Getting and Processing Info from Facebook

 Getting and Processing Info from Tweets Essay

Mathematics for facts Technology EA

COVER PIECE

2010 Land Semester

Teacher: CLASTER Bill Class: Math for Information Technology EA

Survey: NodeXL Project

APM first year student 12410179 HOANG Nguyen Phong

Due Date: January 25, 2011 16: 00

HOANG Nguyen Phong 12410179

Page you

Mathematics for Information Technology EXPERT ADVISOR

I.

Having and Finalizing data via Twitter: First of all, by " import tool” in NodeXL plug-in intended for Microsoft Surpass, I searched for people in whose tweets contains the key word " Julian Assange”, and ticked to all of three bins " Follows”, " Replies-to”, and " Mentions relation” with the 95 people restriction so that I can get a stronger-connected graph. However , in some 1st searches, I really could not get an acceptable graph ?nternet site expected because of 2 factors. The first one may be the limitation quantity was small , and I chose the box " I don't have a twitter account” was another reason. As well as the graph was actually weak-connected simply because there were just 4 or 5 ends and about more than 90 solitary points. Therefore i was not capable to apply the " graph metrics” contents to consider these graphs. Then I registered to work with twitter bank account to transfer more than 100 people info. This time We also used the key phrase " Julian Assange” but with the limitation up to three hundred people. Next, I got 300 people whose tweets include " Julian Assange”, plus the graph was stronger-connected. I then calculated all numbers by " Graph Metrics” device, and taken out some items which have absolutely no degree in both of " in-degree” and " out-degree” in order that we are able to examine and deduce details more easily from the graph.

HOANG Nguyen Phong 12410179

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Math for Information Technology EA

II.

Examining the graph: Regarding the Chart, under " Harel-Koren Fast Multiscale” algorithm and in " Layout Options” task, I chose the box " Move the graph's small components in to boxes at the end of the graph” with " Maximum size of the components to move” is 6, I got the listed below graph which has all the significant components look clearly, and the smaller elements, which have below 6 vertices, are relocated to the bottom of the graph.

HOANG Nguyen Phong 12410179

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Math concepts for Information Technology EA

After that, according to the " Betweenness Centrality” numbers which is obtained from " Graph Metrics” tool, We labeled the " important” vertices inside the Graph as below:

And basing on the above labeled graph as well as the results with the examination by simply " Chart metrics” tool in NodeXL, we can deduce many things: The top person or well-known corporation The relevant things the key phrase " Julian Assange” plus some interesting information about their internet pages. Going to his page, I came across that his field of expertise is social networks and their impact on search engine results, yet he is also interested around the media and politics. Page 4

1 . The tweets user with nick brand " bloggerheads” is the most important person in this pair of people, since his " Betweenness Centrality” point can be HOANG Nguyen Phong 12410179

Mathematics for Information Technology EA

430, which is the largest in the graph. And he also offers the largest " In-Degree” is definitely 12.

Therefore , he offers his very own technic methods to obtain much information about sales and marketing communications, media and also politics which lead to the relation while using key word " Julian Assange” who uncovered on press field various diplomatic secrets of the Combined State of yankee last year. This is why many tweets users follow him in oder to up-date the lastest data.

2 . The second important vertex is not just a person; it is an account of the organization that has the " Betweenness Centrality” point is definitely 284 and " In-Degree” is several.

Surfing their very own page, it truly is found that they are disable people in UK, who want to reveal some hidden things which can be hidden by simply government or perhaps an invisible pressure. Their page is for deactivate people through disable people, so it twitter updates a lot regarding " Julian Assange” fantastic...


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