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» The Essence of Form Abstraction
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ISMIS
2000
Springer
13 years 11 months ago
Extended Query Answering Using Integrity Rules
Abstract. The conventional use of databases is commonly restricted to the retrieval of factual data in the form of tuples or records. However most databases also contain metadata i...
Barry G. T. Lowden, Jerome Robinson
CHI
1995
ACM
13 years 11 months ago
Belvedere: stimulating students' critical discussion
We describe “Belvedere,” a system to support students engaged in critical discussion of science and public policy issues. The design is intended to address cognitive and metac...
Massimo Paolucci, Daniel D. Suthers, Arlene Weiner
DLOG
2007
13 years 10 months ago
A New Mapping from ALCI to ALC
Abstract. This paper studies a technique for mapping ALCI knowledge bases into ALC. Worst-case optimal tableau-based procedures for the satisfiability/consistency problem w.r.t. g...
Yu Ding, Volker Haarslev, Jiewen Wu
CSL
2008
Springer
13 years 10 months ago
Syntactic Metatheory of Higher-Order Subtyping
Abstract. We present a new proof of decidability of higher-order subtyping in the presence of bounded quantification. The algorithm is formulated as a judgement which operates on b...
Andreas Abel, Dulma Rodriguez
ECAI
2008
Springer
13 years 10 months ago
Vivifying Propositional Clausal Formulae
Abstract. In this paper, we present a new way to preprocess Boolean formulae in Conjunctive Normal Form (CNF). In contrast to most of the current pre-processing techniques, our app...
Cédric Piette, Youssef Hamadi, Lakhdar Sais