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» Querying and Manipulating Temporal Databases
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CORR
2010
Springer
90views Education» more  CORR 2010»
13 years 7 months ago
Table manipulation in simplicial databases
In [Spi], we developed a category of databases in which the schema of a database is represented as a simplicial set. Each simplex corresponds to a table in the database. There, our...
David I. Spivak
VLDB
1992
ACM
112views Database» more  VLDB 1992»
13 years 11 months ago
Incomplete Information in Relational Temporal Databases
For the conventional relational model there has been considerable research in the area of incomplete information. On the other hand, research in temporal databases has concentrated...
Shashi K. Gadia, Sunil S. Nair, Yiu-Cheong Poon
CBMS
2006
IEEE
14 years 1 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
CORR
2002
Springer
81views Education» more  CORR 2002»
13 years 7 months ago
Towards practical meta-querying
We describe a meta-querying system for databases containing queries in addition to ordinary data. In the context of such databases, a meta-query is a query about queries. Represen...
Jan Van den Bussche, Stijn Vansummeren, Gottfried ...
DBPL
2001
Springer
113views Database» more  DBPL 2001»
14 years 5 days ago
Model-Checking Based Data Retrieval
In this paper we develop a new method for solving queries on semistructured data. The main idea is to see a database as a Kripke Transition System (a model) and a query as a formul...
Agostino Dovier, Elisa Quintarelli