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Popescu, George
Ecole Polytechnique Federale de Lausanne
Lausanne, Switzerland
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1 - 10 of 72
reviews
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 Classifying Web search queries to identify high revenue generating customers
Ortiz-Cordova A., Jansen B. Journal of the American Society for Information Science and Technology 63(7): 1426-1441, 2012. Type: Article, Reviews: (1 of 2)
A Web search engine obtains the majority of its revenue by publishing ads for Web sites that, based on a user’s typed query, are specific to his or her interests. It is thus important to identify visitors who generate high re...
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Sep 26 2012 |
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Perceptions of autonomy: a survey of user opinions towards autonomy in intelligent environments
Ball M., Callaghan V. IE 2011 (Proceedings of the 7th International Conference on Intelligent Environments, Nottingham, UK, Jul 25-28, 2011) 277-284, 2011. Type: Proceedings
This paper surveys user opinions on issues related to autonomy in intelligent environments. The main contributions can be categorized into three parts: a great comparison with three previous studies, a presentation of quantitative and ...
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Aug 31 2012 |
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Supervised dictionary learning for music genre classification
Yeh C., Yang Y. ICMR 2012 (Proceedings of the 2nd ACM International Conference on Multimedia Retrieval, Hong Kong, Jun 5-8, 2012) 1-8, 2012. Type: Proceedings
This paper uses a supervised dictionary learning method to classify music genres. It shows how text-like representation captures relevant music information. The main results prove the high accuracy of the method, with references to oth...
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Aug 15 2012 |
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The model of appropriation: contribution of rational choice theory and cognitive science to a better technology
Zejda D. IE 2011 (Proceedings of the 7th International Conference on Intelligent Environments, Nottingham, UK, Jul 25-28, 2011) 262-269, 2011. Type: Proceedings
The model of appropriation presented here represents a simple model of reasoning that brings together concepts from rational choice theory and cognitive science to shed light on human cognition and behavior related to the human capacit...
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Aug 6 2012 |
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nepDroid: an intelligent mobile music player
Huber S., Schedl M., Knees P. ICMR 2012 (Proceedings of the 2nd ACM International Conference on Multimedia Retrieval, Hong Kong, Jun 5-8, 2012) 1-2, 2012. Type: Proceedings
This short paper presents a novel interaction technique for smartphones that allows users to browse music stored on mobile devices in a game-like way. Unlike music retrieval methods based on metadata text search, the nepDroid mobile mu...
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Jul 27 2012 |
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An algorithmic characterization of multi-dimensional mechanisms
Cai Y., Daskalakis C., Weinberg S. STOC 2012 (Proceedings of the 44th Symposium on Theory of Computing, New York, NY, May 19-22, 2012) 459-478, 2012. Type: Proceedings
Cai et al. provide a characterization of multidimensional mechanisms through an algorithmic approach. First, mechanism design is defined as the task of selecting the outcomes that can maximize a social welfare function. The main settin...
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Jul 10 2012 |
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Budget feasible mechanism design: from prior-free to Bayesian
Bei X., Chen N., Gravin N., Lu P. STOC 2012 (Proceedings of the 44th Symposium on the Theory of Computing, New York, NY, May 19-22, 2012) 449-458, 2012. Type: Proceedings
Budget feasible mechanism design concerns the study of combinatorial auctions in which the seller has fixed costs for producing items, while buyers have a budget constraint on the total they will pay and thus aim to maximize their indi...
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Jun 26 2012 |
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On truth discovery in social sensing: a maximum likelihood estimation approach
Wang D., Kaplan L., Le H., Abdelzaher T. IPSN 2012 (Proceedings of the 11th International Conference on Information Processing in Sensor Networks, Beijing, China, Apr 16-20, 2012) 233-244, 2012. Type: Proceedings
Truth discovery in noisy social sensing data represents a challenging task. This paper presents a maximum likelihood estimation algorithm that computes the probability that a given measurement is true based on sensory data collected th...
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Jun 1 2012 |
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Incentive-rewarding mechanism to stimulate activities in social networking services
Yogo K., Shinkuma R., Konishi T., Itaya S., Doi S., Yamada K., Takahashi T. International Journal of Network Management 22(1): 1-11, 2012. Type: Article
As social networks continue to grow, and considering both the number of users and the amount of contributions, links, uploads, and content between them, the challenge of stimulating activity in social networking services becomes import...
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May 29 2012 |
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Content-based trust and bias classification via biclustering
Siklósi D., Daróczy B., Benczúr A. WebQuality 2012 (Proceedings of the 2nd Joint WICOW/AIRWeb Workshop on Web Quality, Lyon, France, Apr 16, 2012) 41-47, 2012. Type: Proceedings
This paper aims to improve trust in a large collection of Web data, given a specific domain. Obtaining a large collection of opinions from unbiased and trustworthy sources is a challenge. The authors focus on assessing trust and neutra...
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May 25 2012 |
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