Search Results for gram

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1. [lucene-general] N-gram

   Sent 2005-07-18 by Rajesh Munavalli <rajeshm@...>

   At what point do I add n-grams? Does the order in which I add n-grams affect exact phrase queries later? My questions are (1) Should I add all the 1-grams followed by 2-grams followed by 3-grams..etc sentence by sentence OR (2) Add all the 1 grams of entire document first before starting 2-grams for the entire document? What is the general accepted notion of adding n-grams of a document? thanks, Rajesh

   http://find.searchhub.org/document/46047fcdef4c9116

2. [lucene-solr-user] Word Gram?

   Sent 2008-08-13 by Ryan McKinley <ryantxu@...>

   I'm looking for a way to get common word groups within documents. That is, what are the top two, three, ... n word groups within the index. I was messing with indexing adjacent words together (sorry about the earlier commit)... is this a reasonable approach? Any other ideas for pulling&hellip;

   http://find.searchhub.org/document/4ef435c23afc6bb5

3. [lucene-dev] N-Gram Threshould

   Sent 2012-05-23 by parkhekishor <kishor.parkhe@...>

   Hi, I made n-gram analyzer, but I am not able to set threshold during searching corresponding to index.please help me. ----- REACH YOUR GOAL BEFORE GOAL KICKS YOU. Thanks. -- View this message in context: http://lucene.472066.n3.nabble.com/N-Gram-Threshould-tp3985614.html Sent from the Lucene - Java Developer mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org For additional commands, e-mail: dev-help@lucene.apache.org

   http://find.searchhub.org/document/ccbe20675a0448e0

4. [lucene-solr-user] n-gram speed

   Sent 2011-05-30 by Denis Kuzmenok <forward_ua@...>

   I have a database with n-gram field, about 5 millions documents. QTime is about 200-1000 ms, database is not optimized because it must reply to queries everytime and data are updated often. Is it normal? Solr: 3.1, java -Xms2048M -Xmx4096M Server: i7, 12Gb

   http://find.searchhub.org/document/1bd6068ae767b81f

5. [lucene-solr-user] Re: n-gram speed

   Sent 2011-05-30 by Tor Henning Ueland <tor.henning@...>

   2011/5/30 Denis Kuzmenok : Start by optimizing it, it wont "stop working" due to a optimize. Some other vital info is the size of the index, disk type used etc (SSD, SATA, IDE..) -- Mvh Tor Henning Ueland

   http://find.searchhub.org/document/31e46c3a6882ea2d

6. [lucene-solr-user] Re: n-gram speed

   Sent 2011-05-30 by Otis Gospodnetic <otis_gospodnetic@...>

   Denis, Also, what are your documents and queries like? Maybe give a few examples so we can help. Otis ---- Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch Lucene ecosystem search :: http://search-lucene.com/ ----- Original Message ----

   http://find.searchhub.org/document/8c1fd15aae3f8d8c

7. [lucene-solr-user] GeoHash and n-grams

   Sent 2011-12-05 by Herman Kiefus <hermank@...>

   Has anyone ever considered using a multi-valued, n-grammed, text field containing geohashes to support a 'near-some-coordinate' type of search? I've read that geohashes will mostly have same/similar prefixes when several of them are 'close' together, but have no idea what 'mostly' comes out to. &hellip;

   http://find.searchhub.org/document/6375b0e47aab5535

8. [lucene-java-user] n-gram indexing

   Sent 2005-07-18 by Rajesh Munavalli <rajeshm@...>

   At what point do I add n-grams? Does the order in which I add n-grams affect exact phrase queries later? My questions are (1) Should I add all the 1-grams followed by 2-grams followed by 3-grams..etc sentence by sentence OR (2) Add all the 1 grams of entire document first before starting 2-grams for the entire document? What is the general accepted notion of adding n-grams of a document? thanks, Rajesh

   http://find.searchhub.org/document/f857d2fbe391bb

9. [lucene-java-user] Re: n-gram indexing

   Sent 2005-07-18 by Andy Roberts <mail@...>

   On Monday 18 Jul 2005 21:27, Rajesh Munavalli wrote: I can't see any real advantage of storing n-grams explicitly. Just index the document and use phrase queries. Order is significant with phrase queries if I recall correctly, although you can use SpanNearQueries to look for unordered ngrams, although I don't know why you would want to! Perhaps if you explain a little more about what you are trying to achieve more generally, we can confirm that you don't need to mess with explicit indexing of indexing. Andy --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org For additional commands, e-mail: java-user-help@lucene.apache.org

   http://find.searchhub.org/document/3fb0e7426995446b

10. [lucene-java-user] RE: n-gram indexing

    Sent 2005-07-18 by Rajesh Munavalli <rajeshm@...>

    Intution behind adding n-grams is to boost naturally occurring larger phrases versus using phrase queries. For example, if I am searching for "united states of america", I want the search results to return the documents ordered as follows Rank 1 - Documents containing all the words occurring together Rank 2 - Documents containing maximum number of words in the same sentence Rank 3 - Documents containing all the words but some might appear in the same sentence some may not Rank 4 - Documents containig atleast one or two words If we have a n-gram index, most probably document talking about

    http://find.searchhub.org/document/f31d7c9cefc4ea55