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CONSTRAINTS
2010
13 years 7 months ago
2010
MiniZinc arose as a response to the extended discussion at CP2006 of the need for a standard modelling language for CP. This is a challenging problem, and we believe MiniZinc makes...
WWW
2003
ACM
14 years 11 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
LATA
2009
Springer
14 years 5 months ago
2009
Springer
We introduce the class of Rigid Tree Automata (RTA), an extension of standard bottom-up automata on ranked trees with distinguished states called rigid. Rigid states define a rest...
EICS
2009
ACM
14 years 4 months ago
2009
ACM
Smart environments (e.g., airports, hospitals, stadiums, and other physical spaces using ubiquitous computing to empower many mobile people) provide novel challenges for usability...