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Tools for Analyzing Popularity and Semantic Diversity of a Playlist Dataset

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20 Years of Playlists: a Statistical Analysis on Popularity and Diversity

The proposed methodology can be applied to characterize playlists in terms of popularity and semantic diversity, allowing the comparative analysis of human-generated and algorithm-generated playlists in different contexts such as historical periods, platforms and musical genres. We find extremely valuable to compare different playlist datasets, as it allows to understand how changes in the listening experience are affecting playlist creation strategies.

This repository contains code to reproduce the results of our paper.

Reference:

Lorenzo Porcaro, Emilia Gómez (2019). 20 Years of Playlists: A Statistical Analysis on Popularity and Diversity. 20th Conference of the International Society for Music Information Retrieval (ISMIR 2019), Delft, The Netherlands, 4-8 November.

Contact:

lorenzo.porcaro at gmail.com

Clone repos:

git clone https://github.com/LPorcaro/playlist.git
cd playlist/src/
git clone https://github.com/oliviaguest/gini

Installation:

Create a virtual environment (tested on Python 3.5), then launch the following command for installing the dependencies (be sure to be in the src folder):

pip install -r requirements.txt

Download dataset (optional):

It lasts between 5 and 10 minutes, and it is needed around 2GB of free disk

mkdir ../data
 ./download_datasets.sh

Add new dataset (optional):

Check data/README.md

Tags data:

For Last.fm tags and tags embeddings write to

lorenzo.porcaro at gmail.com

Analyze Dataset:

For instance, to analyze AOTM dataset launch the following commands:

Playlist Popularity Analysis:
python playlist_popularity.py -d AOTM
Playlist Diversity Analysis:
python playlist_diversity.py -d AOTM
Playlist Qualitative Analysis:
python playlist_qualia.py -d AOTM 
Plot tag-embeddings using t-SNE algorithm:
python plot_embeddings_tsne.py -d AOTM

In the case of CORN dataset, playlist_diversity.py lasts ~20 min, due to longness of average playlist.

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