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» A Theory of Signs for Database Semantics
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WWW
2010
ACM
14 years 2 months ago
Predicting positive and negative links in online social networks
We study online social networks in which relationships can be either positive (indicating relations such as friendship) or negative (indicating relations such as opposition or ant...
Jure Leskovec, Daniel P. Huttenlocher, Jon M. Klei...
ENTCS
2006
117views more  ENTCS 2006»
13 years 7 months ago
Interpreting SWRL Rules in RDF Graphs
An unresolved issue in SWRL (the Semantic Web Rule Language) is whether the intended semantics of its RDF representation can be described as an extension of the W3C RDF semantics....
Jing Mei, Harold Boley
JANCL
2006
123views more  JANCL 2006»
13 years 7 months ago
Approximate databases: a support tool for approximate reasoning
This paper describes an experimental platform for approximate knowledge databases called the Approximate Knowledge Database (AKDB), based on a semantics inspired by rough sets. The...
Patrick Doherty, Martin Magnusson, Andrzej Szalas
COLING
2000
13 years 9 months ago
Querying Temporal Databases Using Controlled Natural Language
Recent years have shown a surge in interest in temporal database systems, which allow users to store time-dependent intbrmation. We present a novel controlled natural language int...
Rani Nelken, Nissim Francez
CORR
2010
Springer
132views Education» more  CORR 2010»
13 years 7 months ago
Functorial Data Migration
In this paper we present a simple database definition language: that of categories and functors. A database schema is a category and a state is a set-valued functor. We show that m...
David I. Spivak