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CEAS
2011
Springer
14 years 6 months ago
Blocking spam by separating end-user machines from legitimate mail server machines
Spamming botnets present a critical challenge in the control of spam messages due to the sheer volume and wide spread of the botnet members. In this paper we advocate the approach...
Fernando Sanchez, Zhenhai Duan, Yingfei Dong
CIKM
2011
Springer
14 years 6 months ago
Worker types and personality traits in crowdsourcing relevance labels
Crowdsourcing platforms offer unprecedented opportunities for creating evaluation benchmarks, but suffer from varied output quality from crowd workers who possess different levels...
Gabriella Kazai, Jaap Kamps, Natasa Milic-Frayling
CIKM
2011
Springer
14 years 6 months ago
Emerging topic detection using dictionary learning
Streaming user-generated content in the form of blogs, microblogs, forums, and multimedia sharing sites, provides a rich source of data from which invaluable information and insig...
Shiva Prasad Kasiviswanathan, Prem Melville, Arind...
CIKM
2011
Springer
14 years 6 months ago
Fact-based question decomposition for candidate answer re-ranking
Factoid questions often contain one or more assertions (facts) about their answers. However, existing question-answering (QA) systems have not investigated how the multiple facts ...
Aditya Kalyanpur, Siddharth Patwardhan, Branimir B...
CIKM
2011
Springer
14 years 6 months ago
Improved answer ranking in social question-answering portals
Community QA portals provide an important resource for non-factoid question-answering. The inherent noisiness of user-generated data makes the identification of high-quality cont...
Felix Hieber, Stefan Riezler