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The History of PageRank and Iterative Searching Algorithms

PageRank is Google’s famous web searching algorithm, that has made Google the gold standard of search engines and has made founders Sergey Brin and Larry Page billionaires. When the Standford Duo first deployed PageRank in 1998, no major search engine at the time had used or developed anything near as efficient as PageRank. This allowed […]

The Asch Experiment and its Relation to Information Cascades

Information cascades might be a simple concept to observe, but it is definitely a strong force we face on a daily basis when it comes to conformity. In 1951, Solomon Asch conducted a social psychological experiment to find out to what extent does a majority group’s social pressure impact an individual to conform. The setup […]

Cancer and the PageRank Algorithm

http://www.slate.com/blogs/future_tense/2013/03/27/google_pagerank_algorithm_markov_chains_and_cancer.html Google’s PageRank algorithm is a key source of the company’s search results page, named after co-founder Larry Page. As it turns out, the algorithm invented for this cause can be applied to areas outside of simply search. Metastasis, or the spread of cancer, is very similar to the spread of information. Therefore, researchers in […]

Combating Web Spam with TrustRank

Source: http://ilpubs.stanford.edu:8090/638/1/2004-17.pdf, https://infobunny.com/google-trustrank   In the course, we extensively discussed the idea of page rank and how its radicality caused Google’s rise to become an internet giant. But the great concept of hubs and authorities which page rank works on also makes it easily susceptible to exploitation. For instance, a lot of people, including legitimate organizations, […]

Information Cascades and Voting

Link: https://www.nytimes.com/2017/04/12/upshot/why-americans-vote-against-their-interest-partisanship.html In the article, “Why America Vote ‘Against Their Interest: Partisanship,” by Amanda Taub, a question that frequents the minds of voters on both sides is explored. Taub provides two explanations for the apparent phenomenon of voters choosing candidates whose public statements seem to directly contradict their interests. She states firstly that partisanship serves […]

Amazon’s A9: the Superior Product Search Algorithm

https://startupbros.com/rank-amazon/ Many users do not know that there are three times the number of buyers searching for products on Amazon rather than Google. Like Google’s search algorithm PageRank, Amazon also has a product search algorithm of its own called A9. Google’s PageRank, as we learned in class, is an algorithm where results of a search […]

Decipher the Instagram Ranking Algorithm

Just as Google utilizes its famous ranking algorithm, PageRank, to decide the order in which the search results are displayed, many social media have their own unique ranking algorithms that are critical in showing the best content to users. One of Instagram’s version updates last year changed the way posts are ranked from solely based […]

Physicists Designed a Quantum Graph Search Technique That Matches Google

Referencing Google’s PageRank algorithm for searching over the internet, the author’s explore a recent study done by physicists published in Physical Review A. Rather than employing the traditional random walk method, the researchers enlisted subatomic particles as “searchers” which explored the traditional graph by exploiting interference effects between particles. To some degree the quantum approach worked. When […]

Guiding users to find quality information through Trust Flow

We learned about the concept of PageRank in this class. PageRank measures how influential each website is by analyzing the links between other websites and ranks each website to help users to find relevant information quickly In the past, PageRank algorithm was successful because there were enough size of information on the web for people […]

Google’s Policy Change for Advertisements related to Drug and Alcohol Abuse

Odds are you have used Google at least once. While using Google Search, you will see that for particular searches, Google “generates” Ads based on keywords that were typed in. In class, we learned about the behind the scenes actions that are taken in order for these Ads to show up, including the roles of […]

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