{"id":304,"date":"2018-08-07T13:10:24","date_gmt":"2018-08-07T13:10:24","guid":{"rendered":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/?page_id=304"},"modified":"2018-10-10T11:43:30","modified_gmt":"2018-10-10T11:43:30","slug":"keynote_mavridis","status":"publish","type":"page","link":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/keynote_mavridis\/","title":{"rendered":"Keynote 2"},"content":{"rendered":"<h3>User Experience and Data: Bridging the Gap<\/h3>\n<p><strong>by Themis Mavridis, Booking.com, Netherlands<\/strong><\/p>\n<h4><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-317 alignleft\" src=\"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-content\/uploads\/2018\/08\/themis-266x300.jpg\" alt=\"\" width=\"175\" height=\"197\" srcset=\"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-content\/uploads\/sites\/4\/2018\/08\/themis-266x300.jpg 266w, http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-content\/uploads\/sites\/4\/2018\/08\/themis.jpg 320w\" sizes=\"auto, (max-width: 175px) 100vw, 175px\" \/>Abstract<\/h4>\n<p>Booking.com is the world&#8217;s largest virtual two-sided marketplace with multi-dimensional, diverse and rich inventory. It aims to provide optimal shopping experience for our guests even with minimal user interaction. In this talk, I will discuss about the various unique and complex business cases, and the challenges that we face while we strive to bridge the gap between user experience and data. Finally, I will describe how we successfully utilize Machine Learning validated through rigorous Randomized Controlled Experiments in every step of the user journey.<\/p>\n<h4>About the speaker<\/h4>\n<p>Themis Mavridis is a Senior Data Scientist at Booking.com. In his work, he loves to apply machine learning, software engineering and statistics to customer-facing products. He leads the Machine Learning on Search at Booking.com. He is usually handling out-of-core \/ online algorithms for search, ranking and recommendations. Themis really enjoys \u201ceating\u201d Big Data with Vowpal Wabbit.<\/p>\n<p>Furthermore, he used to do applied research on search engines, crawlers and topic modeling. His background is in Electrical &amp; Computer Engineering. Themis studied at the Aristotle University of Thessaloniki (AUTH) in Greece and at the Vrije Universiteit (VU) Amsterdam in the Netherlands.<\/p>\n<p><a href=\"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-content\/uploads\/2018\/10\/RecTour18_Keynote_Mavridis.pdf\" target=\"_blank\" rel=\"noopener\">Download presentation slides<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>User Experience and Data: Bridging the Gap by Themis Mavridis, Booking.com, Netherlands Abstract Booking.com is the world&#8217;s largest virtual two-sided marketplace with multi-dimensional, diverse and rich inventory. It aims to provide optimal shopping experience for our guests even with minimal&#8230;<br \/><a class=\"read-more-button\" href=\"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/keynote_mavridis\/\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-304","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/pages\/304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/comments?post=304"}],"version-history":[{"count":6,"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/pages\/304\/revisions"}],"predecessor-version":[{"id":374,"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/pages\/304\/revisions\/374"}],"wp:attachment":[{"href":"http:\/\/www.ec.tuwien.ac.at\/rectour2018\/wp-json\/wp\/v2\/media?parent=304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}