Information Retrieval (IR) is a rapid growing research area that studies applications of computers to the acquisition, organization, storage, retrieval, and distribution of information. As a result of fast development of World Wide Web, IR has become a center of the focus. Its theories, techniques, and applications have reached many fields where processing large amount of information is essential.

This Knowledge Class divides the field of information retrieval into six subareas as the above. Following these areas you will conveniently reach a wide variety of information related to information retrieval currently available on the Web.