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» Concept Expansion Using Semantic Fisheye Views
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CSFW
2003
IEEE
14 years 25 days ago
Understanding SPKI/SDSI Using First-Order Logic
SPKI/SDSI is a language for expressing distributed access control policy, derived from SPKI and SDSI. We provide a first-order logic (FOL) semantics for SDSI, and show that it ha...
Ninghui Li, John C. Mitchell
CORR
2011
Springer
202views Education» more  CORR 2011»
12 years 11 months ago
First-order Logic: Modality and Intensionality
Contemporary use of the term ’intension’ derives from the traditional logical Frege-Russell’s doctrine that an idea (logic formula) has both an extension and an intension. Al...
Zoran Majkic
NAACL
2003
13 years 9 months ago
Monolingual and Bilingual Concept Visualization from Corpora
e by placing terms in an abstract ‘information space’ based on their occurrences in text corpora, and then allowing a user to visualize local regions of this information space....
Dominic Widdows, Scott Cederberg
LREC
2008
89views Education» more  LREC 2008»
13 years 9 months ago
Development and Alignment of a Domain-Specific Ontology for Question Answering
With the appearance of Semantic Web technologies, it becomes possible to develop novel, sophisticated question answering systems, where ontologies are usually used as the core kno...
Shiyan Ou, Viktor Pekar, Constantin Orasan, Christ...
WWW
2001
ACM
14 years 8 months ago
Placing search in context: the concept revisited
We describe a new paradigm for performing search in context. In the IntelliZap system we developed, search is initiated from a text query marked by the user in a document she view...
Lev Finkelstein, Evgeniy Gabrilovich, Yossi Matias...