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DAS
2010
Springer
13 years 6 months ago
Automatic unsupervised parameter selection for character segmentation
A major difficulty for designing a document image segmentation methodology is the proper value selection for all involved parameters. This is usually done after experimentations o...
Georgios Vamvakas, Nikolaos Stamatopoulos, Basilio...
SIGIR
2006
ACM
14 years 1 months ago
Regularized estimation of mixture models for robust pseudo-relevance feedback
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
Tao Tao, ChengXiang Zhai
SIGMOD
2010
ACM
239views Database» more  SIGMOD 2010»
13 years 7 months ago
Call to order: a hierarchical browsing approach to eliciting users' preference
Computing preference queries has received a lot of attention in the database community. It is common that the user is unsure of his/her preference, so care must be taken to elicit...
Feng Zhao, Gautam Das, Kian-Lee Tan, Anthony K. H....
DOCENG
2009
ACM
14 years 2 months ago
Deriving image-text document surrogates to optimize cognition
The representation of information collections needs to be optimized for human cognition. While documents often include rich visual components, collections, including personal coll...
Eunyee Koh, Andruid Kerne
SIGIR
2010
ACM
13 years 11 months ago
Inferring user intent in web search by exploiting social annotations
In this paper, we present a folksonomy-based approach for implicit user intent extraction during a Web search process. We present a number of result re-ranking techniques based on...
Jose M. Conde, David Vallet, Pablo Castells