I want to filter a property within a range, but items that does not have the property should come last in the result. My solution was to set it to -1 if the property was not set. +(property:[10000000001 TO 10000000019] property:"-1"^0.5) This doesn't work, since every document with property:-1 get a very high score, for some reason. I...
After having performed a search in Lucene/Solr without having specified a field, how can I know in which fields of a result document the search string was found (and how often)? ...
I am trying to integrate compass into my platform using the JDBC ResultSetToResourceMapping. What I want to do is set it up so that I could have multiple result set mappings, tied to one Resource, that produces one result, with one score, and a merged score. I have tried to trick Compass into doing this by mapping the same id across th...
Hi all, OUr team just upgrade lucene from 2.3 to 3.0 and we are confused about the setboost and getboost of document. What we want is just set a boost for each document when add them into index, then when search it the documents in the response should have different order according to the boost I set. But it seems the order is not chang...
I am using SOLR along with NGramTokenizerFactory to help create search tokens for substrings of words NGramTokenizer is configured with a minimum word length of 3 This means that I can search for e.g. "unb" and then match the word "unbelievable". However I have a problem with short words like "I" and "in". These are not indexed by SOL...
I am looking for any open source application that uses lucene.net. I am working on a complicated web application and would like to see how others have implemented lucene.net. ...
Hi, I have played about with the tutorial and Compass itself for a bit now. I have just started to ramp up the use of it and have found that the performance slows drastically. I am certain that this is due to my mappings and the relationships that I have between entities and was looking for suggestions about how this should be best done...
Is there a way to store information about documents that are stored in Lucene such that I don't have to update the entire document to update certain attributes about the documents? For instance, let's say I had a bunch of documents, and that I wanted to update a permissions list of who was allowed to see the documents on a daily, or m...
Im using Lucene Highlighter to highlight the matches that I have found in a Lucene Index. Now, my problem is that If I have to search multiple fields of a document, and I need to display the matching text, then how can I get in which field the hit has occurred? The code which I am using for the highlighter is basically the second functi...
We are currently working on a proof-of-concept for a client using Solr and have been able to configure all the features they want except the scoring. Problem is that they want scores that make results fall in buckets: Bucket 1: exact match on category (score = 4) Bucket 2: exact match on name (score = 3) Bucket 3: partial match on cat...
Let's say I want to index my shop using Solr Lucene. I have many types of entities : Products, Product Reviews, Articles How do I get my Lucene to index those types, but each type with different Schema ? ...
Hi, I have recenlty stumbled into Zend Lucene port of Lucene project. I have a little bit experience with SOLR so I would like to know what is the difference between two of them especially from performance and installation side. As much as I know SOLR requires Tomcat serverlet running in web hosting in order to work, what about Zend L...
I'm looking to use Heritrix to crawl web-sites. I'm wondering what tools Heritrix users are using to extract text from crawled files prior to indexing them with Lucene. ...
I know wikipedia uses it but I am looking for more product based websites. Thanks. ...
I am implementing SOLR for a free text search for a project where the records available to be searched will need to be added and deleted on a large scale every day. Because of the scale I need to make sure that the size of the index is appropriate. On my test installation of SOLR, I index a set of 10 documents. Then I make a change in ...
Hi, I meet some problem with the score caculation with a PrefixQuery. To change score of each document, when add document into index, I have used setBoost to change the boost of the document. Then I create PrefixQuery to search, but the result have not been changed according to the boost. It seems setBoost totally doesn't work for a Pre...
What is the best way to achieve Lucene real-time indexing? ...
Can any one provide me with some sample Java code as how to go about storing the Lucene index in a HDFS( Hadoop File Sytem ), using Katta. ...
I am working on Lucene 3.x (source code). To start with I downloaded latest source code from SVN stable code 3.0.2 from: http://www.apache.org/dyn/closer.cgi/lucene/java/ The second one has source files for package org.apache.lucene.analysis.standard, however the first one does not have any such files (not even the package). Somewher...
Alright so I've got a ListView with many items available to it any time (in virtualized mode). Right above the ListView is a text box that allows the user type in any search term and the ListView will be filtered live. The ListView is currently bound to a DataSet like this: SoundListView.DataContext = DS.Tables[0].DefaultView; The Dat...