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VLDB
2001
ACM
129views Database» more  VLDB 2001»
15 years 8 months ago
Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation
Similarity retrieval mechanisms should utilize generalized quadratic form distance functions as well as the Euclidean distance function since ellipsoid queries parameters may vary...
Yasushi Sakurai, Masatoshi Yoshikawa, Ryoji Kataok...
ICDE
2010
IEEE
240views Database» more  ICDE 2010»
15 years 8 months ago
Top-K aggregation queries over large networks
Searching and mining large graphs today is critical to a variety of application domains, ranging from personalized recommendation in social networks, to searches for functional ass...
Xifeng Yan, Bin He, Feida Zhu, Jiawei Han
ICDE
2010
IEEE
203views Database» more  ICDE 2010»
15 years 8 months ago
Optimizing ETL workflows for fault-tolerance
Extract-Transform-Load (ETL) processes play an important role in data warehousing. Typically, design work on ETL has focused on performance as the sole metric to make sure that the...
Alkis Simitsis, Kevin Wilkinson, Umeshwar Dayal, M...
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
15 years 8 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos
IWANN
1999
Springer
15 years 8 months ago
Using Temporal Neighborhoods to Adapt Function Approximators in Reinforcement Learning
To avoid the curse of dimensionality, function approximators are used in reinforcement learning to learn value functions for individual states. In order to make better use of comp...
R. Matthew Kretchmar, Charles W. Anderson
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