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194
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ICDE
2011
IEEE
262views Database» more  ICDE 2011»
14 years 7 months ago
Memory-constrained aggregate computation over data streams
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
K. V. M. Naidu, Rajeev Rastogi, Scott Satkin, Anan...
CIKM
2001
Springer
15 years 8 months ago
Index Filtering and View Materialization in ROLAP Environment
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
Shi Guang Qiu, Tok Wang Ling
170
Voted
DILS
2006
Springer
15 years 7 months ago
Towards a Model of Provenance and User Views in Scientific Workflows
Scientific experiments are becoming increasingly large and complex, with a commensurate increase in the amount and complexity of data generated. Data, both intermediate and final r...
Shirley Cohen, Sarah Cohen Boulakia, Susan B. Davi...
DAMON
2008
Springer
15 years 6 months ago
DSM vs. NSM: CPU performance tradeoffs in block-oriented query processing
Comparisons between the merits of row-wise storage (NSM) and columnar storage (DSM) are typically made with respect to the persistent storage layer of database systems. In this pa...
Marcin Zukowski, Niels Nes, Peter A. Boncz
SIGMOD
2007
ACM
186views Database» more  SIGMOD 2007»
16 years 4 months ago
Fg-index: towards verification-free query processing on graph databases
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
James Cheng, Yiping Ke, Wilfred Ng, An Lu