Sciweavers

6016 search results - page 959 / 1204
» The semantics of graphical languages
Sort
View
CCS
2005
ACM
16 years 7 days ago
A framework for concrete reputation-systems with applications to history-based access control
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Karl Krukow, Mogens Nielsen, Vladimiro Sassone
POPL
1994
ACM
15 years 10 months ago
Formally Optimal Boxing
An important implementation decision in polymorphically typed functional programming languages is whether to represent data in boxed or unboxed form and when to transform them fro...
Fritz Henglein, Jesper Jørgensen
SIGCSE
1990
ACM
126views Education» more  SIGCSE 1990»
15 years 10 months ago
A philosophy and example of CS-1 programming projects
This paper presents a philosophy underlying CS-1 programming projects, and illustrates this philosophy with a concrete example. Integral to the philosophy is the use of Ada packag...
Richard E. Pattis
EDBT
2009
ACM
170views Database» more  EDBT 2009»
15 years 10 months ago
Efficient constraint evaluation in categorical sequential pattern mining for trajectory databases
The classic Generalized Sequential Patterns (GSP) algorithm returns all frequent sequences present in a database. However, usually a few ones are interesting from a user's po...
Leticia I. Gómez, Alejandro A. Vaisman
CSFW
2004
IEEE
15 years 10 months ago
Cassandra: Flexible Trust Management, Applied to Electronic Health Records
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
Moritz Y. Becker, Peter Sewell