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» On database query languages for K-relations
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SSDBM
2003
IEEE
123views Database» more  SSDBM 2003»
14 years 2 months ago
MoBIoS: A Metric-Space DBMS to Support Biological Discovery
MoBIoS is a specialized database management system whose storage manager is based on metric-space indexing, and whose query language entails biological data types. When relational...
Daniel P. Miranker, Weijia Xu, Rui Mao
ICDE
2005
IEEE
105views Database» more  ICDE 2005»
14 years 10 months ago
Representing and Querying Data Transformations
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
John Mylopoulos, Renée J. Miller, Yannis Ve...
CBMS
2006
IEEE
14 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
DEXAW
2000
IEEE
92views Database» more  DEXAW 2000»
14 years 1 months ago
Consistent Queries over Cardinal Directions across Different Levels of Detail
Current models for cardinal directions, such as north and northeast, are either point-based or region-based, but no models exist that apply equally, independent of the geometric d...
Roop K. Goyal, Max J. Egenhofer
EDBT
2010
ACM
144views Database» more  EDBT 2010»
14 years 15 days ago
Timely YAGO: harvesting, querying, and visualizing temporal knowledge from Wikipedia
Recent progress in information extraction has shown how to automatically build large ontologies from high-quality sources like Wikipedia. But knowledge evolves over time; facts ha...
Yafang Wang, Mingjie Zhu, Lizhen Qu, Marc Spaniol,...