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Improved Recurrent Neural Networks For Session-based Recommendations

Yong Kiam Tan, Xinxing Xu, Yong Liu . Proceedings of the 1st Workshop on Deep Learning for Recommender Systems 2016 – 658 citations

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Datasets Efficiency Evaluation Image Text Integration Interdisciplinary Approaches Multimodal Semantic Representation Neural Machine Translation Variational Autoencoders Visual Contextualization

Recurrent neural networks (RNNs) were recently proposed for the session-based recommendation task. The models showed promising improvements over traditional recommendation approaches. In this work, we further study RNN-based models for session-based recommendations. We propose the application of two techniques to improve model performance, namely, data augmentation, and a method to account for shifts in the input data distribution. We also empirically study the use of generalised distillation, and a novel alternative model that directly predicts item embeddings. Experiments on the RecSys Challenge 2015 dataset demonstrate relative improvements of 12.8% and 14.8% over previously reported results on the Recall@20 and Mean Reciprocal Rank@20 metrics respectively.

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