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» On-Demand Refinement of Dependent Types
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ENTCS
2006
116views more  ENTCS 2006»
13 years 5 months ago
Stepwise Refinement of Processes
Industry is looking to create a market in reliable "plug-and-play" components. To model components in a modular style it would be useful to combine event-based and state...
Steve Reeves, David Streader
ICDE
1995
IEEE
99views Database» more  ICDE 1995»
14 years 6 months ago
Record Subtyping in Flexible Relations by Means of Attribute Dependencies
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
Christian Kalus, Peter Dadam
POPL
1990
ACM
13 years 9 months ago
Higher-Order Modules and the Phase Distinction
Typed -calculus is an important tool in programming language research because it provides an extensible framework for studying language features both in isolation and in their rel...
Robert Harper, John C. Mitchell, Eugenio Moggi
APLAS
2007
ACM
13 years 9 months ago
Finally Tagless, Partially Evaluated
We have built the first family of tagless interpretations for a higher-order typed object language in a typed metalanguage (Haskell or ML) that require no dependent types, general...
Jacques Carette, Oleg Kiselyov, Chung-chieh Shan
ICDE
2000
IEEE
183views Database» more  ICDE 2000»
14 years 6 months ago
Accurate Estimation of the Cost of Spatial Selections
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
Ashraf Aboulnaga, Jeffrey F. Naughton