Sciweavers

166 search results - page 6 / 34
» A Theory of Signs for Database Semantics
Sort
View
MOBICOM
2005
ACM
14 years 1 months ago
Abiding geocast: time--stable geocast for ad hoc networks
Abiding geocast is a time stable geocast delivered to all nodes that are inside a destination region within a certain period of time. Services like position–based advertising, p...
Christian Maihöfer, Tim Leinmüller, Elma...
CICLING
2003
Springer
14 years 27 days ago
Total Lexicalism and GASGrammars: A Direct Way to Semantics
A new sort of generative grammar (Sec2) will be demonstrated which is more radically “lexicalist” than any earlier one (Sec1). It is a modified Unification Categorial Gramma...
Gábor Alberti, Katalin Balogh, Judit Kleibe...
IJCIS
1998
78views more  IJCIS 1998»
13 years 7 months ago
Merging Databases Under Constraints
The problem of integrating information from con icting sources comes up in many current applications, such as cooperative information systems, heterogeneous databases, and multi-a...
Jinxin Lin, Alberto O. Mendelzon
PODS
2007
ACM
131views Database» more  PODS 2007»
14 years 7 months ago
Provenance semirings
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
Todd J. Green, Gregory Karvounarakis, Val Tannen
JOLLI
2002
74views more  JOLLI 2002»
13 years 7 months ago
Referent Systems and Relational Grammar
Abstract. Relational Grammar (RG) was introduced in the 70's as a theory of grammatical relations and relation change, for example, passivization, dative shift, and raising. F...
Marcus Kracht