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AIEDU
2004
71views more  AIEDU 2004»
14 years 9 days ago
Using Intelligent Feedback to Improve Sourcing and Integration in Students' Essays
Learning and reasoning from multiple documents requires students to employ the skills of sourcing (i.e., attending to and citing sources) and information integration (i.e., making ...
Mary Anne Britt, Peter M. Wiemer-Hastings, Aaron A...
JSAC
2007
111views more  JSAC 2007»
14 years 10 days ago
MIMO Broadcast Scheduling with Limited Feedback
Abstract— We consider multiuser scheduling with limited feedback of partial channel state information in MIMO broadcast channels. By using spatial multiplexing at the base statio...
Wei Zhang, Khaled Ben Letaief
JSAC
2007
69views more  JSAC 2007»
14 years 10 days ago
Multi-Antenna Downlink Channels with Limited Feedback and User Selection
Abstract— We analyze the sum-rate performance of a multiantenna downlink system carrying more users than transmit antennas, with partial channel knowledge at the transmitter due ...
Taesang Yoo, Nihar Jindal, Andrea J. Goldsmith
TROB
2008
91views more  TROB 2008»
14 years 10 days ago
A Fundamental Tradeoff Between Performance and Sensitivity Within Haptic Rendering
In this paper we show that for haptic rendering using position feedback, the structure of the feedback loop imposes a fundamental tradeoff between accurate rendering of virtual env...
Paul G. Griffiths, R. Brent Gillespie, James S. Fr...
TKDE
2008
116views more  TKDE 2008»
14 years 10 days ago
Long-Term Cross-Session Relevance Feedback Using Virtual Features
Relevance feedback (RF) is an iterative process, which refines the retrievals by utilizing the user's feedback on previously retrieved results. Traditional RF techniques solel...
Peng-Yeng Yin, Bir Bhanu, Kuang-Cheng Chang, Anlei...
TIT
2008
94views more  TIT 2008»
14 years 10 days ago
Why Do Block Length and Delay Behave Differently if Feedback Is Present?
Abstract--For output-symmetric discrete memoryless channels (DMCs) at even moderately high rates, fixed-block-length communication systems show no improvements in their error expon...
Anant Sahai
SIGIR
2008
ACM
14 years 11 days ago
A study of methods for negative relevance feedback
Negative relevance feedback is a special case of relevance feedback where we do not have any positive example; this often happens when the topic is difficult and the search result...
Xuanhui Wang, Hui Fang, ChengXiang Zhai
SIGIR
2008
ACM
14 years 11 days ago
Query expansion using gaze-based feedback on the subdocument level
We examine the effect of incorporating gaze-based attention feedback from the user on personalizing the search process. Employing eye tracking data, we keep track of document part...
Georg Buscher, Andreas Dengel, Ludger van Elst
KES
2006
Springer
14 years 12 days ago
Hybrid Approach of Augmented Classroom Environment with Digital Pens and Personal Handhelds
Abstract. We have been developing a system AirTransNote, a computermediated learning system that employs digital pen to realize papercentric augmented classroom. Although the appro...
Motoki Miura, Susumu Kunifuji
JMLR
2006
125views more  JMLR 2006»
14 years 12 days ago
Efficient Learning of Label Ranking by Soft Projections onto Polyhedra
We discuss the problem of learning to rank labels from a real valued feedback associated with each label. We cast the feedback as a preferences graph where the nodes of the graph ...
Shai Shalev-Shwartz, Yoram Singer