As arvix is not reviewed I was thinking a basic check could be to see how many people are referring to a paper. Not a hard filter but something to keep in mind when reading papers from arvix
You can use scholar.google.com: https://scholar.google.com/scholar?hl=en&q=Densely+Connected+Convolutional+Networks&btnG=&as_sdt=1%2C5&as_sdtp=
Also look at www.arxiv-sanity.com for helpful info