IndexTank - Search Engine powers Reddit
IndexTank search engine powers search in Reddit, Social bookmarking site. IndexTank is acquired by LinkedIn and released the project as open source. It includes features like Variables boosts, Facets, Faceted search, Snippeting, Custom scoring functions, Suggest, and Autocomplete.
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Sensei is a distributed data system that was built to support many product initiatives at LinkedIn, including the real-time faceted search in LinkedIn Signal and the news feed and tabs on the Homepage. Sensei is both a search engine and a database. It is designed to query and navigate through documents that consist of unstructured text and well-formed and structured metadata.
Bobo Browse is an information retrieval technology that provides navigational browsing into a semi-structured dataset. Beyond the result set from queries and selections, Bobo Browse also provides the facets from this point of browsing. It provides support to sort documents on fields that have multiple values. It is stable and used by LinkedIn.
Solr is the popular, blazing fast open source enterprise search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, and rich document (e.g., Word, PDF) handling. Solr is highly scalable, providing distributed search and index replication, and it powers the search and navigation features of many of the world's largest internet sites.
Bobo issue tracking has been moved to: http://linkedin.jira.com/browse/BOBOBobo wiki has been moved to: http://linkedin.jira.com/wiki/display/BOBO/HomeBobo source control has been moved to: http://github.com/javasoze/boboBobo-Browseis a Faceted Search implementation written purely in Java, an extension of Apache Lucene. While Lucene is good with unstructured data, Bobo fills in the missing piece to handle semi-structured and structured data. Bobo Browse is an information retrieval technology tha
We have moved: http://senseidb.comSensei issue tracking has been moved to: http://linkedin.jira.com/browse/SENSEISensei Wiki has been moved to:http://linkedin.jira.com/wiki/display/SENSEI/Homesource control has been moved to github.com: http://github.com/javasoze/senseidistributed elastic realtime search engine: realtime indexing/search cluster management automatic and configuration data partitioning support for structured and faceted search requirements: java 1.6 or higher zookeeper 3.2+ http:/
Constellio Open Source Enterprise Search is based on Apache Solr and using Google Search Appliances connectors architecture, it allows, with a single click, to find all relevant content in your organization (Web, email, ECM, CRM etc.).
What is SolrDimension??Inspired by the concept of Dimensions in a commercial product called Endeca, SolrDimension is a light-weight framework designed for handling the "Facet" aspects of Solr. Through XML configurations, SolrDimension allows developers to order, manipulate, and create facets. Main featuresManual ordering of facets. Creates facets through XML configurations. Flexible facet creation by matching source data with regex, alphanumeric range and match phase. Facet precedence rule. (Som
Sphinix is free open-source SQL full-text search engine. How do you implement full-text search for that 10+ million row table, keep up with the load, and stay relevant? Sphinx is good at those kinds of riddles.
Summa is a fast modular and scalable search engine written in Java. Sports a flexible workflow system and incremental indexing and facetting. Summa is primarily developed by the State and University Library of Denmark.
Xapian is an Open Source Search Engine Library. It is written in C++, with bindings to allow use from Perl, Python, PHP, Java, Tcl, C# and Ruby. Xapian is a highly adaptable toolkit which allows developers to easily add advanced indexing and search facilities to their own applications. It supports the Probabilistic Information Retrieval model and also supports a rich set of boolean query operators.