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Book Recommender System

Data Science Seminar Project

Winter Semester 2021/22

Simon Müller

Recommending books using a Recommender System based on goodreads.com data from the UCSD Book Graph1

Steps needed:

  • Data Preparation: Downloading Data, reading into Pandas DataFrames
  • Data Cleaning and Preprocessing: Keeping only needed data, string cleanup, etc.
  • Data Model Creation: creating Word Embeddings from item data like title, description, authors, etc.
  • Recommender System Model Creation: selecting a Neural-Network-based recommender system, e.g. NCF, WDN, DCN, etc.
  • RS Training
  • RS Evaluation

Optional:

  • combining the Book data with another dataset from a different domain, e.g. MovieLens 25M2 to create a multi-media recommender system, suggesting books based on movie preferences and vice versa.
  • this would need more text processing to find similarities between the datasets, e.g. by extracting tags from movies and matching them to book descriptions and goodreads shelf-names

=> this idea has since been scrapped, since it's out of reach in the scale of this student project.

this repo needs some cleanup, main file is the keras_dcn.ipynb Notebook

Footnotes

  1. Mengting Wan, Rishabh Misra, Ndapa Nakashole, Julian McAuley, https://sites.google.com/eng.ucsd.edu/ucsdbookgraph/home.

  2. F. Maxwell Harper and Joseph A. Konstan, https://grouplens.org/datasets/movielens/25m/