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  <div class="vevent h-event"> <h1 class="summary p-name">Pdx Hadoop - Data Science Meeting</h1> <div class='date'><time class="dtstart dt-start" title="2012-04-25T19:00:00" datetime="2012-04-25T19:00:00">Wednesday, April 25, 2012 from 7</time>–<time class="dtend dt-end" title="2012-04-25T21:00:00" datetime="2012-04-25T21:00:00">9pm</time></div> <div class="location vcard p-location h-card"> <a class="url" href='http://calagator.org/venues/202392011'><span class='fn org p-name'>Cloudability</span></a> <div class="adr p-adr h-adr"> <div class="street-address p-street-address">334 NW 11th Avenue</div> <span class="locality p-locality">Portland</span> , <span class="region p-region">OR</span> <span class="postal-code p-postal-code">97209</span> <div class="country-name p-country-name">US</div> (<a href='https://maps.google.com/maps?q=334%20NW%2011th%20Avenue,%20Portland%20OR%2097209%20US'>map</a>) </div> </div> <div class="description p-description"> <p>Presentation this month by Dave Revell from Urban Airship.</p> <p>OVERVIEW "The main topic will be how we use Hadoop and HBase at Urban Airship for collecting and analyzing data from mobile apps. Mobile app developers integrate our client library into their apps, which send analytic events to our backend. We'll talk about the problems involved in collecting and analyzing data at scale. We use HBase for storing raw events, for feeding the analysis processes, and serving the generated reports. We use Hadoop Mapreduce for ad-hoc analysis and moving large amounts of data; we'll talk about why it's unsuitable for the kind of near-real-time incremental analysis that we do.</p> <p>For the data scientists, we'll talk about our data set and types of analyses we'd like to do. Our current reports are fairly basic, but we'd like to know what factors affect user engagement with mobile push notifications and whether we can make predictions about their effectiveness."</p> <p>Questions and suggestions are definitely welcome. Post on Google Groups Page: <a href="https://groups.google.com/d/forum/pdx-h-d-s">https://groups.google.com/d/forum/pdx-h-d-s</a></p> </div> <h3>Links</h3> <ul> <li><a class="url u-url" href="http://groups.google.com/group/pdx-h-d-s">Website</a></li> </ul> </div>