Sciweavers

2661 search results - page 253 / 533
» A Semantics for Abstraction
Sort
View
180
Voted
CORR
2010
Springer
116views Education» more  CORR 2010»
15 years 6 months ago
Dist-Orc: A Rewriting-based Distributed Implementation of Orc with Formal Analysis
Abstract. Orc is a theory of orchestration of services that allows structured programming of distributed and timed computations. Several formal semantics have been proposed for Orc...
Musab AlTurki, José Meseguer
POPL
2012
ACM
14 years 2 months ago
Algebraic foundations for effect-dependent optimisations
We present a general theory of Gifford-style type and effect annotations, where effect annotations are sets of effects. Generality is achieved by recourse to the theory of algebra...
Ohad Kammar, Gordon D. Plotkin
ESORICS
2000
Springer
15 years 10 months ago
Using Reflection as a Mechanism for Enforcing Security Policies in Mobile Code
Several authors have proposed using code modification as a technique for enforcing security policies such as resource limits, access controls, and network information flows. Howeve...
Ian Welch, Robert J. Stroud
ICIP
2001
IEEE
16 years 8 months ago
Category-based image retrieval
This work presents a novel approach to content-based image retrieval in categorical multimedia databases. The images are indexed using a combination of text and content descriptor...
Shawn D. Newsam, Baris Sumengen, B. S. Manjunath
WWW
2007
ACM
16 years 7 months ago
Altering document term vectors for classification: ontologies as expectations of co-occurrence
In this paper we extend the state-of-the-art in utilizing background knowledge for supervised classification by exploiting the semantic relationships between terms explicated in O...
Meenakshi Nagarajan, Amit P. Sheth, Marcos Kawazoe...