2475 search results - page 334 / 495 » Question Answering in TREC |
150
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SIGCSE
2009
ACM
16 years 7 months ago
2009
ACM
It is difficult for instructors of CS1 and CS2 courses to get accurate answers to such critical questions as "how long are students spending on programming assignments?"...
165
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
This paper explores an important and relatively unstudied quality measure of a sponsored search advertisement: bounce rate. The bounce rate of an ad can be informally defined as t...
193
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KDD
2007
ACM
16 years 7 months ago
2007
ACM
Characterising the differences between two databases is an often occurring problem in Data Mining. Detection of change over time is a prime example, comparing databases from two b...
185
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KDD
2007
ACM
16 years 7 months ago
2007
ACM
This article tries to give an answer to a fundamental question in temporal data mining: "Under what conditions a temporal rule extracted from up-to-date temporal data keeps i...
155
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KDD
2006
ACM
16 years 7 months ago
2006
ACM
K-means is a widely used partitional clustering method. While there are considerable research efforts to characterize the key features of K-means clustering, further investigation...