A Nonparametric Bayesian Approach to Modeling Overlapping Clusters Zoubin Ghahramani∗ Engineering Department University of Cambridge

Source URL: www.gatsby.ucl.ac.uk

Randomized Algorithms for Fast Bayesian Hierarchical Clustering Katherine A. Heller and Zoubin Ghahramani Gatsby Computational Neuroscience Unit University College London, London, WC1N 3AR, UK {heller,zoubin}@gatsby.ucl.

Source URL: www.gatsby.ucl.ac.uk

• Data mining
• Geostatistics
• Hierarchical clustering
• Mixture model
• Unsupervised learning
• Randomized algorithm
• Data stream clustering
• Consensus clustering
• Statistics
• Machine learning
• Cluster analysis

An Alternative Prior Process for Nonparametric Bayesian Clustering Hanna M. Wallach Department of Computer Science University of Massachusetts Amherst

Source URL: www.gatsby.ucl.ac.uk

• Pitman–Yor process
• Chinese restaurant process
• Dirichlet distribution
• Concentration parameter
• Mixture model
• Bayesian inference
• Prior probability
• Statistics
• Stochastic processes
• Dirichlet process

One Class Support Vector Machines for Detecting Anomalous Windows Registry Accesses Katherine A. Heller Krysta M. Svore Angelos D. Keromytis

Source URL: www.gatsby.ucl.ac.uk

A Simple Bayesian Framework for Content-Based Image Retrieval Katherine A. Heller Gatsby Computational Neuroscience Unit University College London Zoubin Ghahramani∗

Source URL: www.gatsby.ucl.ac.uk

A Comparative Evaluation of Two Algorithms for Windows Registry Anomaly Detection Salvatore J. Stolfo, Frank Apap, Eleazar Eskin, Katherine Heller, Shlomo Hershkop, Andrew Honig, and Krysta Svore {sal,fapap,eeskin,heller

Source URL: www.gatsby.ucl.ac.uk

• Information technology management
• Software
• Computer security
• Computer network security
• Anomaly detection
• Data mining
• Intrusion detection system
• Windows Registry
• Malware
• System software
• Data security
• Antivirus software

1 Discovering Non-binary Hierarchical Structures with Bayesian Rose Trees Charles Blundell,† Yee Whye Teh,† and Katherine A. Heller§ †

Source URL: www.gatsby.ucl.ac.uk

• Data management
• Phylogenetics
• Knowledge representation
• Tree
• T-tree
• R-tree
• Cluster analysis
• Maximum parsimony
• B-tree
• Statistics
• Graph theory
• Binary trees

Bayesian Hierarchical Clustering Katherine A. Heller Zoubin Ghahramani Gatsby Computational Neuroscience Unit, University College London 17 Queen Square, London, WC1N 3AR, UK

Source URL: www.gatsby.ucl.ac.uk

• Cluster analysis
• Bioinformatics
• Data mining
• Hierarchical clustering
• Single-linkage clustering
• Conjugate prior
• Mixture model
• Dirichlet process
• Variational Bayesian methods
• Statistics
• Machine learning
• Bayesian statistics

Infinite Hierarchical Hidden Markov Models Katherine A. Heller Engineering Department University of Cambridge Cambridge, UK

Source URL: www.gatsby.ucl.ac.uk

Bayesian Exponential Family PCA Shakir Mohamed Katherine Heller Zoubin Ghahramani Department of Engineering, University of Cambridge

Source URL: www.gatsby.ucl.ac.uk