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Sponsored by
APIMart
keras-io / Node2Vec_MovieLens
Model's Last Updated: July 05 2024
Introduction of Node2Vec_MovieLens
Model Details of Node2Vec_MovieLens
Model description
This model demonstrates the Node2Vec technique on the small version of the Movielens dataset to learn movie embeddings.
Node2Vec Technique
Node2Vec is a simple, yet scalable and effective technique for learning low-dimensional embeddings for nodes in a graph by optimising a neighbourhood-preserving objective. The aim is to learn similar embeddings for neighbouring nodes, with respect to the graph structure. Given your data items structured as a graph (where the items are represented as nodes and the relationship between items are represented as edges), node2vec works as follows:
- Generate item sequences using (biased) random walk.
- Create positive and negative training examples from these sequences.
- Train a word2vec model (skip-gram) to learn embeddings for the items.
This model is an example of applying Node2Vec technique on the small version of the Movielens dataset to learn movie embeddings. Such a dataset can be represented as a graph by treating the movies as nodes, and creating edges between movies that have similar ratings by the users. The learnt movie embeddings can be used for tasks such as movie recommendation, or movie genres prediction.
For more information on Node2Vec, please refer to its host page
Skip-Gram Model
Our skip-gram is a simple binary classification model that works as follows:
- An embedding is looked up for the target movie.
- An embedding is looked up for the context movie.
- The dot product is computed between these two embeddings.
- The result (after a sigmoid activation) is compared to the label.
- A binary crossentropy loss is used.
Model Plot
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Credits
Author:
Khalid Salama
.
Based on the following Keras example
Graph representation learning with node2vec
by Khalid Salama
Check out the demo space
here
Runs of keras-io Node2Vec_MovieLens on huggingface.co
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More Information About Node2Vec_MovieLens huggingface.co Model
Url of Node2Vec_MovieLens
Node2Vec_MovieLens huggingface.co Url
Provider of Node2Vec_MovieLens huggingface.co
Other API from keras-io
Updated:July 05 2024
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