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GIS
2002
ACM
15 years 6 months ago
Spatio-temporal evolution: querying patterns of change in databases
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
Nassima Djafri, Alvaro A. A. Fernandes, Norman W. ...
EOR
2006
117views more  EOR 2006»
15 years 6 months ago
Heuristics for selecting robust database structures with dynamic query patterns
The success of a company increasingly depends on timely information (internal or external) being available to the right person at the right time for crucial managerial decision-ma...
Andrew N. K. Chen, Paulo B. Goes, Alok Gupta, Jame...
PVLDB
2010
97views more  PVLDB 2010»
15 years 4 months ago
Generating Databases for Query Workloads
To evaluate the performance of database applications and DBMSs, we usually execute workloads of queries on generated databases of different sizes and measure the response time. Th...
Eric Lo, Nick Cheng, Wing-Kai Hon
ICDE
2007
IEEE
138views Database» more  ICDE 2007»
16 years 7 months ago
Representing and Querying Correlated Tuples in Probabilistic Databases
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
Prithviraj Sen, Amol Deshpande
CIKM
2006
Springer
15 years 10 months ago
Information retrieval from relational databases using semantic queries
Relational databases are widely used today as a mechanism for providing access to structured data. They, however, are not suitable for typical information finding tasks of end use...
Anand Ranganathan, Zhen Liu