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CASCON
2004
108views Education» more  CASCON 2004»
15 years 1 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
POPL
2004
ACM
16 years 1 days ago
Tridirectional typechecking
In prior work we introduced a pure type assignment system that encompasses a rich set of property types, including intersections, unions, and universally and existentially quantif...
Joshua Dunfield, Frank Pfenning
LOGCOM
2000
63views more  LOGCOM 2000»
14 years 11 months ago
Reflection principles in computational logic
We introduce the concept of reflection principle as a knowledge representation paradigm in a computational logic setting. Reflection principles are expressed as certain kinds of l...
Jonas Barklund, Pierangelo Dell'Acqua, Stefania Co...
POPL
2006
ACM
16 years 1 days ago
On flow-sensitive security types
This article investigates formal properties of a family of semantically sound flow-sensitive type systems for tracking information flow in simple While programs. The family is ind...
Sebastian Hunt, David Sands
ENTCS
2008
97views more  ENTCS 2008»
14 years 11 months ago
Meta-programming With Built-in Type Equality
We report our experience with exploring a new point in the design space for formal reasoning systems: the development of the programming language mega. mega is intended as both a ...
Tim Sheard, Emir Pasalic