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WWW
2007
ACM
15 years 11 months ago
2007
ACM
Recent work on ontology-based Information Extraction (IE) has tried to make use of knowledge from the target ontology in order to improve semantic annotation results. However, ver...
WWW
2007
ACM
15 years 11 months ago
2007
ACM
Traditional clustering algorithms work on "flat" data, making the assumption that the data instances can only be represented by a set of homogeneous and uniform features...
WWW
2007
ACM
15 years 11 months ago
2007
ACM
As part of a large effort to acquire large repositories of facts from unstructured text on the Web, a seed-based framework for textual information extraction allows for weakly sup...
WWW
2006
ACM
15 years 11 months ago
2006
ACM
The automatic identification of a user's task has the potential to improve information filtering systems that rely on implicit measures of interest and whose effectiveness ma...
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WWW
2004
ACM
15 years 11 months ago
2004
ACM
In this paper we describe a practical framework for studying the navigational behavior of the users of an e-learning environment integrated in a virtual campus. The students navig...