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201
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Measuring the causal effects of online advertising (adfx) on user behavior is important to the health of the WWW publishing industry. In this paper, using three controlled experi...
174
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
In this work, we study the notion of competing campaigns in a social network. By modeling the spread of influence in the presence of competing campaigns, we provide necessary too...
170
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Query auto completion is known to provide poor predictions of the user’s query when her input prefix is very short (e.g., one or two characters). In this paper we show that con...
193
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
We investigate the problem of learning to rank for document retrieval from the perspective of learning with multiple objective functions. We present solutions to two open problems...
198
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Recently, a number of algorithms have been proposed to obtain hierarchical structures — so-called folksonomies — from social tagging data. Work on these algorithms is in part ...