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CCS
2007
ACM
16 years 19 days ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
MM
2005
ACM
172views Multimedia» more  MM 2005»
16 years 19 hour ago
Learning the semantics of multimedia queries and concepts from a small number of examples
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
Apostol Natsev, Milind R. Naphade, Jelena Tesic
KDD
2005
ACM
103views Data Mining» more  KDD 2005»
15 years 12 months ago
Key semantics extraction by dependency tree mining
We propose a new text mining system which extracts characteristic contents from given documents. We define Key semantics as characteristic sub-structures of syntactic dependencie...
Satoshi Morinaga, Hiroki Arimura, Takahiro Ikeda, ...
ICSNW
2004
Springer
188views Database» more  ICSNW 2004»
15 years 12 months ago
Peer Selection in Peer-to-Peer Networks with Semantic Topologies
Peer-to-Peer systems have proven to be an effective way of sharing data. Modern protocols are able to efficiently route a message to a given peer. However, determining the destin...
Peter Haase, Ronny Siebes, Frank van Harmelen
AOSD
2009
ACM
15 years 10 months ago
Semantic vs. syntactic compositions in aspect-oriented requirements engineering: an empirical study
Most current aspect composition mechanisms rely on syntactic references to the base modules or wildcard mechanisms quantifying over such syntactic references in pointcut expressio...
Ruzanna Chitchyan, Phil Greenwood, Américo ...