435 search results - page 35 / 87 » Hierarchical presentation of expansion terms |
112
Voted
SIGIR
2005
ACM
15 years 6 months ago
2005
ACM
Link analysis algorithms have been extensively used in Web information retrieval. However, current link analysis algorithms generally work on a flat link graph, ignoring the hiera...
115
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GLOBECOM
2009
IEEE
15 years 7 months ago
2009
IEEE
— In this paper, we propose a game theoretic approach to tackle the problem of the distributed formation of the hierarchical network architecture that connects the nodes in the u...
125
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GIS
2002
ACM
15 years 13 days ago
2002
ACM
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
108
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CIKM
2004
Springer
15 years 6 months ago
2004
Springer
Automatically categorizing documents into pre-defined topic hierarchies or taxonomies is a crucial step in knowledge and content management. Standard machine learning techniques ...
108
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WS
2003
ACM
15 years 6 months ago
2003
ACM
Recent results indicate scalability problems for flat ad hoc networks. To address the issue of scalability, self-organizing hierarchical ad hoc architectures are being investigat...