1836 search results - page 108 / 368 » Hierarchies for semantic classes |
POLICY
2004
Springer
15 years 3 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
EACL
1993
ACL Anthology
14 years 11 months ago
1993
ACL Anthology
The paper presents a computational theory for resolving Japanese zero anaphora, based on the notion of discourse segment. We see that the discourse segment reduces the domain of a...
ACL
2010
14 years 8 months ago
2010
Extracting knowledge from unstructured text is a long-standing goal of NLP. Although learning approaches to many of its subtasks have been developed (e.g., parsing, taxonomy induc...
ICPR
2002
IEEE
15 years 11 months ago
2002
IEEE
The Non-negative Matrix Factorization technique (NMF) has been recently proposed for dimensionality reduction. NMF is capable to produce a region- or partbased representation of o...
ISAAC
2004
Springer
15 years 3 months ago
2004
Springer
We propose a model of computation where a Turing machine is given random access to an advice string. With random access, an advice string of exponential length becomes meaningful ...