I am an assistant research professor of computer science at Johns Hopkins University. I primarily work
in the Human Language Technology Center of Excellence (COE). I am affiliated with the Center for Speech and Language Processing (CLSP) and am part of the Machine Learning Group.
I lead the Social Media and Health Research Group.
2/15/2014 — Our work on flu tracking was on Weekend Edition Saturday
2/14/2014 — Talk at University of Michigan
2/13/2014 — Talk at Brigham Young University
2/12/2014 — Talk at Amazon's Machine Learning Group
2/11/2014 — Talk at Microsoft Research
2/10/2014 — Talk at San Diego State School of Public Health
1/30/2014 — We hosted NACLO at JHU as the largest site in North America.
1/29/2014 — I had a small role in contributing to the report on The Use of Social Media to Prevent Behavioral Risk Factors Associated with Chronic Disease by the eHealth Initiative.
1/28/2014 — My co-author John Ayers gave a TedX talk on our work.
1/10/2014 — My work on public health effects of the great recession is featured in Huffington Post, New York Times Blogs, Daily Mail and the JHU HUB.
12/2/2013 — Talk at the Johns Hopkins Center for Injury Research and Policy
10/20/2013 — I was on WTOP radio on the National Academy of Engineering segment talking about our work on tracking the flu with Twitter.
10/11/2013 — I will be on a panel at the Mid-Atlantic Student Colloquium on Speech, Language and Learning (MASC-SLL).
8/6/2013 — Talk at Digital Surveillance Workshop at the Centers for Disease Control and Prevention.
7/9/2013 — My work on mining drug forums was featured in the Johns Hopkins Engineering Magazine.
4/30/2013 — Talk for the National Association of County and City Health Officials.
4/22/2013 — Talk at Columbia in the IGERT From Data to Solutions seminar.
4/22/2013 — Talk at the New York City Department of Health and Mental Hygiene.
3/19/2013 — I spoke at the Big Data in Public Health conference.
3/4/2013 — Our work was featured in the Washington Post.
2/28/2013 — I spoke at the Social Media And Response Management Interface Event (SMARMIE). My talk and subsequent panel are online (starts at 3:39.) I am also in the final panel.
2/23/2013 — David Broniatowski, my colleague in CAM in Emergency Medicine, was on Sound Medicine talking about our work.
2/22/2013 — Midday with Dan Rodricks. My segment starts around 25:00.
2/14/2013 — I co-authored the report Youth Violence: What we Need to Know as part of the Subcommittee on Youth Violence of the Advisory Committee to the Social, Behavioral and Economic Sciences Directorate, National Science Foundation.
2/13/2013 — Our work is covered in a Nature News article.
2/7/2013 — Talk at Columbia in the Biomedical Informatics Department.
1/30/2013 — Our work on tracking influenza with Twitter received a lot of press, including CNN, MarketWatch TV and Michigan Radio.
1/18/2013 — My student Michael Paul has been awarded a Microsoft Research PhD Fellowship.
11/14/2012 — Talk at Emory in the Institute for Quantitative Theory and Methods (QuanTM) Seminar Series.
11/13/2012 — Talk at Georgia Tech in the Robotics and Intelligent Machines Center (RIM) Seminar Series.
10/20/2012 — I will be the NAACL 2013 area chair for machine learning with Phil Blunsom.
10/19/2012 — I am helping to organize the second annual Mid-Atlantic Student Colloquium on Speech, Language and Learning (MASC 2012).
10/11/2012 — I attended the CCC Computing and Healthcare Symposium.
5/3/2012 — Talk at the University of Pennsylvania.
4/30/2012 — Talk at the University of Delaware.
4/1/2012 — I am co-organizing a AAAI 2012 Fall Symposium on Information Retrieval and Knowledge Discovery in Biomedical Text.
3/29/2012 — Talk at the Applied Physics Lab.
3/9/2012 — Talk at University of Texas- Dallas.
2/16/2012 — I am a panelist at the Conference of Digital Disease Detection. A video of my talk is available online.
2/2/2012 — We hosted NACLO.
2/1/2012 — I am teaching Current Topics in Machine Learning (600.775) in the Spring of 2012. [Class site]
1/30/2012 — Talk at the NIH Opportunities in Data Visualization and Visual Analytics for Behavioral and Social Sciences Research.
12/7/2011 — Talk at JHU's BioStats Seminar.
11/15/2011 —Talk at Carnegie Mellon University.
10/28/2011 —Talk at Mass General Center for Experimental Drugs and Diagnostics.
9/23/2011 — We are hosting 140 people at the first Mid-Atlantic Student Colloquium on Speech, Language and Learning.
9/12/2011 — My student Ariya Rastrow was awarded the inaugural Frederick Jelinek Fellowship.
9/1/2011 — A feature on our Twitter+Health work in The Johns Hopkins Magazine.
9/1/2011 — I will be the ACL 2012 area chair for machine learning with Trevor Cohn.
8/15/2011 — I am teaching Machine Learning (600.475) in the Fall of 2011. [Class site]
8/10/2011 — I was on NPR. What fun! Midday with Dan Rodricks [Audio]. Also, see the WYPR health minute [Here] and [Here].
7/16/2011 — Our health mining research received some press coverage: great articles by The Atlantic and NPR; also see CBS News, Wall Street Journal (blog), Huffington Post, BBC, GigaOM. We've also been on TV! WJLA and PressHereTV.
6/30/2011 — Talk at the CLSP summer school. [Video]
6/2/2011 — Congratulations to Carolina Parada, who successfully defended her thesis! She is off to Google Research.
5/23/2011 — Giving a talk at the Applied Physics Lab on entity disambiguation.
4/29/2011 — Giving a talk at Health Informatics Seminar. [Video]
2/3/2011 — We served as one of the largest NACLO host sites.
1/30/2011 — I am teaching a new seminar on Machine Learning.
7/1/2010 — I organized a workshop on Amazon Mechanical Turk at NAACL 2010. All of the data is available: Check it out. We received some press coverage on the workshop.
6/15/2010 — My student Carolina Parada was awarded the 2010 Google Graduate Fellowship in Speech.