Sciweavers

7904 search results - page 161 / 1581
» Sequence Query Processing
Sort
View
DEBU
2008
139views more  DEBU 2008»
13 years 9 months ago
Testing SQL Server's Query Optimizer: Challenges, Techniques and Experiences
Query optimization is an inherently complex problem, and validating the correctness and effectiveness of a query optimizer can be a task of comparable complexity. The overall proc...
Leo Giakoumakis, César A. Galindo-Legaria
VLDB
2002
ACM
126views Database» more  VLDB 2002»
13 years 8 months ago
Plan Selection Based on Query Clustering
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
Antara Ghosh, Jignashu Parikh, Vibhuti S. Sengar, ...
CORR
2010
Springer
157views Education» more  CORR 2010»
13 years 9 months ago
Efficient Clustering with Limited Distance Information
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model ...
Konstantin Voevodski, Maria-Florina Balcan, Heiko ...
BMCBI
2008
101views more  BMCBI 2008»
13 years 9 months ago
Scipio: Using protein sequences to determine the precise exon/intron structures of genes and their orthologs in closely related
Background: For many types of analyses, data about gene structure and locations of non-coding regions of genes are required. Although a vast amount of genomic sequence data is ava...
Oliver Keller, Florian Odronitz, Mario Stanke, Mar...
IWCM
2004
Springer
14 years 2 months ago
Complex Motion in Environmental Physics and Live Sciences
Abstract Image sequence processing techniques are an essential tool for the experimental investigation of dynamical processes such as exchange, growth, and transport processes. The...
Bernd Jähne