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» Context Consistency Management Using Ontology Based Model
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RTSS
2007
IEEE
14 years 1 months ago
Chronos: Feedback Control of a Real Database System Performance
It is challenging to process transactions in a timely fashion using fresh data, e.g., current stock prices, since database workloads may considerably vary due to dynamic data/reso...
Kyoung-Don Kang, Jisu Oh, Sang Hyuk Son
EDBT
2000
ACM
13 years 11 months ago
Dynamically Optimizing High-Dimensional Index Structures
In high-dimensional query processing, the optimization of the logical page-size of index structures is an important research issue. Even very simple query processing techniques suc...
Christian Böhm, Hans-Peter Kriegel
CJ
1999
80views more  CJ 1999»
13 years 7 months ago
Resolving Executing-Committing Conflicts in Distributed Real-time Database Systems
In a distributed real-time database system (DRTDBS), a commit protocol is required to ensure transaction failure atomicity. If data conflicts occur between executing and committin...
Kam-yiu Lam, Chung-Leung Pang, Sang Hyuk Son, Jian...
HEURISTICS
2010
13 years 2 months ago
An evolutionary and constructive approach to a crew scheduling problem in underground passenger transport
Operation management of underground passenger transport systems is associated with combinatorial optimization problems (known as crew and train scheduling and rostering) which bel...
Rafael Elizondo, Víctor Parada, Lorena Prad...
SDB
1995
178views Database» more  SDB 1995»
13 years 11 months ago
A Semantics-based Approach to Design of Query Languages for Partial Information
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
Leonid Libkin