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EDBT
2009
ACM
127views Database» more  EDBT 2009»
16 years 1 months ago
Answering aggregate keyword queries on relational databases using minimal group-bys
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
Bin Zhou 0002, Jian Pei
CPAIOR
2009
Springer
16 years 1 months ago
The Polytope of Context-Free Grammar Constraints
Context-free grammar constraints enforce that a sequence of variables forms a word in a language defined by a context-free grammar. The constraint has received a lot of attention ...
Gilles Pesant, Claude-Guy Quimper, Louis-Martin Ro...
CDC
2008
IEEE
148views Control Systems» more  CDC 2008»
16 years 1 months ago
Robust stabilization for arbitrarily switched linear systems with time-varying delays and uncertainties
Abstract— This paper studies the robust stability and stabilization problems for switched linear discrete-time systems. The parameter uncertainties in the system under considerat...
Lixian Zhang, Peng Shi, Michael V. Basin
CEC
2008
IEEE
16 years 1 months ago
Divide and conquer evolutionary TSP solution for vehicle path planning
— The problem of robotic area coverage is applicable to many domains, such as search, agriculture, cleaning, and machine tooling. The robotic area coverage task is concerned with...
Ryan J. Meuth, Donald C. Wunsch
ICDCSW
2008
IEEE
16 years 29 days ago
Mobility Control for Complete Coverage in Wireless Sensor Networks
In this paper, we propose a new control method to cover the “holes” in wireless sensor networks. Many applications often face the problem of holes when some sensor nodes are d...
Zhen Jiang, Jie Wu, Robert Kline, Jennifer Krantz