system.graph('papers').create()
:remote config alias g papers.g
:load /your/path/to/pindex-example/scripts/schema.groovy

Open LoadPapers.groovy and LoadCitations.groovy and update the inputfiledir. Then from the dse-graph-loader directory run:

./graphloader /your/path/to/pindex-example/scripts/LoadPapers.groovy -graph papers

./graphloader /your/path/to/pindex-example/scripts/LoadCitations.groovy -graph papers

See here for the original data set and here for the PageRank-Index paper that references it.