3396 search results - page 539 / 680 » Tree representations of graphs |
171
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ACL
2009
15 years 2 months ago
2009
We present a graph-based semi-supervised learning for the question-answering (QA) task for ranking candidate sentences. Using textual entailment analysis, we obtain entailment sco...
153
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HCI
2009
15 years 2 months ago
2009
Social network analysis (SNA) has been used to study the relationships between actors in social networks, revealing their features and patterns. In most cases, nodes and edges in g...
161
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TKDE
2011
14 years 12 months ago
2011
—Previous studies have demonstrated that document clustering performance can be improved significantly in lower dimensional linear subspaces. Recently, matrix factorization base...
181
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ICCV
2011
IEEE
14 years 4 months ago
2011
IEEE
We propose a novel statistical manifold modeling approach that is capable of classifying poses of object categories from video sequences by simultaneously minimizing the intra-cla...
151
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ICCV
2009
IEEE
16 years 10 months ago
2009
IEEE
This paper introduces an algorithm for detecting walking
motion using point trajectories in video sequences. Given
a number of point trajectories, we identify those which are
sp...