TileBars: visualization of term distribution information in full text information access
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Experiences with selecting search engines using metasearch
ACM Transactions on Information Systems (TOIS)
Improved algorithms for topic distillation in a hyperlinked environment
Proceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval
Accessibility of information on the Web
intelligence
DEADLINER: building a new niche search engine
Proceedings of the ninth international conference on Information and knowledge management
A case study in web search using TREC algorithms
Proceedings of the 10th international conference on World Wide Web
Context and Page Analysis for Improved Web Search
IEEE Internet Computing
Impedance coupling in content-targeted advertising
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
How much of it is real? Analysis of paid placement in Web search engine results
Journal of the American Society for Information Science and Technology
Strategic bidder behavior in sponsored search auctions
Decision Support Systems
Factors relating to the decision to click on a sponsored link
Decision Support Systems
Optimal Auctions Capturing Constraints in Sponsored Search
AAIM '09 Proceedings of the 5th International Conference on Algorithmic Aspects in Information and Management
Biased Listing in Electronic Marketplaces: Exploring Its Implications in On-Line Hotel Distribution
International Journal of Electronic Commerce
DASA: Dissatisfaction-oriented Advertising based on Sentiment Analysis
Expert Systems with Applications: An International Journal
Temporal click model for sponsored search
Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Language model mixtures for contextual ad placement in personal blogs
FinTAL'06 Proceedings of the 5th international conference on Advances in Natural Language Processing
Algorithmic challenges in web search engines
WEA'06 Proceedings of the 5th international conference on Experimental Algorithms
Algorithmic challenges in web search engines
LATIN'06 Proceedings of the 7th Latin American conference on Theoretical Informatics
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Proceedings of the 18th Brazilian symposium on Multimedia and the web
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Internet search engines and comparison shopping have recently begun implementing a paid placement strategy, where some content providers are given prominent positioning in return for a placement fee. This bias generates placement revenues but creates a disutility to users, thus reducing user-based revenues. We formulate the search engine design problem as a tradeoff between these two types of revenues. We demonstrate that the optimal placement strategy depends on the relative benefits (to providers) and disutilities (to users) of paid placement. We compute the optimal placement fee, characterize the optimal bias level, and analyze sensitivity of the placement strategy to various factors. In the optimal paid placement strategy, the placement revenues are set below the monopoly level due to its negative impact on advertising revenues. An increase in the search engine's quality of service allows it to improve profits from paid placement, moving it closer to the ideal. However, an increase in the value-per-user motivates the gatekeeper to increase market share by reducing further its reliance on paid placement and fraction of paying providers.