Carrot2 is an Open Source Search Results Clustering Engine

Carrot²is an Open SourceSearch Results Clustering Engine. It can automatically organize small collections of documents (search results but not only) into thematic categories.

Search results clustered with Carrot²(live demo)

Apart from two specializeddocument clustering algorithms, Carrot²offers ready-to-use components for fetching search results from various sources including GoogleAPI, Bing API,eTools Meta Search, Lucene, SOLR, and more.

Carrot²is implemented in Java, but a native C# / .NET API is also available. Other non-Java platforms, such as PHP or Ruby, can call Carrot²clustering through its REST interface. Thedownloads pagewill help you to choose the right package. For consulting services, installation, maintenance and text mining expertise, contactCarrot Search-- the Carrot²spin-off company.