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» Studying an Approach to Query Spatial XML
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ICDE
2005
IEEE
101views Database» more  ICDE 2005»
15 years 3 months ago
Optimization of Nested XQuery Expressions with Orderby Clauses
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
Song Wang, Elke A. Rundensteiner, Murali Mani
EDBT
2008
ACM
150views Database» more  EDBT 2008»
15 years 9 months ago
Finding time-dependent shortest paths over large graphs
The spatial and temporal databases have been studied widely and intensively over years. In this paper, we study how to answer queries of finding the best departure time that minim...
Bolin Ding, Jeffrey Xu Yu, Lu Qin
ESCIENCE
2007
IEEE
15 years 3 months ago
Decentralised Resource Discovery Service for Large Scale Federated Grids
Efficient Resource discovery mechanism is one of the fundamental requirement for Grid computing systems, as it aids in resource management and scheduling of applications. Resourc...
Rajiv Ranjan, Lipo Chan, Aaron Harwood, Shanika Ka...
AUTONOMICS
2008
ACM
14 years 11 months ago
MWM: a map-based world model for wireless sensor networks
A prominent functionality of a Wireless Sensor Network (WSN) is environmental monitoring. For this purpose the WSN creates a model for the real world by using abstractions to pars...
Abdelmajid Khelil, Faisal Karim Shaikh, Brahim Aya...
ESWS
2005
Springer
15 years 3 months ago
RELFIN - Topic Discovery for Ontology Enhancement and Annotation
While classic information retrieval methods return whole documents as a result of a query, many information demands would be better satisfied by fine-grain access inside the docu...
Markus Schaal, Roland M. Müller, Marko Brunze...