May 3, 2005 at 6:50 pm
    May 10, 2005 at 7:50 pm
  • Hi, " We are please to announce the initial release of Compass, a new concept in semantic Search Engine/Object Mapping (OSEM) technology. Compass is a Java framework, built on top of the Lucene ...
    Kimchy CompassKimchy Compass
    May 3, 2005 at 12:17 pm
    May 4, 2005 at 9:35 am
  • I'm building a search engine that searches multiple document fields by default. Given a query string like "Bruce Lee", I would expect the results list to first show the documents containing both ...
    Mike BaranczakMike Baranczak
    May 1, 2005 at 5:05 pm
    May 2, 2005 at 6:39 pm
  • Hi, Can someone please explain me how do I use the CachingWrapperFilter? I see that it's built in a decorator way (getting on the constructor another filter and decorate it with caching), still I ...
    M. MokotovM. Mokotov
    May 26, 2005 at 8:04 am
    Jun 2, 2005 at 5:08 pm
  • Hi All, Now that the QueryParser knows about position increments has anyone used this to do stemming at query time and not at indexing time? I suppose one would need a reverse stemmer. Given the ...
    Andrew BoydAndrew Boyd
    May 30, 2005 at 4:54 pm
    Jun 1, 2005 at 2:11 pm
  • I have a Document with about 15 fields. I only need two of them. How much faster would lucene be if I only fetched the two fields? Each field is a separate file and this would almost certainly slow ...
    Kevin BurtonKevin Burton
    May 28, 2005 at 9:11 am
    Jun 1, 2005 at 8:30 am
  • Here is the logical structure of the document I'm working with: The 'Document' has two fields: 'includes' - List of terms that provide positive boost 'excludes' - List of terms that provide negative ...
    Ryan SkowRyan Skow
    May 26, 2005 at 3:59 pm
    May 26, 2005 at 5:17 pm
  • Hi, I wanted to know what method would be the best way to do something that I am describing below. I am creating an index of all my products and categories. While indexing, I am creating the ...
    Mufaddal KhumriMufaddal Khumri
    May 20, 2005 at 10:37 pm
    May 21, 2005 at 8:46 am
  • Hi Lucene community, I'm facing a strange problem, that you'll probably understand as I'm only a newbie to Lucene. When I search "hotliner:such" I get a 0 result. ("such" gets the same) But when I ...
    JM TinghirJM Tinghir
    May 19, 2005 at 7:53 pm
    May 20, 2005 at 7:40 am
  • Hi, We have implemented a lucene search like this: registry = LocateRegistry.getRegistry(RMIAddress, RMIPort); searchables = new Searchable[] { (Searchable) registry.lookup(RMIIndexName)}; ...
    Lilja, BjornLilja, Bjorn
    May 10, 2005 at 3:06 pm
    May 11, 2005 at 9:25 pm
  • Context: our index is currently around 6 gig and takes about an hour just to optimize. Updating it, even in batches, can involve active updating for 15 or more minutes. Index updates are done with ...
    Naomi DushayNaomi Dushay
    May 10, 2005 at 8:45 pm
    May 11, 2005 at 3:00 pm
  • Hi guys, A friend just asked me for advice about synchronizing lucene indexes across a very large number of servers. I haven't really delved that deeply into this sort of stuff, but I've seen a ...
    Steven J. OwensSteven J. Owens
    May 5, 2005 at 6:29 am
    May 10, 2005 at 7:45 pm
  • Hi All, I'm wanting to do some range queries using latitude and longitude. I have numbers like so: long lat -84.65532 32.74212 What would be the best way to store this in lucene so I can do a range ...
    Andrew BoydAndrew Boyd
    May 8, 2005 at 4:26 pm
    May 8, 2005 at 5:49 pm
  • Hello all, I know that we can expand a word to get its synonyms with Wordnet. I was wondering if we could reduce the index size by including a synonym instead of a word on the synonym list. For ...
    Pablo Gomes LudermirPablo Gomes Ludermir
    May 4, 2005 at 9:39 pm
    May 5, 2005 at 2:44 pm
  • Hi, I suppose this question has been asking before but there is no way to search such a thing in the archive. Anyway, I need to merge to different type of search but I am not really sure that the ...
    Bertrand VENZALBertrand VENZAL
    May 12, 2005 at 7:57 am
    Aug 22, 2005 at 11:07 pm
  • Hello, I am currently looking for a way to navigate forward and backward among the indexed terms. For example, given a Term t, I would like to be able to get the next 10 terms or the previous 10 ...
    Antoine BrunAntoine Brun
    May 25, 2005 at 8:05 am
    Jun 13, 2005 at 9:52 am
  • Hi All, By using the carrot demo: http://www.newsarch.com/archive/mailinglist/jakarta/lucene/user/msg03928.html I was able to easliy cluster search results based on the fields used by carrot( url, ...
    Andrew BoydAndrew Boyd
    May 30, 2005 at 3:08 pm
    Jun 1, 2005 at 2:28 pm
  • How would one go about adding additional terms to a field which is not stored literally, but instead has a termFreqVector? For example: If DocumentA was indexed originally with: myTermField: red ...
    Ryan SkowRyan Skow
    May 30, 2005 at 4:38 pm
    May 31, 2005 at 10:03 pm
  • I noticed in my lucene index that I had mistakenly indexed some documents multiple times. I wrote the following piece of code to find and eliminate the duplicates, but it did not behave as expected. ...
    Dan ClimanDan Climan
    May 26, 2005 at 6:51 pm
    May 27, 2005 at 3:27 pm
  • Hi all, I am new to Lucene project, would like to get some information 1) Can we use Lucene project as a search engine for code repository 2) If yes, how should the code component cataloging should ...
    Singh, Anurag \(Research\)Singh, Anurag \(Research\)
    May 27, 2005 at 5:15 am
    May 27, 2005 at 7:00 am
  • Hi, I am building queries using the query api and when I use } in my fieldname and then call toString on the query, QueryParser throws a ParseException when trying to parse it. How do I fix this? ...
    Peter GelderbloemPeter Gelderbloem
    May 24, 2005 at 9:19 am
    May 25, 2005 at 9:43 am
  • Dear Sir/Madam: I am a beginner of IR.I want to use Lucene with BM25 algorithm,but i dont know how to change its default sort algorithm? Can you give me some advice? Thanks! Don't just search. Find. ...
    Luqun louLuqun lou
    May 23, 2005 at 1:30 pm
    May 24, 2005 at 1:32 am
  • Hi, My company would like to make the following contribution to Lucene (in sandbox?) licensed under the Apache License, Version 2.0. Background: While doing project work on a web-based search engine ...
    Maik SchreiberMaik Schreiber
    May 17, 2005 at 10:42 pm
    May 18, 2005 at 10:16 am
  • Dear all, I would like to know about the maxFieldLength. It says on the Javadocs that it limits "The maximum number of terms that will be indexed for a single field in a document." So, for instance, ...
    Pablo Gomes LudermirPablo Gomes Ludermir
    May 17, 2005 at 9:35 pm
    May 18, 2005 at 12:49 am
  • Now Suppose,There are two fields,"content","summary",but i think the query in content field may have highter weight than the summary field. how can i do it? I overload the parse function,and add ...
    Luqun louLuqun lou
    May 11, 2005 at 3:50 pm
    May 16, 2005 at 1:35 am
  • 1. I am trying to pump in large number of documents( to the tune of 50000) ... I use muliple threads and i depend on the internal locks of lucene to synchronize the write access to the index. try { ...
    RamyaRamya
    May 12, 2005 at 2:20 pm
    May 13, 2005 at 4:49 am
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129 users for May 2005

Erik Hatcher: 26 posts Chris Hostetter: 15 posts Otis Gospodnetic: 13 posts Paul Elschot: 12 posts Andrew Boyd: 10 posts Doug Cutting: 7 posts Kai Gülzau: 6 posts Mark harwood: 6 posts Matt Magoffin: 6 posts M. Mokotov: 6 posts Pablo Gomes Ludermir: 6 posts Robichaud, Jean-Philippe: 6 posts Yonik Seeley: 6 posts Yinjin: 5 posts Ahmet Aksoy: 5 posts Doug Hughes: 5 posts Kevin Burton: 5 posts Luqun lou: 5 posts Paul Libbrecht: 5 posts Bill Tschumy: 4 posts
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