Θ Computers: Software: Information_Retrieval: Web

See also:

Site list:

Vivisimo Clustering Engine Their document clustering and meta-search software automatically categorizes search results on-the-fly into hierarchical clusters.
Mooter
Northern Light
Query Server Web Search The Query Server Web search page queries eight general purpose Web search engines, and returns a single merged, ranked and conceptually clustered list.
Carrot2 A search results clustering framework. Includes clustering components and a stand-alone meta search component.
MetaCrawler/HuskySearch/Grouper Grouper partitioned the results into clusters, or groupings of URLs which contain similar content.
Dowser Clusters results from major search engines, associates words that appear in previous searches, and keeps a local cache of all the results you click on in a searchable database. It helps keep track of what you find on the web. [Windows, UNIX, Linux and Mac OSX.]
SnakeT A metasearch clustering engine for Web, Books, News.