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CIKM
2004
Springer
14 years 3 months ago
Using a compact tree to index and query XML data
Indexing XML is crucial for efficient XML query processing. We propose a compact tree (Ctree) for XML indexing, which provides not only concise path summaries at group level but a...
Qinghua Zou, Shaorong Liu, Wesley W. Chu
AMR
2005
Springer
137views Multimedia» more  AMR 2005»
14 years 3 months ago
Information Retrieval of Sequential Data in Heterogeneous XML Databases
The XML language is a W3C standard sustained by both the industry and the scientific community. Therefore, the available information annotated in XML keeps and will keep increasing...
Eugen Popovici, Pierre-Francois Marteau, Gildas M&...
CIKM
2008
Springer
14 years 4 days ago
Rewriting of visibly pushdown languages for xml data integration
In this paper, we focus on XML data integration by studying rewritings of XML target schemas in terms of source schemas. Rewriting is very important in data integration systems wh...
Alex Thomo, Srinivasan Venkatesh
SAC
2009
ACM
14 years 2 months ago
Discovering XML keys and foreign keys in queries
The XML has undoubtedly become a standard for data representation and manipulation. But most of XML documents are still created without the respective description of their structu...
Martin Necaský, Irena Mlýnková...
DEXAW
2007
IEEE
124views Database» more  DEXAW 2007»
14 years 2 months ago
XML Query Optimisation: Specify your Selectivity
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
Sven Hartmann, Sebastian Link