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ASUNAM
2009
IEEE
14 years 3 months ago
Harnessing Wisdom of the Crowds Dynamics for Time-Dependent Reputation and Ranking
—The “wisdom of the crowds” is a concept used to describe the utility of harnessing group behaviour, where user opinion evolves over time and the opinion of the masses collec...
Elizabeth M. Daly
DEXAW
2002
IEEE
102views Database» more  DEXAW 2002»
14 years 1 months ago
Indexing Mobile Objects on the Plane
We present a method to index objects moving on the plane in order to efficiently answer range queries about their position in the future. This problem is motivated by real-life a...
Dimitris Papadopoulos, George Kollios, Dimitrios G...
VLDB
2001
ACM
90views Database» more  VLDB 2001»
14 years 1 months ago
Update Propagation Strategies for Improving the Quality of Data on the Web
Dynamically generated web pages are ubiquitous today but their high demand for resources creates a huge scalability problem at the servers. Traditional web caching is not able to ...
Alexandros Labrinidis, Nick Roussopoulos
CIKM
2004
Springer
14 years 2 months ago
Organizing structured web sources by query schemas: a clustering approach
In the recent years, the Web has been rapidly “deepened” with the prevalence of databases online. On this deep Web, many sources are structured by providing structured query i...
Bin He, Tao Tao, Kevin Chen-Chuan Chang
KDD
2009
ACM
224views Data Mining» more  KDD 2009»
14 years 1 months ago
Issues in evaluation of stream learning algorithms
Learning from data streams is a research area of increasing importance. Nowadays, several stream learning algorithms have been developed. Most of them learn decision models that c...
João Gama, Raquel Sebastião, Pedro P...