Nash Equilibrium Used to Create Pricing Model for Phone Networks
http://www.hpcwire.com/hpcwire/2011-10-12/researchers_use_game_theory_to_optimize_use_of_phone_networks.html Cell phone companies currently enter a market for “radio spectrum” under a slow and expensive process which often results in social welfare not being maximized (primarily due to the network being underused). In an effort to redesign the entrance for market participants, researchers are creating a simulation model to test the nash equilibrium that is […]
“We Can Literally Know Everything If We Want To”
http://blogs.computerworld.com/15614/google_ceo_schmidt_we_can_know_everything_about_you In 2010, Google CEO Eric Schmidt was quoted stating “we can literally know everything if we want to.” There have been lawsuits brought against Google for privacy invasion, although this insight into searchers’ lives is intended for their own benefit. Google has access to one’s search history, social networking sites, and many other types […]
How Power affects Perceptions in a Social Network
http://www.mendeley.com/research/power-perception-social-networks/ The paper “Power and the Perception of Social Networks” by Brent Simpson, Barry Markovsky, and Mike Steketee discusses two experiements that were run to test if higher power in a network is correlated with less accurate perception of the network. The experimenters define power as “the potential to obtain favorable outcomes in social relations, […]
Social Network in Rhesus Monkeys
http://content.karger.com/ProdukteDB/produkte.asp?Aktion=ShowPDF&ArtikelNr=83216&Ausgabe=230683&ProduktNr=224249&filename=83216.pdf In S.J. Suomi’s Mother-Infant Attachment, Peer Relationships, and the Development of Social Networks in Rhesus Monkeys, Suomi compared the social network structure of rhesus monkeys to the one of human’s, and it turned out that rhesus monkey has social network complex as human’s, with some differences. Rhesus monkeys form social network groups, with all […]
A System of PageRank Brings Money In Diverse Area
A system of PageRank has become so popular that many people try making money from it. Especially in a famous WebSearch site, Google, users make money by selling links to users who have lower rankings in PageRank system. Let’s say you have a web site which is already ranked between 7 and 10; 1 is […]
Information Cascades: The Netflix Bubble
http://www.economist.com/blogs/democracyinamerica/2011/10/mass-movements Netflix’s stock, trading in the NASDAQ under the ticker symbol ‘NFLX’, began fiscal year 2010 trading at approximately $55. Over the following 18 months, it gained significant momentum and climbed to its peak just above $300. During the past four months, the value of Netflix’s stock has diminished by 73% and is now trading […]
Google and The Introduction of PageRank
Source: http://infolab.stanford.edu/pub/papers/google.pdf This Stanford Paper called “The Anatomy of a Large-Scale Hypertextual Web Search Engine” was written by the founders of Google, Sergey Brin and Lawrence Page. At the time of their research, there was no search engine of the stature they were trying to reach. Their goal was to produce a websearch system that […]
Random Walk Algorithms for Movie Recommendation
http://ids.csom.umn.edu/faculty/gedas/cars2010/Bogers-CARS-2010.pdf In class, we learned about the PageRank algorithm which revolutionized the way in which search engines rank their results. Before PageRank, most search engines returned results solely based on how well they matched the query that the user posed and ignored the network structure of the web all together. PageRank uses the structure of […]
More on the PageRank algorithm
This post is based on the article “How Google Finds Your Needle in the Web’s Haystack”, by David Austin of Grand State Valley University, published on the website of the American Mathematical Society (http://www.ams.org/samplings/feature-column/fcarc-pagerank). The content of this article is similar to the content in section 14.6, the advanced section of Ch. 14 of our […]
Pay-Per-Click Ads: 5 Tips for Higher Clicks this Holiday Season
http://www.practicalecommerce.com/articles/3131-Pay-Per-Click-Ads-5-Tips-for-Higher-Clicks-this-Holiday-Season In such a computer and internet based society, online advertising is “the new black” for the majority of successful businesses in the World. The day when businesses invest heavily in traditional, print advertisements is slowly dwindling away. With an ever increasing amount of internet traffic, especially on search engines like Google, internet advertising is […]
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