Sciweavers

907 search results - page 90 / 182
» Efficient Optimization of Iterative Queries
Sort
View
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
VLDB
1995
ACM
194views Database» more  VLDB 1995»
14 years 16 days ago
Eager Aggregation and Lazy Aggregation
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...
Weipeng P. Yan, Per-Åke Larson
VLDB
2002
ACM
83views Database» more  VLDB 2002»
13 years 8 months ago
Searching on the Secondary Structure of Protein Sequences
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
Laurie Hammel, Jignesh M. Patel
SIGMOD
2007
ACM
105views Database» more  SIGMOD 2007»
14 years 9 months ago
Sonnet: an efficient distributed content-based dissemination broker
In this demonstration, we present a prototype content-based dissemination broker, called Sonnet, which is built upon structured overlay network. It combines approximate filtering ...
Aoying Zhou, Weining Qian, Xueqing Gong, Minqi Zho...
TEAA
2005
Springer
105views Hardware» more  TEAA 2005»
14 years 2 months ago
An Efficient Zoning Technique for Multi-dimensional Access Methods
Abstract. In emerging database applications that deal with large sets of multidimensional data, the performance of the query system significantly depends on the performance of its ...
Byunggu Yu, Seon Ho Kim