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MM
2006
ACM
184views Multimedia» more  MM 2006»
16 years 1 months ago
Extraction of social context and application to personal multimedia exploration
Personal media collections are often viewed and managed along the social dimension, the places we spend time at and the people we see, thus tools for extracting and using this inf...
Brett Adams, Dinh Q. Phung, Svetha Venkatesh
AIRS
2005
Springer
16 years 26 days ago
Query Expansion with the Minimum Relevance Judgments
Query expansion techniques generally select new query terms from a set of top ranked documents. Although a user’s manual judgment of those documents would much help to select goo...
Masayuki Okabe, Kyoji Umemura, Seiji Yamada
COLT
2005
Springer
16 years 25 days ago
On Spectral Learning of Mixtures of Distributions
We consider the problem of learning mixtures of distributions via spectral methods and derive a tight characterization of when such methods are useful. Specifically, given a mixt...
Dimitris Achlioptas, Frank McSherry
ISCC
2002
IEEE
121views Communications» more  ISCC 2002»
16 years 7 days ago
Towards a hybrid network model for wireless packet data networks
In this paper we study the performance trade-offs between conventional cellular and ad-hoc peer-to-peer wireless networks. We compare through simulations the performance of the tw...
Hung-Yun Hsieh, Raghupathy Sivakumar
SIGIR
1999
ACM
15 years 11 months ago
Deriving Concept Hierarchies from Text
This paper presents a means of automatically deriving a hierarchical organization of concepts from a set of documents without use of training data or standard clustering technique...
Mark Sanderson, W. Bruce Croft