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ICDT
2009
ACM
175views Database» more  ICDT 2009»
16 years 7 months ago
Structural characterizations of schema-mapping languages
Schema mappings are declarative specifications that describe the relationship between two database schemas. In recent years, there has been an extensive study of schema mappings a...
Balder ten Cate, Phokion G. Kolaitis
ICFP
2009
ACM
16 years 7 months ago
Effective interactive proofs for higher-order imperative programs
We present a new approach for constructing and verifying higherorder, imperative programs using the Coq proof assistant. We build on the past work on the Ynot system, which is bas...
Adam J. Chlipala, J. Gregory Malecha, Greg Morrise...
ICFP
2006
ACM
16 years 6 months ago
Type-theoretic design patterns
The development of design patterns in object-oriented programming aims at capturing good software design in a re-usable generic form. However, design patterns are not expressible ...
Ondrej Rypacek, Roland Carl Backhouse, Henrik Nils...
STOC
2010
ACM
216views Algorithms» more  STOC 2010»
16 years 4 months ago
The HOM problem is decidable
We close affirmatively a question which has been open for long time: decidability of the HOM problem. The HOM problem consists in determining, given a tree homomorphism D and a re...
Guillem Godoy, Omer Giménez, Lander Ramos and Car...
HICSS
2002
IEEE
140views Biometrics» more  HICSS 2002»
15 years 11 months ago
Intelligent Student Profiling with Fuzzy Models
Traditional Web-based educational systems still have several shortcomings when comparing with a real-life classroom teaching, such as lack of contextual and adaptive support, lack...
Dongming Xu, Huaiqing Wang, Kaile Su