524 search results - page 92 / 105 » Temporal reachability graphs |
169
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MSWIM
2009
ACM
16 years 16 days 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...
130
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LICS
2009
IEEE
16 years 11 days 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...
149
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HT
2009
ACM
16 years 8 days 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...
171
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JCDL
2009
ACM
16 years 7 days 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...
164
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MMSP
2008
IEEE
16 years 4 days 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. ...