422 search results - page 83 / 85 » Evaluating Passage Retrieval Approaches for Question Answeri... |
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
The context of a search query often provides a search engine meaningful hints for answering the current query better. Previous studies on context-aware search were either focused ...
CVPR
2007
IEEE
15 years 11 months ago
2007
IEEE
This paper examines the problem of detecting changes in a 3-d scene from a sequence of images, taken by cameras with arbitrary but known pose. No prior knowledge of the state of n...
ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
Temporal segmentation of facial gestures in spontaneous facial behavior recorded in real-world settings is an important, unsolved, and relatively unexplored problem in facial imag...
CHI
2002
ACM
15 years 9 months ago
2002
ACM
It is difficult to interact with computer displays that are across the room. A popular approach is to use laser pointers tracked by a camera, but interaction techniques using lase...
CN
2007
14 years 9 months ago
2007
Recently, a moderate amount of work has been reported on the use of overlay networks to support value-added network services, such as multicasting, Quality of Service (QoS), secur...