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CG
2004
Springer
14 years 2 months ago
Locally Informed Global Search for Sums of Combinatorial Games
Abstract. There are two complementary approaches to playing sums of combinatorial games. They can be characterized as local analysis and global search. Algorithms from combinatoria...
Martin Müller 0003, Zhichao Li
COCO
2004
Springer
119views Algorithms» more  COCO 2004»
14 years 2 months ago
Tight Lower Bounds for Certain Parameterized NP-Hard Problems
Based on the framework of parameterized complexity theory, we derive tight lower bounds on the computational complexity for a number of well-known NP-hard problems. We start by pr...
Jianer Chen, Benny Chor, Mike Fellows, Xiuzhen Hua...
CCS
2006
ACM
14 years 2 months ago
Secure hierarchical in-network aggregation in sensor networks
In-network aggregation is an essential primitive for performing queries on sensor network data. However, most aggregation algorithms assume that all intermediate nodes are trusted...
Haowen Chan, Adrian Perrig, Dawn Xiaodong Song
DAWAK
2006
Springer
14 years 2 months ago
A Versioning Management Model for Ontology-Based Data Warehouses
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of the...
Dung Nguyen Xuan, Ladjel Bellatreche, Guy Pierra
ECIR
2007
Springer
14 years 10 days ago
Combination of Document Priors in Web Information Retrieval
Query-independent features (also called document priors), such as the number of incoming links to a document, its Page-Rank, or the type of its associated URL, have been successfu...
Jie Peng, Iadh Ounis