Sciweavers

2272 search results - page 359 / 455
» A Calculus for
Sort
View
123
Voted
CADE
2012
Springer
13 years 3 months ago
SPARQL Query Containment under RDFS Entailment Regime
The problem of SPARQL query containment is defined as determining if the result of one query is included in the result of another for any RDF graph. Query containment is important...
Melisachew Wudage Chekol, Jérôme Euze...
ICDE
2004
IEEE
120views Database» more  ICDE 2004»
16 years 2 months ago
Algebraic Signatures for Scalable Distributed Data Structures
Signatures detect changes to the data objects. Numerous schemes a known, e.g., the popular hash based SHA-1 standard. We propose a nov scheme we call algebraic signatures. We use ...
Witold Litwin, Thomas J. E. Schwarz
224
Voted
ICFP
2009
ACM
16 years 1 months ago
Causal commutative arrows and their optimization
re a popular form of abstract computation. Being more general than monads, they are more broadly applicable, and in parare a good abstraction for signal processing and dataflow co...
Hai Liu, Eric Cheng, Paul Hudak
210
Voted
POPL
2009
ACM
16 years 1 months ago
Masked types for sound object initialization
This paper presents a type-based solution to the long-standing problem of object initialization. Constructors, the conventional mechanism for object initialization, have semantics...
Xin Qi, Andrew C. Myers
120
Voted
ICFP
2007
ACM
16 years 20 days ago
A type system for recursive modules
There has been much work in recent years on extending ML with recursive modules. One of the most difficult problems in the development of such an extension is the double vision pr...
Derek Dreyer