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CATS
2008
15 years 6 months ago
Tractable Cases of the Extended Global Cardinality Constraint
We study the consistency problem for extended global cardinality (EGC) constraints. An EGC constraint consists of a set X of variables, a set D of values, a domain D(x) D for eac...
Marko Samer, Stefan Szeider
BIOSTEC
2008
148views Healthcare» more  BIOSTEC 2008»
15 years 6 months ago
Representing and Reasoning with Temporal Constraints in Clinical Trials Using Semantic Technologies
Clinical trial protocols include schedule of clinical trial activities such as clinical tests, procedures, and medications. The schedule specifies temporal constraints on the seque...
Ravi D. Shankar, Susana B. Martins, Martin J. O'Co...
DATAMINE
2007
110views more  DATAMINE 2007»
15 years 4 months ago
The complexity of non-hierarchical clustering with instance and cluster level constraints
Recent work has looked at extending clustering algorithms with instance level must-link (ML) and cannot-link (CL) background information. Our work introduces δ and ǫ cluster lev...
Ian Davidson, S. S. Ravi
IVC
2007
131views more  IVC 2007»
15 years 4 months ago
Multi-view correspondence by enforcement of rigidity constraints
Establishing the correct correspondence between features in an image set remains a challenging problem amongst computer vision researchers. In fact, the combinatorial nature of fe...
Ricardo Oliveira, João Xavier, João ...
COGSCI
2004
81views more  COGSCI 2004»
15 years 4 months ago
Soft constraints in interactive behavior: the case of ignoring perfect knowledge in-the-world for imperfect knowledge in-the-hea
Constraints and dependencies among the elements of embodied cognition form patterns or microstrategies of interactive behavior. Hard constraints determine which microstrategies ar...
Wayne D. Gray, Wai-Tat Fu