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» Extending the Search Strategy in a Query Optimizer
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SIGMOD
2000
ACM
141views Database» more  SIGMOD 2000»
13 years 11 months ago
Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
Florian Waas, César A. Galindo-Legaria
EDBT
2002
ACM
246views Database» more  EDBT 2002»
14 years 7 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt
SIGMOD
1996
ACM
116views Database» more  SIGMOD 1996»
13 years 11 months ago
Optimizing Queries over Multimedia Repositories
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
Surajit Chaudhuri, Luis Gravano
EDBT
2011
ACM
256views Database» more  EDBT 2011»
12 years 11 months ago
RanKloud: a scalable ranked query processing framework on hadoop
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...
K. Selçuk Candan, Parth Nagarkar, Mithila N...
ADBIS
2001
Springer
114views Database» more  ADBIS 2001»
13 years 12 months ago
Evaluation of Join Strategies for Distributed Mediation
Three join algorithms are evaluated in an environment with distributed main-memory based mediators and data sources. A streamed ship-out join ships bulks of tuples to a mediator ne...
Vanja Josifovski, Timour Katchaounov, Tore Risch