Sciweavers

47 search results - page 7 / 10
» Temporal Outlier Detection in Vehicle Traffic Data
Sort
View
AEI
2010
136views more  AEI 2010»
14 years 10 months ago
Bridging the sense-reasoning gap: DyKnow - Stream-based middleware for knowledge processing
nizing multiple forms of information and knowledge processing on different levels of abstraction in a structured and principled manner. We propose knowledge processing middleware a...
Fredrik Heintz, Jonas Kvarnström, Patrick Doh...
DEXAW
2004
IEEE
90views Database» more  DEXAW 2004»
15 years 1 months ago
Opportunistic Dissemination of Spatio-Temporal Resource Information in Mobile Peer to Peer Networks
In this paper we examine the dissemination of availability reports about resources in mobile peer-topeer networks, where vehicles, pedestrian or sensors communicate with each othe...
Ouri Wolfson, Bo Xu
SIGMOD
2008
ACM
203views Database» more  SIGMOD 2008»
15 years 10 months ago
Querying continuous functions in a database system
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
Arvind Thiagarajan, Samuel Madden
TIP
2008
169views more  TIP 2008»
14 years 9 months ago
Weakly Supervised Learning of a Classifier for Unusual Event Detection
In this paper, we present an automatic classification framework combining appearance based features and Hidden Markov Models (HMM) to detect unusual events in image sequences. One...
Mark Jager, Christian Knoll, Fred A. Hamprecht
KDD
2012
ACM
178views Data Mining» more  KDD 2012»
13 years 7 days ago
Mining event periodicity from incomplete observations
Advanced technology in GPS and sensors enables us to track physical events, such as human movements and facility usage. Periodicity analysis from the recorded data is an important...
Zhenhui Li, Jingjing Wang, Jiawei Han