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CICLING
2001
Springer
15 years 3 months ago
Automatic Topic Identification Using Ontology Hierarchy
This paper proposes a method of using ontology hierarchy in automatic topic identification. The fundamental idea behind this work is to exploit an ontology hierarchical structure i...
Sabrina Tiun, Rosni Abdullah, Tang Enya Kong
PVLDB
2008
90views more  PVLDB 2008»
14 years 10 months ago
Sorting hierarchical data in external memory for archiving
Sorting hierarchical data in external memory is necessary for a wide variety of applications including archiving scientific data and dealing with large XML datasets. The topic of ...
Ioannis Koltsidas, Heiko Müller, Stratis Vigl...
PVLDB
2010
135views more  PVLDB 2010»
14 years 6 months ago
QSkycube: Efficient Skycube Computation using Point-Based Space Partitioning
Skyline queries have gained considerable attention for multicriteria analysis of large-scale datasets. However, the skyline queries are known to return too many results for highdi...
Jongwuk Lee, Seung-won Hwang
CP
2005
Springer
15 years 4 months ago
Neighbourhood Clause Weight Redistribution in Local Search for SAT
Abstract. In recent years, dynamic local search (DLS) clause weighting algorithms have emerged as the local search state-of-the-art for solving propositional satisfiability proble...
Abdelraouf Ishtaiwi, John Thornton, Abdul Sattar, ...
SECON
2008
IEEE
15 years 5 months ago
Breath: A Self-Adapting Protocol for Wireless Sensor Networks in Control and Automation
—The novel cross-layer protocol Breath for wireless sensor networks is designed, implemented, and experimentally evaluated. The Breath protocol is based on randomized routing, MA...
Pan Gun Park, Carlo Fischione, Alvise Bonivento, K...