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HASKELL
2007
ACM
15 years 8 months ago
Comprehensive comprehensions
We propose an extension to list comprehensions that makes it easy to express the kind of queries one would write in SQL using ORDER BY, GROUP BY, and LIMIT. Our extension adds exp...
Simon L. Peyton Jones, Philip Wadler
130
Voted
AAAI
1994
15 years 5 months ago
Temporal Reasoning with Constraints on Fluents and Events
We propose a propositional language for temporal reasoning that is computationally effective yet expressive enough to describe information about fluents, events and temporal const...
Eddie Schwalb, Kalev Kask, Rina Dechter
131
Voted
TOCL
2002
96views more  TOCL 2002»
15 years 4 months ago
On first-order topological queries
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
Martin Grohe, Luc Segoufin
ATVA
2009
Springer
158views Hardware» more  ATVA 2009»
15 years 11 months ago
Logahedra: A New Weakly Relational Domain
Weakly relational numeric domains express restricted classes of linear inequalities that strike a balance between what can be described and what can be efficiently computed. Popula...
Jacob M. Howe, Andy King
IJCAI
2001
15 years 6 months ago
Ontology Reasoning in the SHOQ(D) Description Logic
Ontologies are set to play a key r^ole in the "Semantic Web" by providing a source of shared and precisely defined terms that can be used in descriptions of web resource...
Ian Horrocks, Ulrike Sattler