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David Heckerman

Researcher at Microsoft

Publications -  486
Citations -  65798

David Heckerman is an academic researcher from Microsoft. The author has contributed to research in topics: Bayesian network & Graphical model. The author has an hindex of 109, co-authored 483 publications receiving 62668 citations. Previous affiliations of David Heckerman include University of California, Los Angeles & Amazon.com.

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Empirical Analysis of Predictive Algorithms for Collaborative Filtering

TL;DR: In this article, the authors compare the predictive accuracy of various methods in a set of representative problem domains, including correlation coefficients, vector-based similarity calculations, and statistical Bayesian methods.
Proceedings Article

Empirical analysis of predictive algorithms for collaborative filtering

TL;DR: Several algorithms designed for collaborative filtering or recommender systems are described, including techniques based on correlation coefficients, vector-based similarity calculations, and statistical Bayesian methods, to compare the predictive accuracy of the various methods in a set of representative problem domains.
Journal ArticleDOI

Learning Bayesian Networks: The Combination of Knowledge and Statistical Data

TL;DR: In this article, a Bayesian approach for learning Bayesian networks from a combination of prior knowledge and statistical data is presented, which is derived from a set of assumptions made previously as well as the assumption of likelihood equivalence, which says that data should not help to discriminate network structures that represent the same assertions of conditional independence.
Journal ArticleDOI

A hexanucleotide repeat expansion in C9ORF72 is the cause of chromosome 9p21-linked ALS-FTD

Alan E. Renton, +85 more
- 20 Oct 2011 - 
TL;DR: The chromosome 9p21 amyotrophic lateral sclerosis-frontotemporal dementia (ALS-FTD) locus contains one of the last major unidentified autosomal-dominant genes underlying these common neurodegenerative diseases, and a large hexanucleotide repeat expansion in the first intron of C9ORF72 is shown.
Journal ArticleDOI

Efficient Control of Population Structure in Model Organism Association Mapping

TL;DR: A new method, efficient mixed-model association (EMMA), which corrects for population structure and genetic relatedness in model organism association mapping and takes advantage of the specific nature of the optimization problem in applying mixed models for association mapping, which allows for substantially increase the computational speed and reliability of the results.