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ICDE
2008
IEEE
130views Database» more  ICDE 2008»
16 years 8 months ago
Efficient Computation of Diverse Query Results
We study the problem of efficiently computing diverse query results in online shopping applications, where users specify queries through a form interface that allows a mix of stru...
Erik Vee, Utkarsh Srivastava, Jayavel Shanmugasund...
SEBD
2001
145views Database» more  SEBD 2001»
15 years 8 months ago
Reasoning over Conceptual Schemas and Queries in Temporal Databases
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
Alessandro Artale, Enrico Franconi, Milenko Mosuro...
DEXAW
2007
IEEE
100views Database» more  DEXAW 2007»
16 years 1 months ago
Exploring a Geographical Dataset with GEOLIS
Geographical data are mainly structured in layers of information. However, this model of organisation is not convenient for navigation inside a dataset, and so limits geographical...
Olivier Bedel, Sébastien Ferré, Oliv...
CORR
2002
Springer
187views Education» more  CORR 2002»
15 years 6 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
BMVC
2010
15 years 4 months ago
Motion Coherent Tracking with Multi-label MRF optimization
We present a novel off-line algorithm for target segmentation and tracking in video. In our approach, video data is represented by a multi-label Markov Random Field model, and seg...
David Tsai, Matthew Flagg, James M. Rehg