sp = load('matlabAbstracts.txt');
data = spconvert(sp);
data = full(data(1:500,:));
ldists = pdist(data, 'euclidean');
jdists = pdist(data, 'jaccard');

hist(ldists, 100);
figure;
hist(jdists, 100);
figure;
hist(sum(data,2),50);
