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VLDB
1987
ACM
108views Database» more  VLDB 1987»
15 years 9 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
CSL
1999
Springer
15 years 10 months ago
Anti-Symmetry of Higher-Order Subtyping
This paper gives the first proof that the subtyping relation of a higherorder lambda calculus, Fω ≤, is anti-symmetric, establishing in the process that the subtyping relation...
Adriana B. Compagnoni, Healfdene Goguen
KBSE
1997
IEEE
15 years 10 months ago
Moving Proofs-As-Programs into Practice
Proofs in the Nuprl system, an implementation of a constructive type theory, yield “correct-by-construction” programs. In this paper a new methodology is presented for extract...
James L. Caldwell
ICFP
1997
ACM
15 years 10 months ago
Strongly Typed Flow-Directed Representation Transformations
d Abstract) Allyn Dimock Harvard University Robert Muller Boston College Franklyn Turbak Wellesley College J. B. Wells∗ Glasgow University Topic Areas: compilation, lambda calcul...
Allyn Dimock, Robert Muller, Franklyn A. Turbak, J...
POPL
1996
ACM
15 years 10 months ago
From Region Inference to von Neumann Machines via Region Representation Inference
Region Inference is a technique for implementing programming languages that are based on typed call-by-value lambda calculus, such as Standard ML. The mathematical runtime model o...
Lars Birkedal, Mads Tofte, Magnus Vejlstrup