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DAWAK
2006
Springer
15 years 1 months ago
A Versioning Management Model for Ontology-Based Data Warehouses
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of the...
Dung Nguyen Xuan, Ladjel Bellatreche, Guy Pierra
SAFECOMP
1998
Springer
15 years 2 months ago
An Agenda for Specifying Software Components with Complex Data Models
Abstract. We present a method to specify software for a special kind of safetycritical embedded systems, where sensors deliver low-level values that must be abstracted and pre-proc...
Kirsten Winter, Thomas Santen, Maritta Heisel
IDEAS
2003
IEEE
100views Database» more  IDEAS 2003»
15 years 3 months ago
Querying XML Data by the Nested Relational Sequence Database System
In this concise paper, we present the Nested Relational Sequence Model (NRSM), which is an extension of the Nested Relational Data Model in order to handle XML data. We also intro...
Ho Lam Lau, Wilfred Ng
ICASSP
2011
IEEE
14 years 1 months ago
Joint dictionary learning and topic modeling for image clustering
A new Bayesian model is proposed, integrating dictionary learning and topic modeling into a unified framework. The model is applied to cluster multiple images, and a subset of th...
Lingbo Li, Mingyuan Zhou, Eric Wang, Lawrence Cari...
PODS
2007
ACM
108views Database» more  PODS 2007»
15 years 10 months ago
Machine models and lower bounds for query processing
This paper gives an overview of recent work on machine models for processing massive amounts of data. The main focus is on generalizations of the classical data stream model where...
Nicole Schweikardt