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LOPSTR
2007
Springer
14 years 2 months ago
Aggregates for CHR through Program Transformation
We propose an extension of Constraint Handling Rules (CHR) with aggregates such as sum, count, findall, and min. This new feature significantly improves the conciseness and expres...
Peter Van Weert, Jon Sneyers, Bart Demoen
INFOCOM
2011
IEEE
12 years 12 months ago
Optimal channel assignment and power allocation for dual-hop multi-channel multi-user relaying
Abstract—We consider the problem of jointly optimizing channel pairing, channel-user assignment, and power allocation in a single-relay multiple-access system. The optimization o...
Mahdi Hajiaghayi, Min Dong, Ben Liang
ERSHOV
2006
Springer
14 years 5 days ago
Solution Strategies for Multi-domain Constraint Logic Programs
We integrate a logic programming language into Meta-S, a flexible and extendable constraint solver cooperation system, by treating resolution as constraint solver. This new approac...
Stephan Frank, Petra Hofstedt, Peter Pepper, Dirk ...
AAAI
2004
13 years 10 months ago
QUICKXPLAIN: Preferred Explanations and Relaxations for Over-Constrained Problems
Over-constrained problems can have an exponential number of conflicts, which explain the failure, and an exponential number of relaxations, which restore the consistency. A user o...
Ulrich Junker
AMT
2009
Springer
116views Multimedia» more  AMT 2009»
14 years 3 months ago
Unifying Web-Scale Search and Reasoning from the Viewpoint of Granularity
Considering the time constraints and Web scale data, it is impossible to achieve absolutely complete reasoning results. Plus, the same results may not meet the diversity of user ne...
Yi Zeng, Yan Wang, Zhisheng Huang, Ning Zhong