conftrace_
2014 NIPS NeurIPS 2014

Parallel Sampling of HDPs using Sub-Cluster Splits

Abstract

We develop a sampling technique for Hierarchical Dirichlet process models. The parallel algorithm builds upon [Chang & Fisher 2013] by proposing large split and merge moves based on learned sub-clusters. The additional global split and merge moves drastically improve convergence in the experimental results. Furthermore, we discover that cross-validation techniques do not adequately determine convergence, and that previous sampling methods converge slower than were previously expected.

🌉 Interdisciplinary Bridge - Artificial Intelligence and Machine Learning
🧭 Keyword Pioneer - split-merge algorithm
🐣 Hot Topic Early Bird - markov chain monte carlo
🐝 Cross-Pollinator - Artificial Intelligence, Computer Science, Computer Vision, Data Science & Analytics, Deep Learning, Healthcare & Medicine, Interdisciplinary, Knowledge & Reasoning, Machine Learning, Mathematics & Optimization, Natural Language Processing, Reinforcement Learning