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» On Automating the Calculus of Relations
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VLDB
1987
ACM
108views Database» more  VLDB 1987»
13 years 12 months ago
Translating and Optimizing SQL Queries Having Aggregates
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
Günter von Bültzingsloewen
COSIT
2001
Springer
158views GIS» more  COSIT 2001»
14 years 1 months ago
Double-Crossing: Decidability and Computational Complexity of a Qualitative Calculus for Navigation
Abstract. The Double Cross calculus has been proposed for the purpose of navigation based on qualitative information about spatial configurations. Up until now, however, no result...
Alexander Scivos, Bernhard Nebel
LICS
1993
IEEE
14 years 19 days ago
A lambda calculus of objects and method specialization
This paper presents an untyped lambda calculus, extended with object primitives that reflect the capabilities of so-called delegation-based object-oriented languages. A type infer...
John C. Mitchell, Furio Honsell, Kathleen Fisher
FLOPS
2008
Springer
13 years 10 months ago
Pure, Declarative, and Constructive Arithmetic Relations (Declarative Pearl)
Oleg Kiselyov, William E. Byrd, Daniel P. Friedman...