'Data sparsity' diaporamas de présentation

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Hierarchies in Data Mining

Hierarchies in Data Mining

Hierarchies in Data Mining. Raghu Ramakrishnan ramakris@yahoo-inc.com Chief Scientist for Audience and Cloud Computing Yahoo!. About this Talk. Common theme—multidimensional view of data: Reveals patterns that emerge at coarser granularity

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876 views • 69 slides
Towards Publishing Recommendation Data With Predictive Anonymization

Towards Publishing Recommendation Data With Predictive Anonymization

Towards Publishing Recommendation Data With Predictive Anonymization. Chih-Cheng Chang † , Brian Thompson † , Hui Wang ‡ , Danfeng Yao †. †. ‡. ACM Symposium on Information, Computer, and Communications Security (ASIACCS 2010). Outline. Introduction Privacy in recommender systems

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471 views • 32 slides
Towards Publishing Recommendation Data With Predictive Anonymization

Towards Publishing Recommendation Data With Predictive Anonymization

Towards Publishing Recommendation Data With Predictive Anonymization. Chih-Cheng Chang † , Brian Thompson † , Hui Wang ‡ , Danfeng Yao †. †. ‡. ACM Symposium on Information, Computer, and Communications Security (ASIACCS 2010). Outline. Introduction Privacy in recommender systems

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434 views • 32 slides
HLT, Data Sparsity and Semantic Tagging Louise Guthrie (University of Sheffield)

HLT, Data Sparsity and Semantic Tagging Louise Guthrie (University of Sheffield)

HLT, Data Sparsity and Semantic Tagging Louise Guthrie (University of Sheffield) Roberto Basili (University of Tor Vergata, Rome) Hamish Cunningham (University of Sheffield). Outline. A ubiquitous problem: data sparsity The approach: coarse-grained semantic tagging

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324 views • 21 slides
HLT, Data Sparsity and Semantic Tagging Louise Guthrie (University of Sheffield)

HLT, Data Sparsity and Semantic Tagging Louise Guthrie (University of Sheffield)

HLT, Data Sparsity and Semantic Tagging Louise Guthrie (University of Sheffield) Roberto Basili (University of Tor Vergata, Rome) Hamish Cunningham (University of Sheffield). Outline. A ubiquitous problem: data sparsity The approach: coarse-grained semantic tagging

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349 views • 21 slides

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