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CORR
2011
Springer
207views Education» more  CORR 2011»
13 years 2 months ago
DB Category: Denotational Semantics for View-based Database Mappings
Abstract. We present a categorical denotational semantics for a database mapping, based on views, in the most general framework of a database integration/exchange. Developed databa...
Zoran Majkic
PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 8 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
EDBT
2011
ACM
225views Database» more  EDBT 2011»
12 years 11 months ago
On (not) indexing quadratic form distance by metric access methods
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
Tomás Skopal, Tomás Bartos, Jakub Lo...
ECP
1997
Springer
128views Robotics» more  ECP 1997»
14 years 3 days ago
SINERGY: A Linear Planner Based on Genetic Programming
In this paper we describe SINERGY, which is a highly parallelizable, linear planning system that is based on the genetic programming paradigm. Rather than reasoning about the world...
Ion Muslea
MM
2003
ACM
145views Multimedia» more  MM 2003»
14 years 1 months ago
Proscenium: a framework for spatio-temporal video editing
We present an approach to video editing where movie sequences are treated as spatio-temporal volumes that can be sheered and warped under user control. This simple capability enab...
Eric P. Bennett, Leonard McMillan