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ESWS
2008
Springer
14 years 11 months ago
Exploring the Knowledge in Semi Structured Data Sets with Rich Queries
Semantics can be integrated in to search processing during both document analysis and querying stages. We describe a system that incorporates both, semantic annotations of Wikipedi...
Jürgen Umbrich, Sebastian Blohm
CIKM
2010
Springer
14 years 8 months ago
Preference query evaluation over expensive attributes
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
ICDE
2002
IEEE
103views Database» more  ICDE 2002»
15 years 2 months ago
Using Unity to Semi-Automatically Integrate Relational Schema
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
Ramon Lawrence, Ken Barker
JFP
2006
80views more  JFP 2006»
14 years 10 months ago
Static analysis for path correctness of XML queries
A part of a query that will never contribute data to the query answer should be regarded as an error. This principle has been recently accepted into mainstream XML query languages...
Dario Colazzo, Giorgio Ghelli, Paolo Manghi, Carlo...
PADL
2005
Springer
15 years 3 months ago
A Full Pattern-Based Paradigm for XML Query Processing
In this article we investigate a novel execution paradigm—ML-like pattern-matching— for XML query processing. We show that such a paradigm is well adapted for a common and freq...
Véronique Benzaken, Giuseppe Castagna, C&ea...