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ICDIM
2007
IEEE
16 years 25 days ago
Minimality quality criterion evaluation for integrated schemas
: Integrated access to distributed data is an important problem faced in scientific and commercial applications. A data integration system provides a unified view for users to subm...
Maria da Conceição Moraes Batista, A...
VLDB
2001
ACM
114views Database» more  VLDB 2001»
15 years 11 months ago
Distinct Sampling for Highly-Accurate Answers to Distinct Values Queries and Event Reports
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
Phillip B. Gibbons
DEXA
2004
Springer
140views Database» more  DEXA 2004»
15 years 12 months ago
Declustering of Trajectories for Indexing of Moving Objects Databases
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
Youngduk Seo, Bonghee Hong
OTM
2009
Springer
16 years 1 months ago
TMBean: Optimistic Concurrency in Application Servers Using Transactional Memory
Abstract. In this experience report, we present an evaluation of different techniques to manage concurrency in the context of application servers. Traditionally, using entity beans...
Lucas Charles, Pascal Felber, Christophe Gêt...
EDBT
2011
ACM
256views Database» more  EDBT 2011»
14 years 10 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...