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SIGIR
2009
ACM
14 years 2 months ago
Smoothing clickthrough data for web search ranking
Incorporating features extracted from clickthrough data (called clickthrough features) has been demonstrated to significantly improve the performance of ranking models for Web sea...
Jianfeng Gao, Wei Yuan, Xiao Li, Kefeng Deng, Jian...
IPPS
2007
IEEE
14 years 1 months ago
A Landmark-based Index Architecture for General Similarity Search in Peer-to-Peer Networks
The indexing of complex data and similarity search plays an important role in many application areas. Traditional centralized index structure can not scale with the rapid prolifer...
Xiaoyu Yang, Yiming Hu
WWW
2011
ACM
13 years 2 months ago
Pragmatic evaluation of folksonomies
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 ...
Denis Helic, Markus Strohmaier, Christoph Trattner...
EGC
2009
Springer
13 years 5 months ago
A Bayes Evaluation Criterion for Decision Trees
We present a new evaluation criterion for the induction of decision trees. We exploit a parameter-free Bayesian approach and propose an analytic formula for the evaluation of the p...
Nicolas Voisine, Marc Boullé, Carine Hue
ERCIMDL
2009
Springer
75views Education» more  ERCIMDL 2009»
14 years 2 months ago
Evaluation in Context
Abstract. All search happens in a particular context—such as the particular collection of a digital library, its associated search tasks, and its associated users. Information re...
Jaap Kamps, Mounia Lalmas, Birger Larsen