18188 search results - page 56 / 3638 » Evaluation for Collaborative Systems |
125
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HCI
2007
15 years 2 months ago
2007
It is difficult for a navigator to find a way to a given target location in an unfamiliar environment. Often, wayfinding guidance such as an overview map is provided to assist the ...
102
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SIGIR
2010
ACM
15 years 5 months ago
2010
ACM
Collaborative Filtering (CF) algorithms, used to build webbased recommender systems, are often evaluated in terms of how accurately they predict user ratings. However, current eva...
213
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C5
2010
IEEE
15 years 10 days ago
2010
IEEE
— This paper presents a study of the learning process in a distance collaborative learning environment with a chat system and a Wiki, and development of a new chat system based o...
127
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AAAI
2012
13 years 3 months ago
2012
We propose a novel sequential decision approach to modeling ordinal ratings in collaborative filtering problems. The rating process is assumed to start from the lowest level, eva...
109
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RECSYS
2009
ACM
15 years 8 months ago
2009
ACM
Top-N item recommendation is one of the important tasks of recommenders. Collaborative filtering is the most popular approach to building recommender systems which can predict ra...