689 search results - page 119 / 138 » Concept Discovery from Text |
BMCBI
2008
13 years 6 months ago
2008
Background: This paper describes the design of an event ontology being developed for application in the machine understanding of infectious disease-related events reported in natu...
ICML
2003
IEEE
14 years 7 months ago
2003
IEEE
We consider the problem of unsupervised learning from a matrix of data vectors where in each row the observed values are randomly permuted in an unknown fashion. Such problems ari...
WWW
2008
ACM
14 years 7 months ago
2008
ACM
This paper presents an extensive study about the evolution of textual content on the Web, which shows how some new pages are created from scratch while others are created using al...
WWW
2004
ACM
14 years 7 months ago
2004
ACM
Summarizing web pages have recently gained much attention from researchers. Until now two main types of approaches have been proposed for this task: content- and context-based met...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
As applications within and outside the enterprise encounter increasing volumes of unstructured data, there has been renewed interest in the area of information extraction (IE) ? t...