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» Supporting top-k join queries in relational databases
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ISI
2003
Springer
15 years 3 months ago
Active Database Systems for Monitoring and Surveillance
In many intelligence and security tasks it is necessary to monitor data in database in order to detect certain events or changes. Currently, database systems offer triggers to pro...
Antonio Badia
SSDBM
2009
IEEE
77views Database» more  SSDBM 2009»
15 years 4 months ago
Query Recommendations for Interactive Database Exploration
Abstract. Relational database systems are becoming increasingly popular in the scientific community to support the interactive exploration of large volumes of data. In this scenar...
Gloria Chatzopoulou, Magdalini Eirinaki, Neoklis P...
CORR
2010
Springer
138views Education» more  CORR 2010»
14 years 10 months ago
A Logical Temporal Relational Data Model
Time is one of the most difficult aspects to handle in real world applications such as database systems. Relational database management systems proposed by Codd offer very little ...
Nadeem Mahmood, Aqil Burney, Kamran Ahsan
VLDB
2002
ACM
157views Database» more  VLDB 2002»
15 years 10 months ago
A formal perspective on the view selection problem
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
Rada Chirkova, Alon Y. Halevy, Dan Suciu
CAISE
1999
Springer
15 years 2 months ago
A Practical Approach to Access Heterogeneous and Distributed Databases
A common problem within most large corporations nowadays is the diversity of database systems that are employed by their many departments in the development of a product. Usually, ...
Fernando de Ferreira Rezende, Ulrich Hermsen, Geor...