faceted search – Flax http://www.flax.co.uk The Open Source Search Specialists Thu, 10 Oct 2019 09:03:26 +0000 en-GB hourly 1 https://wordpress.org/?v=4.9.8 Lucene/Solr Revolution 2015: BioSolr – Searching the stuff of life http://www.flax.co.uk/blog/2015/10/16/lucenesolr-revolution-2015-biosolr-searching-the-stuff-of-life/ http://www.flax.co.uk/blog/2015/10/16/lucenesolr-revolution-2015-biosolr-searching-the-stuff-of-life/#respond Fri, 16 Oct 2015 13:17:50 +0000 http://www.flax.co.uk/?p=2737 BioSolr – Searching the stuff of life – Lucene/Solr Revolution 2015 from Charlie Hull

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]]> http://www.flax.co.uk/blog/2015/10/16/lucenesolr-revolution-2015-biosolr-searching-the-stuff-of-life/feed/ 0 Open source intranet search over millions of documents with full security http://www.flax.co.uk/blog/2011/01/26/open-source-intranet-search-over-millions-of-documents-with-full-security/ http://www.flax.co.uk/blog/2011/01/26/open-source-intranet-search-over-millions-of-documents-with-full-security/#comments Wed, 26 Jan 2011 11:03:34 +0000 http://www.flax.co.uk/blog/?p=489 Last year my colleague Tom Mortimer talked about indexing security information within an open source enterprise search application, and we’re happy to announce more details of the project. Our client is an international radio supplier, who had considered both closed … More

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]]> Last year my colleague Tom Mortimer talked about indexing security information within an open source enterprise search application, and we’re happy to announce more details of the project. Our client is an international radio supplier, who had considered both closed source products and search appliances, but chose open source for greater flexibility and the much lower cost of scaling to indexes of millions of documents.

Using the Flax platform, we built a high-performance multi-threaded filesystem crawler to gather documents, translated them to plain text using our own open source Flax Filters and captured Unix file permissions and access control lists (ACLs). User logins are authenticated against an LDAP server and we use this to show only the results a particular user is allowed to see. We also added the ability to tag documents directly within the search results page (for example, to mark ‘current’ versions, or even personal favourites) – the tags can then be used to filter future results. Faceted search is also available.

You can read more about the project in a case study (PDF) and Tom’s presentation slides (PDF) explain more about the method we used to index the security information.

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