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NAR
2006
177views more  NAR 2006»
13 years 6 months ago
PUMA2 - grid-based high-throughput analysis of genomes and metabolic pathways
The PUMA2 system (available at http://compbio.mcs. 10 anl.gov/puma2) is an interactive, integrated bioinformatics environment for high-throughput genetic sequence analysis and met...
Natalia Maltsev, Elizabeth M. Glass, Dinanath Sula...
WWW
2007
ACM
14 years 7 months ago
Detectives: detecting coalition hit inflation attacks in advertising networks streams
Click fraud is jeopardizing the industry of Internet advertising. Internet advertising is crucial for the thriving of the entire Internet, since it allows producers to advertise t...
Ahmed Metwally, Divyakant Agrawal, Amr El Abbadi
ICDE
2010
IEEE
189views Database» more  ICDE 2010»
13 years 7 months ago
Caching all plans with just one optimizer call
Abstract— Modern database management systems (DBMS) answer a multitude of complex queries on increasingly larger datasets. Given the complexities of the queries and the numerous ...
Debabrata Dash, Ioannis Alagiannis, Cristina Maier...
CIKM
2011
Springer
12 years 6 months ago
Semantic data markets: a flexible environment for knowledge management
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...
ICDE
2002
IEEE
112views Database» more  ICDE 2002»
14 years 8 months ago
Design and Evaluation of Alternative Selection Placement Strategies in Optimizing Continuous Queries
In this paper, we design and evaluate alternative selection placement strategies for optimizing a very large number of continuous queries in an Internet environment. Two grouping ...
Jianjun Chen, David J. DeWitt, Jeffrey F. Naughton