Fetch and Transform PubChem Data

This workflow prepares a data set using Local Big Data Environment for Data Chefs Battle: Chemistry vs Biology. It collects results of biological experiments from PubChem database API and cleans them up.
In the top part the results of biological experiments are collected from PubChem database using its API. In the middle part the preprocessing of the data is performed using Local Big Data Environment. In the bottom part the data are backed up