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ICDE
2002
IEEE
146views Database» more  ICDE 2002»
16 years 1 months ago
Query Estimation by Adaptive Sampling
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
Yi-Leh Wu, Divyakant Agrawal, Amr El Abbadi
BTW
2005
Springer
104views Database» more  BTW 2005»
15 years 5 months ago
Maintaining Nonparametric Estimators over Data Streams
Abstract: An effective processing and analysis of data streams is of utmost importance for a plethora of emerging applications like network monitoring, traffic management, and fi...
Björn Blohsfeld, Christoph Heinz, Bernhard Se...
IS
2012
13 years 7 months ago
View determinacy for preserving selected information in data transformations
When transforming data one often wants certain information in the data source to be preserved, i.e., we identify parts of the source data and require these parts to be transformed...
Wenfei Fan, Floris Geerts, Lixiao Zheng
VLDB
2007
ACM
187views Database» more  VLDB 2007»
16 years 1 days ago
Secure Data Outsourcing
The networked and increasingly ubiquitous nature of today's data management services mandates assurances to detect and deter malicious or faulty behavior. This is particularly...
Radu Sion
EDBT
2004
ACM
131views Database» more  EDBT 2004»
15 years 12 months ago
Declustering Two-Dimensional Datasets over MEMS-Based Storage
Due to the large difference between seek time and transfer time in current disk technology, it is advantageous to perform large I/O using a single sequential access rather than mu...
Hailing Yu, Divyakant Agrawal, Amr El Abbadi