497 search results - page 73 / 100 » Mining Knowledge in Astrophysical Massive Data Sets |
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Classification is a core task in knowledge discovery and data mining, and there has been substantial research effort in developing sophisticated classification models. In a parall...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
The boom of product review websites, blogs and forums on the web has attracted many research efforts on opinion mining. Recently, there was a growing interest in the finergrained ...
KDD
2004
ACM
14 years 7 months ago
2004
ACM
Abstract. Current text classification systems typically use term stems for representing document content. Semantic Web technologies allow the usage of features on a higher semantic...
PAKDD
2009
ACM
14 years 2 months ago
2009
ACM
Abstract. This paper shows how Wikipedia and the semantic knowledge it contains can be exploited for document clustering. We first create a concept-based document representation b...
ICDM
2005
IEEE
14 years 29 days ago
2005
IEEE
Significant vulnerabilities have recently been identified in collaborative filtering recommender systems. Researchers have shown that attackers can manipulate a system’s reco...