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VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 9 months ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
COOPIS
2004
IEEE
15 years 8 months ago
Analysis, Transformation, and Improvements of ebXML Choreographies Based on Workflow Patterns
In ebXML the choreography of a business process should be modeled by UMM (UN/CEFACT Modeling Methodology) and is finally expressed in BPSS (Business Process Specification Schema). ...
Ja-Hee Kim, Christian Huemer
AMW
2010
15 years 5 months ago
On Incomplete XML Documents with Integrity Constraints
We consider incomplete specifications of XML documents in the presence of schema information and integrity constraints. We show that integrity constraints such as keys and foreign ...
Pablo Barceló, Leonid Libkin, Juan L. Reutt...
ADBIS
2006
Springer
81views Database» more  ADBIS 2006»
15 years 10 months ago
SDQNET: Semantic Distributed Querying in Loosely Coupled Data Sources
Web communities involve networks of loosely coupled data sources. Members in those communities should be able to pose queries and gather results from all data sources in the networ...
Eirini Spyropoulou, Theodore Dalamagas
ENTCS
2006
123views more  ENTCS 2006»
15 years 4 months ago
Wrapping of Web Sources with restricted Query Interfaces by Query Tunneling
Information sources in the World Wide Web usually offer two different schemes to their users, an Interface Schema which the user can query and a Result Schema which the user can b...
Thomas Kabisch, Mattis Neiling