Sciweavers

9 search results - page 1 / 2
» Rules with Contextually Scoped Negation
Sort
View
ESWS
2006
Springer
13 years 8 months ago
Rules with Contextually Scoped Negation
Knowledge representation formalisms used on the Semantic Web adhere to a strict open world assumption. Therefore, nonmonotonic reasoning techniques are often viewed with scepticism...
Axel Polleres, Cristina Feier, Andreas Harth
RR
2010
Springer
13 years 2 months ago
Analyzing the AIR Language: A Semantic Web (Production) Rule Language
The Accountability In RDF (AIR) language is an N3-based, Semantic Web production rule language that supports nested activation of rules, negation, closed world reasoning, scoped co...
Ankesh Khandelwal, Jie Bao, Lalana Kagal, Ian Jaco...
CIKM
2009
Springer
13 years 11 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
CICLING
2001
Springer
13 years 9 months ago
Contextual Rules for Text Analysis
In this paper we describe a rule-based formalism for the analysis and labelling of texts segments. The rules are contextual rewriting rules with a restricted form of negation. They...
Dina Wonsever, Jean-Luc Minel
FOSSACS
2004
Springer
13 years 8 months ago
On the Expressiveness of Infinite Behavior and Name Scoping in Process Calculi
In the literature there are several CCS-like process calculi differing in the constructs for the specification of infinite behavior and in the scoping rules for channel names. In t...
Pablo Giambiagi, Gerardo Schneider, Frank D. Valen...