Sciweavers

3319 search results - page 42 / 664
» Type Theoretical Databases
Sort
View
RSKT
2007
Springer
15 years 3 months ago
ROSA: An Algebra for Rough Spatial Objects in Databases
Abstract. A fundamental data modeling problem in geographical information systems and spatial database systems refers to an appropriate treatment of the vagueness or indeterminacy ...
Markus Schneider, Alejandro Pauly
FOCS
1992
IEEE
15 years 1 months ago
Efficient Inference of Partial Types
Partial types for the -calculus were introduced by Thatte in 1988 [3] as a means of typing objects that are not typable with simple types, such as heterogeneous lists and persiste...
Dexter Kozen, Jens Palsberg, Michael I. Schwartzba...
TLCA
1993
Springer
15 years 1 months ago
Recursive Types Are not Conservative over F
d abstract) Giorgio Ghelli1 F≤ is a type system used to study the integration of inclusion and parametric polymorphism. F≤ does not include a notion of recursive types, but ext...
Giorgio Ghelli
TLCA
2007
Springer
15 years 3 months ago
Strong Normalization and Equi-(Co)Inductive Types
e type system for the l—m˜d—E™—l™ulus enri™hed with re™urE sive —nd ™ore™ursive fun™tions over equiEindu™tive —nd E™oindu™tive types is presented in whi™h —ll wel...
Andreas Abel
ACMSE
2006
ACM
15 years 3 months ago
Type inference and informative error reporting for secure information flow
If we classify the variables of a program into various security levels, then a secure information flow analysis aims to verify statically that information in the program can flo...
Zhenyue Deng, Geoffrey Smith