University of Massachusetts research lab focused on efficient access to large, heterogeneous, distributed, text and multimedia databases. http://ciir.cs.umass.edu/
An annual information retrieval conference and competition, the purpose of which is to support and further research within the information retrieval community. http://trec.nist.gov/
Develops a suite of component technologies for unstructured text management and analysis. Features overviews of technologies and research initiatives, with company background. http://www.clairvoyancecorp.com/