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ICDE
2002
IEEE
146views Database» more  ICDE 2002»
16 years 8 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
ICDE
2001
IEEE
146views Database» more  ICDE 2001»
16 years 8 months ago
The Skyline Operator
We propose to extend database systems by a Skyline operation. This operation filters out a set of interesting points from a potentially large set of data points. A point is intere...
Stephan Börzsönyi, Donald Kossmann, Konr...
GIS
2005
ACM
16 years 8 months ago
Extracting spatial association rules from spatial transactions
Georeferenced information is growing every day, and geographical information systems are becoming crucial in many decision processes. As a consequence, extracting knowledge from G...
Salvatore Rinzivillo, Franco Turini
SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
16 years 7 months ago
Generic and effective semi-structured keyword search
Current semi-structured keyword search and natural language query processing systems use ad hoc approaches to take advantage of structural information. Although intuitive, they ar...
Arash Termehchy, Marianne Winslett
SIGMOD
2009
ACM
142views Database» more  SIGMOD 2009»
16 years 7 months ago
A grammar-based entity representation framework for data cleaning
Fundamental to data cleaning is the need to account for multiple data representations. We propose a formal framework that can be used to reason about and manipulate data represent...
Arvind Arasu, Raghav Kaushik