3295 search results - page 270 / 659 » Using Technologies to Improve E-Learning |
158
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ECIR
2010
Springer
15 years 8 months ago
2010
Springer
Ranking a set retrieval systems according to their retrieval effectiveness without relying on relevance judgments was first explored by Soboroff et al. [13]. Over the years, a numb...
181
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
The primary business model behind Web search is based on textual advertising, where contextually relevant ads are displayed alongside search results. We address the problem of sel...
195
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ECIR
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
186
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SEMWEB
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Increasingly huge RDF data sets are being published on the Web. Currently, they use different syntaxes of RDF, contain high levels of redundancy and have a plain indivisi...
167
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
We propose novel spatio-temporal models to estimate clickthrough rates in the context of content recommendation. We track article CTR at a fixed location over time through a dynam...