[Colloq] Thesis Defense: Title: Personalization in Online Services: Measurement, Analysis, and Implications | Speaker: Ancsa Hannak | Date: 6/29/16 Time: 2pm Location: 366 WVH

Walker, Lashauna la.walker at northeastern.edu
Wed Jun 15 10:45:58 EDT 2016


Title: Personalization in Online Services: Measurement, Analysis, and Implications
Speaker: Ancsa Hannak
Date: 6/29/16    Time: 2pm    Location: 366 WVH

Abstract:
An increasing number of web services are now using personalization algorithms to shape the content they serve to their users in order to best meet users' tastes and needs. In many cases, personalization provides advantages for users: for example, users now expect search engines to return local results when searching for restaurants. However, the increasing level of personalization and the lack of transparency is now leading to concerns about its potential negative effects: in case of web search engines, personalization might lead to users not being able to access information that the search engine's algorithm decides is irrelevant.  Or, in case of e-commerce sites, it might lead to price discrimination, where different users see different prices or products when shopping online. Despite these concerns, there has been little quantification of the extent of personalization on Web services, or the user attributes that cause it.

In this my thesis work, I aim to develop the necessary tools to detect and quantify personalization. I first develop a general methodology for measuring personalization that can be used across multiple different web services. While conceptually simple, there are numerous details that the methodology must handle in order to accurately attribute differences in the content served to personalization. I collect data from real-world users to quantify the level of personalization observed today; I then build synthetic user accounts to investigate which user features drive personalization. This work is the first step towards understanding the extent and effects of personalization. Overall, the goal of this work is to both increase transparency into the operation of the web services as well as provide tools for the research community to further investigate the issue in other contexts.


Committee members:
Alan Mislove
David Lazer
Christo Wilson
Sune Lehmann



Thank You.

LaShauna Walker
Events and Administrative Specialist
College of Computer and Information Science
Northeastern University
617-373-2763
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