Sciweavers

2889 search results - page 551 / 578
» An empirical study of
Sort
View
ICTIR
2009
Springer
14 years 4 months ago
"A term is known by the company it keeps": On Selecting a Good Expansion Set in Pseudo-Relevance Feedback
Abstract. It is well known that pseudo-relevance feedback (PRF) improves the retrieval performance of Information Retrieval (IR) systems in general. However, a recent study by Cao ...
Raghavendra Udupa, Abhijit Bhole, Pushpak Bhattach...
UIST
2009
ACM
14 years 4 months ago
Using fNIRS brain sensing in realistic HCI settings: experiments and guidelines
Because functional near-infrared spectroscopy (fNIRS) eases many of the restrictions of other brain sensors, it has potential to open up new possibilities for HCI research. From o...
Erin Treacy Solovey, Audrey Girouard, Krysta Chaun...
CHI
2010
ACM
14 years 4 months ago
Physical activity motivating games: virtual rewards for real activity
Contemporary lifestyle has become increasingly sedentary: little physical (sports, exercises) and much sedentary (TV, computers) activity. The nature of sedentary activity is self...
Shlomo Berkovsky, Mac Coombe, Jill Freyne, Dipak B...
ICDM
2007
IEEE
197views Data Mining» more  ICDM 2007»
14 years 4 months ago
Trend Motif: A Graph Mining Approach for Analysis of Dynamic Complex Networks
Complex networks have been used successfully in scientific disciplines ranging from sociology to microbiology to describe systems of interacting units. Until recently, studies of...
Ruoming Jin, Scott McCallen, Eivind Almaas
IPPS
2007
IEEE
14 years 4 months ago
Optimizing Sorting with Machine Learning Algorithms
The growing complexity of modern processors has made the development of highly efficient code increasingly difficult. Manually developing highly efficient code is usually expen...
Xiaoming Li, María Jesús Garzar&aacu...