social-networking

I have compiled a dataset consisting of thousands of tweets using R. The dataset basically looks like this: Data <- data.frame( X = c(1,2), text = c("Hello @User1 #hashtag1, hello @User2 and @User3, #hashtag2", "Hello @User2 #hashtag3, hello @User1 and @User3, #hashtag4"), screenname = c("author1", "author2") ) Now I want to export this dataset to a Gephi supported graph format (see Supported Graph Formats - Gephi ) Whenever an "author" mentions a @user in the text, there should be a direct link from the author to the user. In the case above, the results should be like this: author1 -> @User2

As I have been doing some social network analysis, I have stumbled upon the problem of fitting a probability distribution on network degree. So, I have a probability distribution P(X >= x) which, from visual inspection, follows a power law with an exponential cutoff rather than a pure power law (a straight line). So, given that the equation for power law distribution with exponential cutoff is: f(x) = x**alpha * exp(beta*x) How might I estimate the parameters alpha and beta using Python? I know scipy.stats.powerlaw package exists and they have a .fit() function but that doesn't seem to do the

I need to find connected components for a huge dataset. (Graph being Undirected) One obvious choice is MapReduce. But i'm a newbie to MapReduce and am quiet short of time to pick it up and to code it myself. I was just wondering if there is any existing API for the same since it is a very common problem in Social Network Analysis? Or atleast if anyone is aware of any reliable(tried and tested) source using which atleast i can get started with the implementation myself? Thanks I blogged about it for myself: http://codingwiththomas.blogspot.de/2011/04/graph-exploration-with-hadoop-mapreduce.html

I've been looking for a way to share information to social networks. I've found 2 possible solutions: Look for installed apps and sent an intent (like android uses in it's gallery) Use the socials network api When looking for quick ways to implements i say use the installed apps for that but if it goes customization and generalization i think the second option is the best. I've a hard time deciding if one outweighs the other or not. So my question is: What is the best approach? One of the ones i suggested or a whole different way? I have worked with the Facebook API and I know that it's a