Updated README

Updated readme

Updating readme and including examples of bash commands to train the …

…ACR module using its different supervised and unsupervised instantiations

IEEE Access paper. Moved ClickedItemsState to other file, to be used …

…by benchmarks GRU4REC and SR-GNN, which were also changed to include other metrics, recent clicks buffer for negative sampling and novelty metrics calculation

Code for reproducibility of the paper "On the Importance of News Cont…

…ent Representation in Hybrid Neural Session-based Recommender Systems"

Code for reproducibility of the experiments presented in the paper: C…

…ontextual Hybrid Session-based News Recommendation with Recurrent Neural Networks

Code for experiments in DLRS'18 paper