Sciweavers

4755 search results - page 816 / 951
» An Implementation Model for Collaborative Applications
Sort
View
KDD
2003
ACM
129views Data Mining» more  KDD 2003»
16 years 6 months ago
Empirical comparisons of various voting methods in bagging
Finding effective methods for developing an ensemble of models has been an active research area of large-scale data mining in recent years. Models learned from data are often subj...
Kelvin T. Leung, Douglas Stott Parker Jr.
SIGMOD
2006
ACM
156views Database» more  SIGMOD 2006»
16 years 6 months ago
MauveDB: supporting model-based user views in database systems
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
Amol Deshpande, Samuel Madden
CCS
2007
ACM
16 years 18 days ago
Managing RBAC states with transitive relations
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
COREGRID
2007
Springer
16 years 18 days ago
Total Exchange Performance Prediction on Grid Environments
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have b...
Luiz Angelo Steffenel, Emmanuel Jeannot
SIGIR
2005
ACM
15 years 12 months ago
A study of relevance propagation for web search
Different from traditional information retrieval, both content and structure are critical to the success of Web information retrieval. In recent years, many relevance propagation ...
Tao Qin, Tie-Yan Liu, Xu-Dong Zhang, Zheng Chen, W...