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» A framework for user-interfaces to databases
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AMAI
2007
Springer
15 years 6 months ago
Database querying under changing preferences
We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is query modification: a query tran...
Jan Chomicki
SIGMOD
1994
ACM
99views Database» more  SIGMOD 1994»
15 years 10 months ago
Optimizing Queries on Files
We present a framework which allows the user to access and manipulate data uniformly, regardless of whether it resides in a database or in the file system (or in both). A key issu...
Mariano P. Consens, Tova Milo
PODS
1991
ACM
93views Database» more  PODS 1991»
15 years 10 months ago
The Expressiveness of a Family of Finite Set Languages
In this paper we characterise exactly the complexity of a set based database language called SRL, which presents a unified framework for queries and updates. By imposing simple s...
Neil Immerman, Sushant Patnaik, David W. Stemple
STEP
2005
IEEE
16 years 4 days ago
Using Metamodels in Service Interoperability
Interoperability in service oriented environments is heavily inuenced by the view that the cooperating services have on their data. e term service for the abstract contract concl...
Andreas Winter, Jürgen Ebert
P2PKM
2004
15 years 8 months ago
A Space-Efficient Model for Sharing Personal Knowledge Objects in Peer Communities
Abstract. In the future it is likely that peer communities will be routinely established for the purpose of sharing electronic resources and targeted information among groups of pe...
Fred S. Annexstein, Kenneth A. Berman