Amazon.com description: Product Description: Web Personalization can be de?ned as any set of actions that can tailor the Webexperiencetoaparticularuserorsetofusers. Toachievee?ectivepers- alization,organizationsmustrelyonallavailabledata,includingtheusageand click-stream data (re?ecting user behaviour), the site content, the site str- ture,domainknowledge,aswellasuserdemographicsandpro?les. Inaddition, e?cient and intelligent techniques are needed to mine this data for actionable knowledge, and to e?ectively use the discovered knowledge to enhance the users' Web experience. These techniques must address important challenges emanating from the size and the heterogeneous nature of the data itself, as wellasthedynamicnatureofuserinteractionswiththeWeb. Thesechallenges include the scalability of the personalization solutions, data integration, and successful integration of techniques from machine learning, information - trievaland?ltering,databases,agentarchitectures,knowledgerepresentation, data mining, text mining, statistics, user modelling and human-computer - teraction. The Semantic Web adds one more dimension to this. The workshop will focus on the semantic web approach to personalization and adaptation. The Web has been formed to be an integral part of numerous applications inwhichauserinteractswithaserviceprovider,productsellers,governmental organisations, friends and colleagues. Content and services are available at di?erent sources and places. Hence, Web applications need to combine all available knowledge in order to form personalized, user-friendly, and busine- optimal services.