285 search results - page 44 / 57 » Mining Students' Interaction Data from a System that Support... |
ICWSM
2009
13 years 5 months ago
2009
Mining opinions and sentiment from social networking sites is a popular application for social media systems. Common approaches use a machine learning system with a bag of words f...
BMCBI
2006
13 years 7 months ago
2006
Background: Existing biological databases support a variety of queries such as keyword or definition search. However, they do not provide any measure of relevance for the instance...
PAMI
2008
13 years 7 months ago
2008
Although it has been studied for years by the computer vision and machine learning communities, image annotation is still far from practical. In this paper, we propose a novel atte...
AAAI
2008
13 years 10 months ago
2008
Spatial scaffolding is a naturally occurring human teaching behavior, in which teachers use their bodies to spatially structure the learning environment to direct the attention of...
KDD
2004
ACM
14 years 8 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...