313 search results - page 31 / 63 » Learning Semantic Categories from Clickthrough Logs |
WWW
2004
ACM
16 years 13 days ago
2004
ACM
This paper presents a novel approach of using web log data generated by course management systems (CMS) to help instructors become aware of what is happening in distance learning ...
107
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MM
2009
ACM
15 years 6 months ago
2009
ACM
We propose a novel technique for semi-supervised image annotation which introduces a harmonic regularizer based on the graph Laplacian of the data into the probabilistic semantic ...
SIGIR
2010
ACM
15 years 3 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
141
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CIVR
2008
Springer
15 years 1 months ago
2008
Springer
In this paper, a motion-based approach for detecting highlevel semantic events in video sequences is presented. Its main characteristic is its generic nature, i.e. it can be direc...
CIKM
2010
Springer
14 years 10 months ago
2010
Springer
A typical collection of personal information contains many documents and mentions many concepts (e.g., person names, events, etc.). In this environment, associative browsing betwe...