Ted Dunning is Chief Applications Architect at MapR
Technologiesand active in the open source community, being
committer and PMC member of the Apache Mahout, Apache ZooKeeper,
and Apache Drill projects and serves as a mentor for these Apache
projects: Storm, Flink, Optiq, Datafu and Drill. He has contributed
to Mahout clustering, classification, matrix decomposition
algorithms and new Mahout Math library, and recently designed the
t-digest algorithm used in several open source projects. He also
architected the modifications for Open TSDB described in this
book.
Ted was the chief architect behind the MusicMatch (now Yahoo
Music)and Veoh recommendation systems, built fraud-detection
systems forID Analytics (LifeLock), and has issued 24 patents to
date. Ted has aPhD in computing science from University of
Sheffield. When he's notdoing data science, he plays guitar and
mandolin. Ted is on Twitter at@ted_dunning.Ellen Friedman is a
solutions consultant and well known speaker and author, currently
writing mainly about big data topics. She is a committer for the
Apache Mahout project and a contributor to the Apache Drill
project. With a PhD in Biochemistry, she has years of experience as
a research scientist and has written about a variety of technical
topics including molecular biology, nontraditional inheritance, and
oceanography. Ellen is also co-author of a book of magic-themed
cartoons, A Rabbit Under the Hat. Ellen is on Twitter at
@Ellen_Friedman.
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