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SIGMOD
2001
ACM
104views Database» more  SIGMOD 2001»
14 years 8 months ago
Independence is Good: Dependency-Based Histogram Synopses for High-Dimensional Data
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
Amol Deshpande, Minos N. Garofalakis, Rajeev Rasto...
EDBT
2006
ACM
105views Database» more  EDBT 2006»
14 years 8 months ago
HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
Xiaohui Yu, Nick Koudas, Calisto Zuzarte
EDBT
2008
ACM
132views Database» more  EDBT 2008»
14 years 8 months ago
Indexing high-dimensional data in dual distance spaces: a symmetrical encoding approach
Due to the well-known dimensionality curse problem, search in a high-dimensional space is considered as a "hard" problem. In this paper, a novel symmetrical encoding-bas...
Yi Zhuang, Yueting Zhuang, Qing Li, Lei Chen 0002,...
ICDE
2010
IEEE
283views Database» more  ICDE 2010»
14 years 8 months ago
Personalized Web Search with Location Preferences
As the amount of Web information grows rapidly, search engines must be able to retrieve information according to the user's preference. In this paper, we propose a new web sea...
Kenneth Wai-Ting Leung, Dik Lun Lee, Wang-Chien Le...
PERCOM
2007
ACM
14 years 8 months ago
Achieving Flexible Cache Consistency for Pervasive Internet Access
Caching is an important technique to support pervasive Internet access. Cache consistency measures the deviation between the cached data and the source data. In mobile computing e...
Yu Huang 0002, Jiannong Cao, Zhijun Wang, Beihong ...