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DBPL
1995
Springer
106views Database» more  DBPL 1995»
13 years 11 months ago
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
Guozhu Dong, Leonid Libkin, Limsoon Wong
ICDT
2010
ACM
219views Database» more  ICDT 2010»
14 years 4 months ago
Aggregate Queries for Discrete and Continuous Probabilistic XML
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
Serge Abiteboul, T.-H Hubert Chan, Evgeny Kharlamo...
ICSM
2008
IEEE
14 years 1 months ago
Non-invasive and non-scattered annotations for more robust pointcuts
Annotations are often mentioned as a potential alternative to tackle the fragile nature of AspectJ pointcuts. However, annotations themselves can be considered crosscutting elemen...
Leonardo Silva, Samuel Domingues, Marco Tulio de O...
ICLP
2007
Springer
14 years 1 months ago
Minimal Logic Programs
aa We consider the problem of obtaining a minimal logic program strongly equivalent (under the stable models semantics) to a given arbitrary propositional theory. We propose a meth...
Pedro Cabalar, David Pearce, Agustín Valver...
ECML
2005
Springer
14 years 1 months ago
Learning to Complete Sentences
Abstract. We consider the problem of predicting how a user will continue a given initial text fragment. Intuitively, our goal is to develop a “tab-complete” function for natura...
Steffen Bickel, Peter Haider, Tobias Scheffer