Sciweavers

4047 search results - page 718 / 810
» Some Properties and Some Problems on Set Functors
Sort
View
ICDE
2009
IEEE
210views Database» more  ICDE 2009»
16 years 6 months ago
Keyword Search in Spatial Databases: Towards Searching by Document
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
Dongxiang Zhang, Yeow Meng Chee, Anirban Mondal, A...
SIGSOFT
2003
ACM
16 years 5 months ago
Behaviour model elaboration using partial labelled transition systems
State machine based formalisms such as labelled transition systems (LTS) are generally assumed to be complete descriptions m behaviour at some level of abstraction: if a labelled ...
Sebastián Uchitel, Jeff Kramer, Jeff Magee
SIGSOFT
2003
ACM
16 years 5 months ago
Protecting C programs from attacks via invalid pointer dereferences
Writes via unchecked pointer dereferences rank high among vulnerabilities most often exploited by malicious code. The most common attacks use an unchecked string copy to cause a b...
Suan Hsi Yong, Susan Horwitz
POPL
2006
ACM
16 years 4 months 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
POPL
2003
ACM
16 years 4 months ago
Pure patterns type systems
We introduce a new framework of algebraic pure type systems in which we consider rewrite rules as lambda terms with patterns and rewrite rule application as abstraction applicatio...
Gilles Barthe, Horatiu Cirstea, Claude Kirchner, L...