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» Efficient Query Evaluation over Compressed XML Data
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ICDE
2003
IEEE
209views Database» more  ICDE 2003»
14 years 10 months ago
An Evaluation of Regular Path Expressions with Qualifiers against XML Streams
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
Dan Olteanu, François Bry, Tobias Kiesling
ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 10 months ago
Rewriting Regular XPath Queries on XML Views
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
Wenfei Fan, Floris Geerts, Xibei Jia, Anastasios K...
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
14 years 9 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...
WEBDB
2004
Springer
154views Database» more  WEBDB 2004»
14 years 2 months ago
Twig Query Processing over Graph-Structured XML Data
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
Zografoula Vagena, Mirella Moura Moro, Vassilis J....
ICSNC
2007
IEEE
14 years 3 months ago
Efficient Transformation Scheme for Indexing Continuous Queries on RFID Streaming Data
RFID data are usually regarded as streaming data that are huge and change frequently because they are gathered continuously by numerous readers. RFID middleware filters the data a...
Jaekwan Park, Bonghee Hong, ChaeHoon Ban