Good sources for data science papers

I am going to begin reading data science papers for about an hour a day as part of my training.

Journals tend to publish papers on the edges of data science, and aren't particularly useful for someone like me who is still learning.

What I am looking for are projects that walk through all the stages of cleaning, exploring, normalizing and analzying the data, and apply machine learning methods.

Are there any good sources of such projects/papers?

data data science datascience good science