Browsing by Author "Gavaldà, Ricard"
Now showing items 1-4 of 4
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Detecting sentiment change in Twitter streaming data
Bifet, Albert; Holmes, Geoffrey; Pfahringer, Bernhard; Gavaldà, Ricard (JMLR, 2011)MOA-TweetReader is a real-time system to read tweets in real time, to detect changes, and to find the terms whose frequency changed. Twitter is a micro-blogging service built to discover what is happening at any moment in ... -
Improving adaptive bagging methods for evolving data streams
Bifet, Albert; Holmes, Geoffrey; Pfahringer, Bernhard; Gavaldà, Ricard (Springer, 2009)We propose two new improvements for bagging methods on evolving data streams. Recently, two new variants of Bagging were proposed: ADWIN Bagging and Adaptive-Size Hoeffding Tree (ASHT) Bagging. ASHT Bagging uses trees of ... -
Mining frequent closed graphs on evolving data streams
Bifet, Albert; Holmes, Geoffrey; Pfahringer, Bernhard; Gavaldà, Ricard (ACM, 2011)Graph mining is a challenging task by itself, and even more so when processing data streams which evolve in real-time. Data stream mining faces hard constraints regarding time and space for processing, and also needs to ... -
New ensemble methods for evolving data streams
Bifet, Albert; Holmes, Geoffrey; Pfahringer, Bernhard; Kirkby, Richard Brendon; Gavaldà, Ricard (ACM, 2009)Advanced analysis of data streams is quickly becoming a key area of data mining research as the number of applications demanding such processing increases. Online mining when such data streams evolve over time, that is ...
Co-authors for Ricard Gavaldà
Ricard Gavaldà has 4 co-authors in Research Commons.