524 search results - page 92 / 105 » Temporal reachability graphs |
122
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MSWIM
2009
ACM
15 years 7 months ago
2009
ACM
Most people-centric delay tolerant networks have been shown to exhibit power-law behavior. Analysis of the temporal connectivity graph of such networks reveals the existence of hu...
86
Voted
LICS
2009
IEEE
15 years 7 months ago
2009
IEEE
—One-counter processes are pushdown systems over a singleton stack alphabet (plus a stack-bottom symbol). We study the complexity of two closely related verification problems ov...
103
Voted
HT
2009
ACM
15 years 7 months ago
2009
ACM
Folksonomies provide a rich source of data to study social patterns taking place on the World Wide Web. Here we study the temporal patterns of users’ tagging activity. We show t...
126
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JCDL
2009
ACM
15 years 7 months ago
2009
ACM
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
104
Voted
MMSP
2008
IEEE
15 years 7 months ago
2008
IEEE
—In this paper, we propose a framework to extend semantic labeling of images to video shot sequences and achieve efficient and semantic-aware spatiotemporal video segmentation. ...