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IDEAS
2008
IEEE
153views Database» more  IDEAS 2008»
14 years 2 months ago
Pattern based processing of XPath queries
As the popularity of areas including document storage and distributed systems continues to grow, the demand for high performance XML databases is increasingly evident. This has le...
Gerard Marks, Mark Roantree
SIGIR
2008
ACM
13 years 7 months ago
A unified and discriminative model for query refinement
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
Jiafeng Guo, Gu Xu, Hang Li, Xueqi Cheng
IADIS
2003
13 years 9 months ago
Querying Databases and XML Documents: Comparative Study and a New Proposal
XML has become the most useful standard of data interchange in the web and e-business world and there is a large amount of information stored in this format. Nonetheless, a large ...
Ana Fermoso García, María José...
CIKM
2004
Springer
14 years 1 months ago
QFilter: fine-grained run-time XML access control via NFA-based query rewriting
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...
Bo Luo, Dongwon Lee, Wang-Chien Lee, Peng Liu
EDBT
2002
ACM
125views Database» more  EDBT 2002»
14 years 7 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish