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Adwords management for third-parties in SEM: An optimisation model and the potential of Twitter

Abstract : In Search Engine Marketing (SEM), “third-party” partners play an important intermediate role by bridging the gap between search engines and advertisers in order to optimise advertisers' campaigns in exchange of a service fee. In this paper, we present an economic analysis of the market involving a third-party broker in Google AdWords and the broker's customers. We show that in order to optimise his profit, a third-party broker should minimise the weighted average Cost Per Click (CPC) of the portfolio of keywords attached to customer's ads while still satisfying the negotiated customer's demand. To help the broker build and manage such portfolio of keywords, we develop an optimisation framework inspired from the classical Markowitz portfolio management which integrates the customer's demand constraint and enables the broker to manage the tradeoff between return on investment and risk through a single risk aversion parameter. We then propose a method to augment the keywords portfolio with relevant keywords extracted from trending and popular topics on Twitter. Our evaluation shows that such a keywords-augmented strategy is very promising and enables the broker to achieve, on average, four folds larger return on investment than with a non-augmented strategy, while still maintaining the same level of risk.
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Contributor : Salamatian Kavé <>
Submitted on : Saturday, October 8, 2016 - 11:12:39 AM
Last modification on : Tuesday, January 21, 2020 - 10:03:50 AM




Dong Wang, Zhenyu Li, Gaogang Xie, Mohamed Ali Kaafar, Kavé Salamatian. Adwords management for third-parties in SEM: An optimisation model and the potential of Twitter. IEEE INFOCOM 2016 - The 35th Annual IEEE International Conference on Computer Communications, , IEEE, May 2016, San Francisco, United States. ⟨10.1109/INFOCOM.2016.7524581⟩. ⟨hal-01377984⟩



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