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DPD
2002
168views more  DPD 2002»
15 years 6 months ago
Evolutionary Algorithms for Allocating Data in Distributed Database Systems
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok,...
ICDE
2008
IEEE
133views Database» more  ICDE 2008»
16 years 8 months ago
Database Support for Probabilistic Attributes and Tuples
Abstract-- The inherent uncertainty of data present in numerous applications such as sensor databases, text annotations, and information retrieval motivate the need to handle impre...
Sarvjeet Singh, Chris Mayfield, Rahul Shah, Sunil ...
ICDE
2002
IEEE
147views Database» more  ICDE 2002»
16 years 8 months ago
Decoupled Query Optimization for Federated Database Systems
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
Amol Deshpande, Joseph M. Hellerstein
SIGMOD
2004
ACM
111views Database» more  SIGMOD 2004»
16 years 6 months ago
Spatial, Temporal and Spatio-Temporal Databases - Hot Issues and Directions for PhD Research
Spatial and temporal database systems, both in theory and in practice, have developed dramatically over the past two decades to the point where usable commercial systems, underpin...
John F. Roddick, Max J. Egenhofer, Erik G. Hoel, D...
ESORICS
2007
Springer
16 years 23 days ago
Encryption Techniques for Secure Database Outsourcing
Abstract. While the idea of database outsourcing is becoming increasingly popular, the associated security risks still prevent many potential users from deploying it. In particular...
Sergei Evdokimov, Oliver Günther