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WEBI
2001
Springer
15 years 1 months ago
A Data Model for XML Databases
In the proposed data model for XML databases, an XML element is directly represented as a ground (variable-free) XML expression—a generalization of an XML element by incorporatio...
Vilas Wuwongse, Kiyoshi Akama, Chutiporn Anutariya...
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
15 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...
IDEAS
2007
IEEE
118views Database» more  IDEAS 2007»
15 years 3 months ago
A Two Layered Approach for Querying Integrated XML Sources
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems...
Felipe Victolla Silveira, Carlos A. Heuser
WWW
2001
ACM
15 years 10 months ago
XEBRA: The Design and Implementation of Integrated Programming Environment for XML Processing and Browsing
We present the design and implementation of XEBRA system. XEBRA is an integrated programming environment for XML processing and browsing on which users can build their own XML pro...
Norio Toyama, Yasuyuki Hirakawa, Takashi Hattori, ...
103
Voted
WWW
2005
ACM
15 years 3 months ago
X-warehouse: building query pattern-driven data
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
Ji Zhang, Wei Wang, Han Liu, Sheng Zhang