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» Constraint Satisfaction with Delayed Evaluation
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ICNP
2002
IEEE
14 years 2 months ago
Optimal Stream Replication for Video Simulcasting
Abstract—Video simulcasting enables a sender to generate replicated streams of different rates, serving receivers of diverse access bandwidths. As replication introduces noticeab...
Jiangchuan Liu, Bo Li
IDEAS
2005
IEEE
109views Database» more  IDEAS 2005»
14 years 3 months ago
Efficient Relational Joins with Arithmetic Constraints on Multiple Attributes
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
Chuang Liu, Lingyun Yang, Ian T. Foster
IS
2007
13 years 9 months ago
Semantic optimization techniques for preference queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
Jan Chomicki
AAAI
1994
13 years 11 months ago
Dead-End Driven Learning
The paper evaluates the eectiveness of learning for speeding up the solution of constraint satisfaction problems. It extends previous work (Dechter 1990) by introducing a new and ...
Daniel Frost, Rina Dechter
CONSTRAINTS
2002
111views more  CONSTRAINTS 2002»
13 years 9 months ago
A Constraint-Based Interactive Train Rescheduling Tool
In this paper, we report the design and implementation of a constraint-based interactive train rescheduling tool, a project in collaboration with the International Institute for So...
C. K. Chiu, C. M. Chou, Jimmy Ho-Man Lee, Ho-fung ...