Re: [change] UW Change Seminar: May 15 Dominic Widdows GrabShare

Tuesday, May 15 2018

Jared Moore Tue, 15 May 2018 11:43:45 -0700 Hi all. This is happening very soon. Join the live stream here < >. > On May 14, 2018, at 17:25, Trevor Perrier wrote: >> Please join us for the Change Seminar tomorrow Tuesday 5/15/2018 in EEB 037. >> Who: Dominic Widdows, Grab > What: GrabShare: The construction of a realtime ridesharing service in > Southeast Asia > When: Tuesday, May 15 12-1pm > Where: EEB 037 >> GrabShare: The construction of a realtime ridesharing service in Southeast > Asia >> Ridesharing is a natural option for increasing the efficiency and > availability of transportation, and many factors need to align for > ridesharing to successfully meet user needs in the marketplace. This talk > explains how some of these issues have been addressed in the creation of > GrabShare, a realtime ridesharing service available in an increasing number > of Southeast Asian cities including Singapore, Manila, Kuala Lumpur, and > Jakarta. From an algorithmic point of view, the central topic is the > scheduling system, which, given passenger bookings and vehicle locations, > assigns passengers to vehicles and creates routes for those vehicles to > follow. Other crucial factors include pricing, a navigable and reliable user > experience, a system architecture robust to rejections and cancellations, and > computationally tractable use of maps and traffic resources. A continuing > dedication to understanding each city's individual needs and challenges, and > persistent attention to user feedback, is also vital. This paper at > >< > gives an account of these > areas, and attempts to give an organic overview of how GrabShare helps to > serve customers as part of an integrated suite of transportation services > throughout Southeast Asia. >> Bio: > Dominic came to Grab after several years working on local search at > Microsoft, commerce and logistics at Google, natural language processing and > machine learning at Stanford, and a few other places along the way. >> He started off as a differential geometer at Oxford developing quaternion > algebraic geometry, and is still applying geometry to various problem areas. > In 2000 he moved to California and worked on natural language processing at > Stanford, mainly using graph theory and linear algebra to model word > meanings, which led to the application of quantum logic in word vector > models. He continues this work as an open-source owner of the SemanticVectors > package and steering committee member for the Quantum Interaction conference > series. >> High points of his time at Google included building the first routing and > delivery system for the project that became Google Shopping Express, and > organizing the star data, matrix transformations, and time travel feature for > Google Sky Map. (If you have an Android phone and any interest in backyard >astronomy, this is still a very fun and useful app to play with!) Most of his > work at Microsoft was in local search and information extraction of business > listings from the web. >> So far at Grab he’s worked on designing and building the first versions of > GrabShare and GrabExpress, and is now mainly focussing on NLP and AI > challenges with Southeast Asian languages, particularly Indonesian and > Malaysian. > > change mailing list > [email protected] >