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DKE
2008
13 years 10 months ago
2008
In this manuscript we present the summarization and categorization subsystems of a complete mechanism that begins with web-page fetching and concludes with representation of the c...
CORR
2007
Springer
13 years 10 months ago
2007
Springer
The subject of collective attention is central to an information age where millions of people are inundated with daily messages. It is thus of interest to understand how attention...
SIGIR
2008
ACM
13 years 10 months ago
2008
ACM
We investigate a representative case of sudden information need change of Web users. By analyzing search engine query logs, we show that the majority of queries submitted by users...
COLING
2002
13 years 9 months ago
2002
This paper proposes an unsupervised learning model for classifying named entities. This model uses a training set, built automatically by means of a small-scale named entity dicti...
CORR
2000
Springer
13 years 9 months ago
2000
Springer
The rate of occurrence of words is not uniform but varies from document to document. Despite this observation, parameters for conventional n-gram language models are usually deriv...