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DLOREAN: Dynamic Lo...
DLOREAN: Dynamic Location-aware Reconstruction of multiway Networks
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- Johansson, Fredrik, 1988 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Jethava, Vinay, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Dubhashi, Devdatt, 1965 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2013
- 2013
- Engelska.
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Ingår i: 2013 13th IEEE International Conference on Data Mining Workshops, ICDMW 2013; Dallas, TX; United States; 7 December 2013 through 10 December 2013. ; , s. 1012-1019
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Abstract
Ämnesord
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- This paper presents a method for learning time-varying higher-order interactions based on node observations, with application to short-term traffic forecasting based on traffic flow sensor measurements. We incorporate domain knowledge into the design of a new damped periodic kernel which lever- ages traffic flow patterns towards better structure learning. We introduce location-based regularization for learning models with desirable geographical properties (short-range or long-range interactions). We show using experiments on synthetic and real data, that our approach performs better than static methods for reconstruction of multiway interactions, as well as time-varying methods which recover only pair-wise interactions. Further, we show on real traffic data that our model is useful for short-term traffic forecasting, improving over state-of-the-art.
Ämnesord
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Nyckelord
- spatio-temporal
- kernel-reweighting
- higher-order
- hierarchical inclusion
- structure learning
- Traffic prediction
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)