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» Probabilistic Event Extraction from RFID Data
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PERVASIVE
2010
Springer
14 years 11 months ago
Specification and Verification of Complex Location Events with Panoramic
We present the design and evaluation of Panoramic, a tool that enables end-users to specify and verify an important family of complex location events. Our approach aims to reduce o...
Evan Welbourne, Magdalena Balazinska, Gaetano Borr...
EMNLP
2009
14 years 7 months ago
A Unified Model of Phrasal and Sentential Evidence for Information Extraction
Information Extraction (IE) systems that extract role fillers for events typically look at the local context surrounding a phrase when deciding whether to extract it. Often, howev...
Siddharth Patwardhan, Ellen Riloff
KDD
2012
ACM
244views Data Mining» more  KDD 2012»
13 years 5 days ago
Open domain event extraction from twitter
Tweets are the most up-to-date and inclusive stream of information and commentary on current events, but they are also fragmented and noisy, motivating the need for systems that c...
Alan Ritter, Mausam, Oren Etzioni, Sam Clark
MOBISYS
2009
ACM
15 years 10 months ago
A methodology for extracting temporal properties from sensor network data streams
The extraction of temporal characteristics from sensor data streams can reveal important properties about the sensed events. Knowledge of temporal characteristics in applications ...
Dimitrios Lymberopoulos, Athanasios Bamis, Andreas...
IV
2010
IEEE
196views Visualization» more  IV 2010»
14 years 8 months ago
Extracting Events from Spatial Time Series
An important task in exploration of data about phenomena and processes that develop over time is detection of significant changes that happened to the studied phenomenon. Our rese...
Gennady L. Andrienko, Natalia V. Andrienko, Martin...