'Scalability problem' presentation slideshows

Collaborative Filtering

Collaborative Filtering. Agenda. Collaborative Filtering (CF) Pure CF approaches User-based nearest-neighbor The Pearson Correlation similarity measure Memory-based and model-based approaches Item-based nearest-neighbor The cosine similarity measure Data sparsity problems

674 views • 45 slides

February 11 2013 Geoffrey Fox gcf@indiana.edu

X-Informatics Case Study: e-Commerce and Life Style Informatics: Recommender Systems III: Algorithms Continued and Software. February 11 2013 Geoffrey Fox gcf@indiana.edu http:// www.infomall.org/X-InformaticsSpring2013/index.html

545 views • 41 slides

Zerocash Decentralized Anonymous Payments from Bitcoin

Zerocash Decentralized Anonymous Payments from Bitcoin. Eli Ben- Sasson ( Technion ) Alessandro Chiesa (MIT) Christina Garman (JHU) Matthew Green (JHU) Ian Miers (JHU ) Eran Tromer (Tel Aviv University ) Madars Virza (MIT). zerocash-project.org.

1.22k views • 23 slides

An Introduction to Decentralized Trust Management

328 views • 19 slides

Scalability in Grids

227 views • 14 slides