Book excerpt: This book constitutes the refereed proceedings of the 22nd British National Conference on Databases, BNCOD 22, held in Sunderland, UK in July 2005. The 16 revised full papers presented together with an invited paper and the abstract of an invited talk were carefully reviewed and selected from 66 submissions. The papers are organized in topical sections on spatio-temporal databases, data integration and information retrieval, XML, and applied information management.