Peer-to-Peer Management of XML Data: Issues and Research Challenges Georgia Koloniari and Evaggelia Pitoura   View Paper (PDF)   Return to June 2005, Volume 34, Number 2 Abstract Peer-to-peer (p2p) systems are attracting increasing attention as an efficient means of sharing data among large, diverse and dynamic sets of users. The widespread use of XML as a standard for representing and exchanging data in the Internet suggests using XML for describing data shared in a p2p system. However, sharing XML data imposes new challenges in p2p systems related to supporting advanced querying beyond simple keyword-based retrieval. In this paper, we focus on data management issues for processing XML data in a p2p setting, namely indexing, replication, clustering and query routing and processing. For each of these topics, we present the issues that arise, survey related research and highlight open research problems. ©2006 Association for Computing Machinery