127 search results - page 20 / 26 » Algebraic Characterization of Logically Defined Tree Languag... |
CORR
2004
Springer
13 years 7 months ago
2004
Springer
In this paper we analyze the relationship between cyclic definitions and consistency in GelfondLifschitz's answer sets semantics (initially defined as `stable model semantics...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
We propose a novel conception language for exploring the results retrieved by several internet search services (like search engines) that cluster retrieved documents. The goal is ...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
ECAI
2006
Springer
13 years 11 months ago
2006
Springer
Minimal change is a fundamental principle for modeling system dynamics. In this paper, we study the issue of minimal change for Computational Tree Logic (CTL) model update. We firs...
EJC
2008
13 years 7 months ago
2008
It is known that every constraint-satisfaction problem (CSP) reduces, and is in fact polynomially equivalent, to a digraph coloring problem. By carefully analyzing the constructio...