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» Query Containment for Data Integration Systems
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ICDE
2000
IEEE
116views Database» more  ICDE 2000»
15 years 11 months ago
Query Plans for Conventional and Temporal Queries Involving Duplicates and Ordering
Most real-world database applications contain a substantial portion of time-referenced, or temporal, data. Recent advances in temporal query languages show that such database appl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
DEXAW
2005
IEEE
132views Database» more  DEXAW 2005»
15 years 3 months ago
Information Integration from Semantically Heterogeneous Biological Data Sources
We present the first prototype of INDUS (Intelligent Data Understanding System), a federated, query-centric system for information integration and knowledge acquisition from dist...
Doina Caragea, Jie Bao, Jyotishman Pathak, Adrian ...
CBMS
2006
IEEE
15 years 3 months ago
An Ontology-Driven Mediator for Querying Time-Oriented Biomedical Data
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
Martin J. O'Connor, Ravi Shankar, Amar K. Das
ISTA
2004
14 years 11 months ago
Combining the Best of Global-as-View and Local-as-View for Data Integration
Currently, there are two main basic approaches to data integration: Global-as-View (GaV) and Local-as-View (LaV). However, both GaV and LaV have their limitations. In a GaV approa...
Li Xu, David W. Embley
EDBT
2009
ACM
149views Database» more  EDBT 2009»
14 years 7 months ago
Towards integrated and efficient scientific sensor data processing: a database approach
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
Ji Wu, Yongluan Zhou, Karl Aberer, Kian-Lee Tan