Sciweavers

737 search results - page 46 / 148
» Optimization approach for data allocation in multidisk datab...
Sort
View
IDEAS
2003
IEEE
122views Database» more  IDEAS 2003»
14 years 2 months ago
Preferred Repairs for Inconsistent Databases
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
Sergio Greco, Cristina Sirangelo, Irina Trubitsyna...
EDBT
2002
ACM
132views Database» more  EDBT 2002»
14 years 9 months ago
A Framework for the Physical Design Problem for Data Synopses
Maintaining statistics on multidimensional data distributions is crucial for predicting the run-time and result size of queries and data analysis tasks with acceptable accuracy. To...
Arnd Christian König, Gerhard Weikum
DEXA
2005
Springer
80views Database» more  DEXA 2005»
14 years 2 months ago
Optimizing I/O Costs of Multi-dimensional Queries Using Bitmap Indices
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
Doron Rotem, Kurt Stockinger, Kesheng Wu
EDBT
2006
ACM
129views Database» more  EDBT 2006»
14 years 9 months ago
Efficient Quantile Retrieval on Multi-dimensional Data
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
Man Lung Yiu, Nikos Mamoulis, Yufei Tao
PAKDD
2007
ACM
115views Data Mining» more  PAKDD 2007»
14 years 3 months ago
Intelligent Sequential Mining Via Alignment: Optimization Techniques for Very Large DB
The shear volume of the results in traditional support based frequent sequential pattern mining methods has led to increasing interest in new intelligent mining methods to find mo...
Hye-Chung Kum, Joong Hyuk Chang, Wei Wang 0010