7340 search results - page 1399 / 1468 » The Behavior of Tutoring Systems |
162
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Anycast-based content delivery networks (CDNs) have many properties that make them ideal for the large scale distribution of content on the Internet. However, because routing chan...
170
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
154
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WWW
2008
ACM
16 years 6 months ago
2008
ACM
Online auctions have become a pervasive transaction mechanism for e-commerce. As the largest online marketplace in the world, eBay is an attractive case study that enables the stu...
141
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WWW
2008
ACM
16 years 6 months ago
2008
ACM
This paper investigates the strategic decisions of online vendors for offering different mechanism, such as sampling and online reviews of information products, to increase their ...
140
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
Online auction sites have very specific workloads and user behavior characteristics. Previous studies on workload characterization conducted by the authors showed that i) bidding a...