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» Online summarization of dynamic time series data
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TVCG
2010
165views more  TVCG 2010»
13 years 4 months ago
A Visual Backchannel for Large-Scale Events
—We introduce the concept of a Visual Backchannel as a novel way of following and exploring online conversations about large-scale events. Microblogging communities, such as Twit...
Marian Dörk, Daniel M. Gruen, Carey Williamso...
SIGMOD
2006
ACM
238views Database» more  SIGMOD 2006»
14 years 6 months ago
Continuous monitoring of top-k queries over sliding windows
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
Kyriakos Mouratidis, Spiridon Bakiras, Dimitris Pa...
WEBDB
2005
Springer
129views Database» more  WEBDB 2005»
13 years 11 months ago
Searching for Hidden-Web Databases
Recently, there has been increased interest in the retrieval and integration of hidden Web data with a view to leverage high-quality information available in online databases. Alt...
Luciano Barbosa, Juliana Freire
SIGKDD
2008
125views more  SIGKDD 2008»
13 years 6 months ago
Incremental pattern discovery on streams, graphs and tensors
Incremental pattern discovery targets streaming applications where the data continuously arrive incrementally. The questions are how to find patterns (main trends) incrementally; ...
Jimeng Sun
EOR
2008
123views more  EOR 2008»
13 years 6 months ago
Fixed versus flexible production systems: A real options analysis
In this work, we address investment decisions in production systems by using real options. As is standard in literature, the stochastic variable is assumed to be normally distribu...
Dalila B. M. M. Fontes