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SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
15 years 10 months ago
Rank-aware Query Optimization
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
Ihab F. Ilyas, Rahul Shah, Walid G. Aref, Jeffrey ...
ICDE
2001
IEEE
121views Database» more  ICDE 2001»
15 years 11 months ago
Model-Based Mediation with Domain Maps
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
Amarnath Gupta, Bertram Ludäscher, Maryann E....
WWW
2008
ACM
15 years 10 months ago
Information retrieval and knowledge discovery on the semantic web of traditional chinese medicine
We conduct the first systematical adoption of the Semantic Web solution in the integration, management, and utilization of TCM information and knowledge resources. As the results,...
Zhaohui Wu, Tong Yu, Huajun Chen, Xiaohong Jiang, ...
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
DBISP2P
2003
Springer
92views Database» more  DBISP2P 2003»
15 years 3 months ago
Semantic Overlay Clusters within Super-Peer Networks
When joining information provider peers to a peer-to-peer network, an arbitrary distribution is sub-optimal. In fact, clustering peers by their characteristics, enhances search and...
Alexander Löser, Felix Naumann, Wolf Siberski...