This book constitutes the thoroughly refereed post-proceedings of the Web- and Database-Related Workshops held during the Net Object Days international conference NODe 2002, in Erfurt, Germany, in October 2002.The 19 revised full papers presented together with 3 keynote papers were carefully selected during 2 rounds of reviewing and improvement. The papers are organized in topical sections on advanced Web-services, UDDI extensions, description and classification of Web services, applications based on Web-services, indexing and accessing, Web and XML databases, mobile devices and the Internet, and XML query languages.