Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs and geospatial indexes with radius queries.
he W3C Web Ontology Language (OWL) is a Semantic Web language designed to represent rich and complex knowledge about things, groups of things, and relations between things.
M. abbas Choudhary M. Asif Naeem. IEEE International Conference on Advanced Computer vision and Information Technology, page 397-405. http://www.itvidya.com/acvit_2007_aurangabad, Department of Computer Science and IT, Dr. B.A.M. U Aurangabad. (MS) India, I. K. International, (December 2007)