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SIGMOD
2006
ACM
219views Database» more  SIGMOD 2006»
16 years 4 months ago
Modeling skew in data streams
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
Flip Korn, S. Muthukrishnan, Yihua Wu
SAC
2009
ACM
15 years 11 months ago
Defending online reputation systems against collaborative unfair raters through signal modeling and trust
Online feedback-based rating systems are gaining popularity. Dealing with collaborative unfair ratings in such systems has been recognized as an important but difficult problem. T...
Yafei Yang, Yan Lindsay Sun, Steven Kay, Qing Yang
MDAI
2009
Springer
15 years 11 months ago
A Consensus Reaching Model for Web 2.0 Communities
Web 2.0 Communities allow large amounts of users to interact with each others. In fact, new Web 2.0 technologies allow to share resources and information in an easy and timely mann...
Sergio Alonso, Ignacio J. Pérez, Francisco ...
NTMS
2008
IEEE
15 years 11 months ago
Offline Approach to Modeling and Optimization of Flows in Peer-to-Peer Systems
—Peer-to-Peer (P2P) systems gain much attention in recent years. According to many statistics, P2P systems contribute a significant portion of the Internet traffic. Individual In...
Krzysztof Walkowiak
SSDBM
2008
IEEE
90views Database» more  SSDBM 2008»
15 years 11 months ago
Ontology Database: A New Method for Semantic Modeling and an Application to Brainwave Data
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
Paea LePendu, Dejing Dou, Gwen A. Frishkoff, Jiawe...