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The Power of Connection : Viral Marketing

From our last assignment, we have learnt how to successfully authorize ourselves when entering into the existing PageRank system: to create as much as connections with those who dominate the system, and share their gains. And the similar strategy can also be applied to the actual product market. Although not necessarily the same algorithm with […]

The Majority Illusion

The majority illusion is a phenomenon that occurs when the minority in a group is better connected than the other members of the group, or simply more vocal about their opinions. This can be seen in the first graph in the article, which illustrates an example town. In the graph, only 3 nodes were in […]

Automating Twitter’s Moments feature Twitter recently unveiled their new “Moments” feature. Moments is a new product that they are saying will revolutionize the way people track and hear about breaking news. Twitter has long been developing into a platform for breaking news, where users can track live tweets from reporters, broadcasters, and civilians on the scene of major […]

Facebook’s New Search Function Presents Privacy Risks

Last week, Facebook announced that it has improved its search functionality indexing 2 trillion posts. This new feature was designed to combat Google’s core functionality as a search engine and also challenge Twitter’s new Moments feature, which allows users to view the news in a succinct and simple manner. Tom Stocky, Facebook’s Vice President of […]

Optimizing For eBay Best Match Results

Competition between eBay users is apparent in the online auction formatting of the site, where the bidder with the highest bid within the allotted time frame receives the item. However, competition between sellers for the top listing of relevant search queries is more embedded in eBay’s Best Match algorithm. With scores for each listing determined […]

Social Graph Tie Strength as a Result of Social Networking Activity

In a paper for the 2014 ACM Conference on Human Factors in Computing (CHI), Facebook Data Scientist Moira Burke and Professor Robert Kraut of Carnegie Mellon University examine the effect of social networking sites (SNS) on relative tie strength among social graph connections. The authors studied over 82,000 Facebook friendships in order to test the assertion that social […]

Google brings PageRank to apps

When the PageRank system was first introduced, it changed the way search engines delivered content. This revolutionized not only user—web interaction, but also how search engines construct their monetization strategies of harnessing advertisement revenue. Without PageRank, programs such as AdWords that deliver individualized advertisement content to users searching for relevant information could not exist. Recently […]

Facebook Updates Search Feature to include public posts

Last week, Facebook announced that it will be indexing all two trillion posts. The way this will work is through making these public posts widely available on the entire network, and a search on any term or a set of terms will return all related public posts that users are allowed to see. The new […]

RankBrain: Artificial Intelligence in Web Search

After years of research in artificial intelligence, Google has announced it’s new search feature: RankBrain. Idealized to deal with queries the search engine has never seen before (about 15% of all queries), RankBrain has already become the third most important signal contributing to the result of a search query. The signal, using vectors, has the ability to […]

Using PageRank to Recommend Products

In addition to searching, PageRank can also be used for recommendation systems. When someone visits a website that is selling some sort of product there is usually a recommendation section. Rather than just giving related products, PageRank can be used to suggest new products for the user based on other factors. The notes use Netflix […]

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Blogging Calendar

October 2015