Publications
Conference papers
- A. Dubey, A. Hefny, S. Williamson and E. P. Xing. A non-parametric mixture model for topic modeling over time. To appear in SDM, 2013. [preprint]
- N. Foti, J. Futoma, D. Rockmore and S. Williamson. A unifying representation for a class of completely random measures. To appear in AISTATS, 2013. [preprint]
- S. Williamson, A. Dubey and E. P. Xing. Parallel Markov chain Monte Carlo for nonparametric mixture models. To appear in ICML, 2013. [pdf]
- N. Foti and S. Williamson. Slice sampling normalized kernel-weighted completely random measure mixture models. NIPS, 2012. [pdf]
- Y. Hu, K. Zhai, S. Williamson and J. Boyd-Graber. Modeling images using transformed Indian buffet processes. ICML, 2012. [pdf]
- S. Williamson, C. Wang, K. A. Heller and D. M. Blei. The IBP-compound Dirichlet process and its application to focused topic modeling. ICML, 2010. [pdf]
- S. Williamson, P. Orbanz and Z. Ghahramani. Dependent Indian Buffet Processes. AISTATS, 2010. [pdf]
- K. A. Heller, S. Williamson and Z. Ghahramani. Statistical models for partial membership. ICML, 2008. [pdf]
Workshop abstracts
- S. Williamson, P. Orbanz and Z. Ghahramani. Dependent beta processes. Valencia 9, 2010.
- S. Williamson, C. Wang, K. A. Heller and D. M. Blei. Focused topic models. NIPS Workshop on Applications of Topic Models: Text and Beyond, 2009. [pdf]
- S. Williamson and Z. Ghahramani. Probabilistic models for data combination in recommender systems. NIPS Workshop on Learning from Multiple Sources, 2008. [pdf]
Book Chapters
- S. Williamson, C. Wang, K. A. Heller and D. M. Blei. Nonparametric mixed membership models using the IBP compound Dirichlet process. K. L. Mengerson, C. P. Robert, and D. M. Titterington, editors, Mixture Estimation and Applications. John Wiley & Sons, 2011.
Working Papers
- N. Foti and S. Williamson. A survey of non-exchangeable priors for Bayesian nonparametric models. [pdf]
- P. Orbanz and S. Williamson. Unit-rate Poisson representations of completely random measures. [pdf]
- S. Williamson, Z. Ghahramani, S. N. MacEachern and E. P. Xing. Restricting exchangeable nonparametric distributions. [pdf]
