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TDM
2004
174views Database» more  TDM 2004»
15 years 6 months ago
Relational Approach to Logical Query Optimization of XPath
To be able to handle the ever growing volumes of XML documents, effective and efficient data management solutions are needed. Managing XML data in a relational DBMS has great pote...
Maurice van Keulen
143
Voted
SCANGIS
2003
15 years 6 months ago
A Card-based Visual Query System for Geographical Information Systems
This paper introduces a visual query system for geographical information systems, which is easy to use for non-professional persons. The system creates a new iconic metaphor — a ...
Shiguang Ju, Weigang Guo, Héctor J. Hern&aa...
DAWAK
2010
Springer
15 years 6 months ago
Discovery and Application of Functional Dependencies in Conjunctive Query Mining
Abstract. We present an algorithm for mining frequent queries in arbitrary relational databases, over which functional dependencies are assumed. Building upon previous results, we ...
Bart Goethals, Dominique Laurent, Wim Le Page
GLOBE
2008
Springer
15 years 6 months ago
Query Propagation in a P2P Data Integration System in the Presence of Schema Constraints
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
Tadeusz Pankowski
152
Voted
ECIR
2010
Springer
15 years 5 months ago
Learning to Distribute Queries into Web Search Nodes
Web search engines are composed of a large set of search nodes and a broker machine that feeds them with queries. A location cache keeps minimal information in the broker to regist...
Marcelo Mendoza, Mauricio Marín, Flavio Fer...