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PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 8 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
ALT
2004
Springer
14 years 5 months ago
Comparison of Query Learning and Gold-Style Learning in Dependence of the Hypothesis Space
Different formal learning models address different aspects of learning. Below we compare learning via queries—interpreting learning as a one-shot process in which the learner i...
Steffen Lange, Sandra Zilles
POPL
2005
ACM
14 years 9 months ago
A simple typed intermediate language for object-oriented languages
Traditional class and object encodings are difficult to use in practical type-preserving compilers because of the complexity of the encodings. We propose a simple typed intermedia...
Juan Chen, David Tarditi
ECOOP
2007
Springer
14 years 2 months ago
Metaprogramming with Traits
Abstract. In many domains, classes have highly regular internal structure. For example, so-called business objects often contain boilerplate code for mapping database fields to cl...
John H. Reppy, Aaron Turon
ENTCS
2006
145views more  ENTCS 2006»
13 years 8 months ago
Cooperation-based Invariants for OO Languages
In general, invariants may depend on the state of other objects. The approach introduced in this paper allows this for objects of mutually visible classes, in a way that supports ...
Ronald Middelkoop, Cornelis Huizing, Ruurd Kuiper,...