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CIKM
2007
Springer
14 years 3 months ago
2007
Springer
We present a corpus-based approach to the class expansion task. For a given set of seed entities we use co-occurrence statistics taken from a text collection to define a membersh...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
We present an approach to improving the precision of an initial document ranking wherein we utilize cluster information within a graph-based framework. The main idea is to perform...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
The effectiveness of information retrieval systems is measured by comparing performance on a common set of queries and documents. Significance tests are often used to evaluate the...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
The detection of new information in a document stream is an important component of many potential applications. In this paper, a new novelty detection approach based on the identi...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
In this paper we address the problem of unsupervised Web data extraction. We show that unsupervised Web data extraction becomes feasible when supposing pages that are made up of r...