Lore: a database management system for semistructured data
ACM SIGMOD Record
Database techniques for the World-Wide Web: a survey
ACM SIGMOD Record
Comparative analysis of five XML query languages
ACM SIGMOD Record
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
ICDT '97 Proceedings of the 6th International Conference on Database Theory
Efficient synchronization for mobile XML data
Proceedings of the eleventh international conference on Information and knowledge management
A fast index for XML document version management
APWeb'03 Proceedings of the 5th Asia-Pacific web conference on Web technologies and applications
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XQL has been argued as just a model for asking for specific sets of elements with very limited query capability. This paper proposes several extensions of XQL to address the issues. The extensions include full-text indexed search, path variables, joins, session-based navigations, and updates. Effort has been spent to preserve the conciseness of the language syntax. Its corresponding query processor with optimization mechanism has been prototyped and available online. Finally, implementation issues are discussed.