Doctoral Thesis Title: Online Allocation Algorithms with Applications in Computational Advertising

Speaker: Morteza Zadimoghaddam

Date: Friday, December 06, 2013

Time: 12:00 PM to 1:30 PM Note: all times are in the Eastern Time Zone

Refreshments: 1:30 PM

Public: Yes

Location: 32-G575

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Host: Erik Demaine

Contact: Patrice Macaluso, macaluso@csail.mit.edu

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Reminder Subject: TALK: Doctoral Thesis Title: Online Allocation Algorithms with Applications in Computational Advertising

Over the last few decades, a wide variety of allocation markets emerged from the
Internet and introduced interesting algorithmic challenges, e.g., ad auctions, online dating markets, matching skilled workers to jobs, etc. I focus on the use of allocation algorithms in computational advertising as it is the quintessential application of my research. I will also touch on the classic secretary problem with submodular utility functions, and show that how it is related to advertiser's optimization problem in computational advertising applications. In all these practical situations, we should focus on solving the allocation problems in an online setting since the input is being revealed during the course of the algorithm, and at the same time we should make irrevocable decisions. We can formalize these types of computational advertising problems as follows. We are given a set of online items, arriving one by one, and a set of advertisers where each advertiser specifies how much she wants to pay for each of the online items. The goal is to allocate online items to advertisers to maximize some objective function like the total revenue, or the total quality of the allocation. There are two main classes of extensively studied problems in this context: budgeted allocation (a.k.a. the adwords problem) and display ad problems. Each advertiser is constrained by an overall budget limit, the maximum total amount she can pay in the first class, and by some positive integer capacity, the maximum number of online items we can assign to her in the second class.

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Created by Patrice Macaluso Email at Friday, December 06, 2013 at 10:21 AM.