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» The Logic of Large Enough
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SIGMOD
2008
ACM
182views Database» more  SIGMOD 2008»
14 years 10 months ago
Multi-tenant databases for software as a service: schema-mapping techniques
In the implementation of hosted business services, multiple tenants are often consolidated into the same database to reduce total cost of ownership. Common practice is to map mult...
Stefan Aulbach, Torsten Grust, Dean Jacobs, Alfons...
PODS
2008
ACM
152views Database» more  PODS 2008»
14 years 10 months ago
Towards a theory of schema-mapping optimization
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
Ronald Fagin, Phokion G. Kolaitis, Alan Nash, Luci...
TPHOL
1999
IEEE
14 years 2 months ago
Three Tactic Theorem Proving
Abstract. We describe the key features of the proof description language of Declare, an experimental theorem prover for higher order logic. We take a somewhat radical approach to p...
Don Syme
ICDT
1999
ACM
72views Database» more  ICDT 1999»
14 years 2 months ago
On the Generation of 2-Dimensional Index Workloads
A large number of database index structures have been proposed over the last two decades, and little consensus has emerged regarding their relative e ectiveness. In order to empir...
Joseph M. Hellerstein, Lisa Hellerstein, George Ko...
DLOG
2010
13 years 8 months ago
TBox Classification in Parallel: Design and First Evaluation
Abstract. One of the most frequently used inference services of description logic reasoners classifies all named classes of OWL ontologies into a subsumption hierarchy. Due to emer...
Mina Aslani, Volker Haarslev