\ David M. Andrzejewski

David M. Andrzejewski

Applied machine learning and (un)natural language processing.

Technical Talks

Patents and Applications

Cardinality of time series
United States Patent Application (16/189571)
Christian Friedrich Beedgen, David M. Andrzejewski, Weijia Che
Anomaly detection
United States Patent (US10445311B1)
Kumar Saurabh, David M. Andrzejewski, Yuchen Zhao, Christian Friedrich Beedgen, Bruno Kurtic
Data enrichment and augmentation
United States Patent Application (16/031749)
Christian Friedrich Beedgen, David M. Andrzejewski
Logs to metrics synthesis
United States Patent Application (16/031754)
Christian Friedrich Beedgen, David M. Andrzejewski
Key name synthesis
United States Patent Application (16/031738)
Christian Friedrich Beedgen, David M. Andrzejewski
Visualization Tool For System Tracing Infrastructure Events
United States Patent (US8464221)
Alice X. Zheng, Trishul A. Chilimbi, Shuo-Hsien Hsiao, Danyel A. Fisher, David M. Andrzejewski
System and method of drug identification through radio frequency identification (RFID)
United States Patent Application (11/465993)
Ronald Makin, Kyle Jansson, Silas Zirn, David Andrzejewski, Timothy Flink.

Research Papers

PhD Thesis

Incorporating Domain Knowledge in Latent Topic Models
Advised by Mark Craven and Xiaojin (Jerry) Zhu.
Computer Sciences, University of Wisconsin-Madison (2010)
(pdf, slides)

Technical Blogging

My blog
Mostly machine learning.
Sumo Logic Blog
Posts I've written at work about log management, distributed systems, The Cloud, Scala, etc.

Misc Technical Notes

Analysis/Explanation of HDR (High Dynamic Range) Histograms (pdf)
Contrastive Divergence learning for binary Restricted Boltzmann Machines (RBM) (pdf)
Expectation-Maximization (EM) algorithm (pdf)
Online optimization algorithms (pdf)