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Event Detection in Activity Networks

Published on Oct 07, 20142630 Views

Polina Rozenshtein

With the fast growth of smart devices and social networks, a lot of computing systems collect data that record different types of activities. An important computational challenge is to analyze these d

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Data MiningKnowledge Extraction

Chapter list

Event detection in activity networks00:00
City events - 100:08
City events - 200:48
Event detection problem formulation - 102:01
Event detection problem formulation - 202:43
Shifted objective03:40
Algorithms: all pair distances - 104:32
Algorithms: all pair distances - 205:08
Algorithms: all pair distances - 305:22
Algorithms: all pair distances - 406:01
Algorithms: Prize-Collecting Steiner Tree (PCST) - 106:44
Algorithms: Prize-Collecting Steiner Tree (PCST) - 206:57
Algorithms: Prize-Collecting Steiner Tree (PCST) - 307:04
Experimental evaluation07:25
Typical behavior: algorithms for All Pairs model08:20
Typical behavior: algorithms for Tree model09:21
Some of the top event days detected09:46
Summary and future work10:57
References12:32
Untitled12:35