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» Problem Solving in the DISCO Constraint Database System
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PODS
2005
ACM
124views Database» more  PODS 2005»
15 years 10 months ago
Diagnosis of asynchronous discrete event systems: datalog to the rescue!
We consider query optimization techniques for data intensive P2P applications. We show how to adapt an old technique from deductive databases, namely Query-Sub-Query (QSQ), to a s...
Serge Abiteboul, Stefan Haar, Tova Milo, Zoë ...
ANOR
2004
208views more  ANOR 2004»
14 years 9 months ago
Airline Crew Rostering: Problem Types, Modeling, and Optimization
Airline crew rostering is an important part of airline operations and an interesting problem for the application of operations research. The objective is to assign anonymous crew p...
Niklas Kohl, Stefan E. Karisch
DBVIS
1993
101views Database» more  DBVIS 1993»
15 years 1 months ago
Using Visualization to Support Data Mining of Large Existing Databases
In this paper, we present ideas how visualization technology can be used to improve the difficult process of querying very large databases. With our VisDB system, we try to provid...
Daniel A. Keim, Hans-Peter Kriegel
PVLDB
2008
146views more  PVLDB 2008»
14 years 9 months ago
Graceful database schema evolution: the PRISM workbench
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
KDD
1994
ACM
98views Data Mining» more  KDD 1994»
15 years 1 months ago
Rule Induction for Semantic Query Optimization
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
Chun-Nan Hsu, Craig A. Knoblock