128 search results - page 17 / 26 » Improving Student Question Classification |
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IFIP12
2008
15 years 1 months ago
2008
Sampling methods are a direct approach to tackle the problem of class imbalance. These methods sample a data set in order to alter the class distributions. Usually these methods ar...
CHI
2006
ACM
16 years 4 days ago
2006
ACM
`Embedded phenomena' is a learning technology framework in which simulated scientific phenomena are mapped onto the physical space of classrooms. Students monitor and control...
CHI
2010
ACM
15 years 6 months ago
2010
ACM
In this paper we discuss a screening process used in conjunction with a survey administered via Amazon.com’s Mechanical Turk. We sought an easily implementable method to disqual...
CHI
2009
ACM
16 years 9 days ago
2009
ACM
This paper describes the preliminary results of a study conducted to answer the question: Do users attribute moral accountability to personified agent technologies? A pilot study ...
OZCHI
2006
ACM
15 years 5 months ago
2006
ACM
There are various situations where a distinction needs to be made between group members and outsiders. For example, to protect students in chat groups from unpleasant incidents ca...