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VLDB
1997
ACM

109views Database» more VLDB 1997»

Logical and Physical Versioning in Main Memory Databases

13 years 11 months ago

We present a design for multi-version concurrency control and recovery in a main memory database, and describe logical and physical versioning schemes that allow read-only transac...

Rajeev Rastogi, S. Seshadri, Philip Bohannon, Denn...

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28

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DMDW
2001

194views Management» more DMDW 2001»

Logical Multidimensional Database Design for Ragged and Unbalanced Aggregation

13 years 9 months ago

Download sunsite.informatik.rwth-aachen.de

Research on logical design of OLAP cubes has tended to assume that the rollup hierarchy in a cube dimension takes the form of a balanced tree. However, experience from industry in...

Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch

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28

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AAAI
1996

160views Intelligent Agents» more AAAI 1996»

Learning to Parse Database Queries Using Inductive Logic Programming

13 years 9 months ago

Download www.cs.utexas.edu

This paper presents recent work using the Chill parser acquisition system to automate the construction of a natural-language interface for database queries. Chill treats parser ac...

John M. Zelle, Raymond J. Mooney

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23

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VLDB
1987
ACM

72views Database» more VLDB 1987»

Providing Time-Related Constraints for Conventional Database Systems

13 years 11 months ago

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A model for a historical database is described which is based upon time-stamped tuples as the unit of storage. The model includes both physical and logical time-stamps. The techni...

T. Abbod, K. Brown, H. Noble

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22

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PODS
2004
ACM

92views Database» more PODS 2004»

Logical Foundations of Peer-To-Peer Data Integration

14 years 7 months ago

Download www.dis.uniroma1.it

Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...

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