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31 discussions - 117 posts

  • *Could someone point me how to order docIds as per **http://wiki.apache.org/lucene-java/ImproveSearchingSpeed <http://wiki.apache.org/lucene-java/ImproveSearchingSpeed * *"Limit usage of stored ...
    Vijay BVijay B
    Nov 17, 2014 at 5:16 pm
    Nov 21, 2014 at 1:53 pm
  • I realise that 3.0.2 is an old version of Lucene but if I have Java code as follows: int nGramLength = 3; Set<String stopWords = new Set<String (); stopwords.add("the"); stopwords.add("and"); .. ...
    Martin O'SheaMartin O'Shea
    Nov 10, 2014 at 1:55 pm
    Nov 11, 2014 at 6:37 pm
  • Hi Guys, I’m having a problem with the MMDirectory that I don’t understand and I’m wondering if any one else might have any insight. Our server runs many hundreds (soon to be thousands) of indexes ...
    Brian CallBrian Call
    Nov 7, 2014 at 7:47 pm
    Nov 8, 2014 at 7:58 pm
  • Hello, It's my pleasure to share that I have an interesting tool "word2vec for Lucene" available at https://github.com/kojisekig/word2vec-lucene . As you can imagine, you can use "word2vec for ...
    Koji SekiguchiKoji Sekiguchi
    Nov 20, 2014 at 9:16 am
    Nov 21, 2014 at 1:14 am
  • Hi all, I'm using 4.10.2. I have a Long "id" field. Each document has one "id" value. I am creating a look-up between Lucene's internal document id and my "id" values by enumerating the inverted ...
    Barry CoughlanBarry Coughlan
    Nov 17, 2014 at 3:40 pm
    Nov 18, 2014 at 5:17 pm
  • Hello, We use vanilla Lucene 4.9.0 in a 64 bit Linux OS. We sometimes need to index large documents (100+ MB), but this results in extremely high memory usage, to the point of OutOfMemoryError even ...
    RyanbRyanb
    Nov 26, 2014 at 12:40 am
    Nov 27, 2014 at 2:05 am
  • Hi, is there a solution to build suggestions based on a query? Greetings Sascha
    Sascha JanzSascha Janz
    Nov 8, 2014 at 10:10 am
    Nov 9, 2014 at 5:18 pm
  • I need a way to perform a spatial aggregation query against a potentially large document store in order to display summary clusters on a map. The query would slice the current map extents (e.g ...
    Shahak NagielShahak Nagiel
    Nov 6, 2014 at 3:54 am
    Nov 6, 2014 at 2:19 pm
  • Apologies if this is trivial but I have read what I could on the net and could not come up with a good answer. I have stood up a lucene server (not solr) which listens on 2 ports - one for indexing ...
    Shouvik BardhanShouvik Bardhan
    Nov 4, 2014 at 1:29 pm
    Nov 5, 2014 at 1:13 pm
  • I've done a bunch of searching, but I still can't seem to figure out how to do this. Given a WildcardQuery or PrefixQuery (something with a wildcard in it), is there a way to retrieve the terms in ...
    John CecereJohn Cecere
    Nov 25, 2014 at 2:16 pm
    Nov 27, 2014 at 7:23 am
  • Hey all, The standard solution to doing a case-insensitive match in lucene is to use a Lowercase filter at index and query time. However this does not preserve the content of the original document ...
    Apurv VermaApurv Verma
    Nov 25, 2014 at 11:36 am
    Nov 25, 2014 at 1:06 pm
  • Hi team, I have a run time error when running this code snippet on websphere application server 8.5: Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_47); IndexWriterConfig iW = new ...
    Tamer SalehTamer Saleh
    Nov 22, 2014 at 7:16 pm
    Nov 22, 2014 at 7:48 pm
  • Hi, I have an index that's about 700 MB, and it grows over days to until it causes problems with disk size, at about 5GB. If the JVM process ends, the index shrinks back to about 700MB, I'm calling ...
    Rob NikanderRob Nikander
    Nov 10, 2014 at 11:03 pm
    Nov 13, 2014 at 6:24 pm
  • Hi everyone, I met a new trouble. In my system, we should score the doc range from 0 to 100. There are some easy ways to map lucene scores to this scope. Thanks for your help~ Yu
    Harry YuHarry Yu
    Nov 11, 2014 at 2:20 pm
    Nov 12, 2014 at 9:44 pm
  • Hi All, I have a Lucene index built with Lucene 4.9 for 584 text documents, I need to extract a Document-term matrix, and Document Document similarity matrix in-order to use it to cluster the ...
    Elshaimaa AliElshaimaa Ali
    Nov 11, 2014 at 8:37 pm
    Nov 11, 2014 at 10:17 pm
  • Hi, I am finding that lucene is slowing down a lot when bigger and bigger doc/pos files are merged... While it's normally the case, the worrying part is all my data is in RAM. Version is 4.6.1 Some ...
    Ravikumar GovindarajanRavikumar Govindarajan
    Nov 18, 2014 at 7:21 am
    Dec 9, 2014 at 11:31 am
  • How are folks handling Solr exceptions that occur during batch indexing? Solr (4.6) stops parsing the docs stream when an error occurs (e.g. a doc with a missing mandatory field), and stops ...
    Peter KeeganPeter Keegan
    Nov 6, 2014 at 8:22 pm
    Nov 10, 2014 at 11:59 am
  • Hello , I have some word which contain full stop (.) itself ,example is (1) .Net , asp.net .i want lucene consider it as a single word not full stop . how to achieve it. another problem is some word ...
    Rajendra RaoRajendra Rao
    Nov 5, 2014 at 1:13 pm
    Nov 6, 2014 at 12:23 pm
  • Hello, We have a NetBeans RCP application using Lucene 4.7 for indexing and searching. When indexing, the following message is displayed: Dangerous reflection access to sun.misc.Cleaner by class ...
    Jean-Claude DauphinJean-Claude Dauphin
    Nov 3, 2014 at 3:46 pm
    Nov 3, 2014 at 11:09 pm
  • hi, I saw that SortedSetDocValuesFacetCounts does not support hierarchical facets. Is that to say that hierarchical facets are only supported through the Taxonomy index? I am using lucene 4.7.2 ...
    Vincent SevelVincent Sevel
    Nov 25, 2014 at 1:53 pm
    Nov 25, 2014 at 2:01 pm
  • Hi, I'm new on Lucene and on a quite old existing project. We use Lucene 2.4 (provided by Alfresco). We have a Lucene Index of about 5,5Go on the disk. We have heavy memory consumption and ...
    Philippe KernévezPhilippe Kernévez
    Nov 21, 2014 at 5:58 pm
    Nov 21, 2014 at 9:05 pm
  • Hi everyone, I have been using Lucene to build a POI searching & geocoding system. After test, I found that when query is long(above 10 terms). And the speed of searching is too slow near to 1s. I ...
    Harry YuHarry Yu
    Nov 11, 2014 at 6:35 am
    Nov 11, 2014 at 1:24 pm
  • Hi,I have a Lucene index contains a collection of documents. For an input string segment (s) and a specific document in the index (d), I want to get the number of common terms between s and d.After ...
    Amir H. JadidinejadAmir H. Jadidinejad
    Nov 6, 2014 at 3:42 pm
    Nov 6, 2014 at 3:44 pm
  • Hi, I'm using Lucene 2.9.3 on a 64 bit machine. Many a times we are observing that the systems gets into to thrashing mode during merges. We are experimenting with using MMapDirectory. Our index is ...
    Buddhavarapu, SureshBuddhavarapu, Suresh
    Nov 5, 2014 at 6:01 am
    Nov 5, 2014 at 10:56 am
  • ***Please forward this CFP to anyone who may be interested in participating.*** Hi, Search has evolved to be much more than simply full-text search. We now rely on “search engines” for a wide variety ...
    Uwe SchindlerUwe Schindler
    Nov 3, 2014 at 12:28 pm
    Nov 3, 2014 at 12:50 pm
  • Hi, We host a Dev-Room about "Open Source Search" on this year's FOSDEM 2015 (https://fosdem.org/2015/), taking place on January 31th and February 1st, 2015, in Brussels, Belgium. There is still one ...
    Uwe SchindlerUwe Schindler
    Nov 24, 2014 at 8:33 am
    Nov 24, 2014 at 8:33 am
  • I've run into an issue where I think I'd like to use the PositionFilter plus RemoveDuplicatesFilter to deduplicate tokens, effectively removing the impact of term frequency for a specific field ...
    Doug TurnbullDoug Turnbull
    Nov 20, 2014 at 4:14 pm
    Nov 20, 2014 at 4:14 pm
  • ====================================================================== CALL FOR PAPERS The 18th IEEE International Symposium On Real-Time Computing ISORC 2015 Auckland, New Zealand April 13 - 17, ...
    Martin SchoeberlMartin Schoeberl
    Nov 19, 2014 at 12:25 pm
    Nov 19, 2014 at 12:25 pm
  • hi spec Java 1.7 Lucene 4.10.0 O/s windos 7 Returning to Lucene span of 10 years Lot has changed .... *==================START DOCUMENT =================================== CATEGORY -- JAR ...
    NskarthikNskarthik
    Nov 13, 2014 at 9:04 pm
    Nov 13, 2014 at 9:04 pm
  • Yes, that's fair. We can't expect every query the user types to be perfect if they don't understand the query language. -----Original Message----- From: Erick Erickson Sent: Friday, October 31, 2014 ...
    Prad NelluruPrad Nelluru
    Nov 3, 2014 at 6:04 pm
    Nov 3, 2014 at 6:04 pm
  • ?Hi, I'm currently migrating from the really old version 3.6 to 4.6. I deleted my old index and re-indexed everything after migration the whole code base. Now everything works fine except one thing ...
    Hemant KumarHemant Kumar
    Nov 3, 2014 at 3:19 pm
    Nov 3, 2014 at 3:19 pm
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52 users for November 2014

Uwe Schindler: 9 posts Barry Coughlan: 7 posts Michael McCandless: 6 posts Ahmet Arslan: 5 posts Vijay B: 5 posts Brian Call: 4 posts Erick Erickson: 4 posts Koji Sekiguchi: 4 posts Martin O'Shea: 4 posts Paul Libbrecht: 4 posts Harry Yu: 3 posts Rajendra Rao: 3 posts Rob Nikander: 3 posts Ryanb: 3 posts Shouvik Bardhan: 3 posts Toke Eskildsen: 3 posts Uwe Schindler: 3 posts Amir H. Jadidinejad: 2 posts Apurv Verma: 2 posts Chris Hostetter: 2 posts
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