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ICDE
2012
IEEE
304views Database» more  ICDE 2012»
11 years 8 months ago
Learning-based Query Performance Modeling and Prediction
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
Mert Akdere, Ugur Çetintemel, Matteo Rionda...
JSS
2008
97views more  JSS 2008»
13 years 5 months ago
Proactive and reactive multi-dimensional histogram maintenance for selectivity estimation
Many state-of-the-art selectivity estimation methods use query feedback to maintain histogram buckets, thereby using the limited memory efficiently. However, they are "reacti...
Zhen He, Byung Suk Lee, Xiaoyang Sean Wang
HICSS
2003
IEEE
93views Biometrics» more  HICSS 2003»
13 years 10 months ago
A General Method for Statistical Performance Evaluation
In the paper, we propose a general method for statistical performance evaluation. The method incorporates various statistical metrics and automatically selects an appropriate stat...
Longzhuang Li, Yi Shang, Wei Zhang, Hongchi Shi
CIKM
2006
Springer
13 years 9 months ago
Ranking robustness: a novel framework to predict query performance
In this paper, we introduce the notion of ranking robustness, which refers to a property of a ranked list of documents that indicates how stable the ranking is in the presence of ...
Yun Zhou, W. Bruce Croft
WISE
2002
Springer
13 years 10 months ago
Evaluating and Enhancing Meta-Search Performance in Digital Libraries
Applying meta search systems is a suitable method to support the user if there are many different retrieval services available in the Web. Due to information splitting strategies ...
Bethina Schmitt, Sven Oberländer