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lfywork's Projects

dssl icon dssl

User activities in real systems are usually time-sensitive. But most of the existing sequential models in recommender systems neglect the time-related signals. In this paper, we find that users' temporal behaviours tend to be driven by their regularly-changing states, which provides a new perspective on learning users' dynamic preference. However, since the individual state is usually latent, the event space is high dimensional, and meanwhile temporal dependency of states is personalized and complex, it is challenging to represent, model and learn the time-evolving patterns of user's state. Focusing on these challenges, we propose a Deep Structured State Learning (DSSL) framework which is able to learn the representation of temporal states and the complex state dependency for time-sensitive recommendation. Extensive experiments demonstrate that DSSL achieves competitive results on four real-world recommendation datasets. Furthermore, experiments also show some interesting rules for designing the state dependency network.

edward icon edward

A probabilistic programming language in TensorFlow. Deep generative models, variational inference.

familia icon familia

A Toolkit for Industrial Topic Modeling

gluon-ts icon gluon-ts

Probabilistic time series modeling in Python

graphembedding icon graphembedding

Implementation and experiments of graph embedding algorithms.deep walk,LINE(Large-scale Information Network Embedding),node2vec,SDNE(Structural Deep Network Embedding),struc2vec

ishop icon ishop

My private homework about mobile web.

issm icon issm

Innovation State Space Models

jodie icon jodie

A PyTorch implementation of ACM SIGKDD 2019 paper "Predicting Dynamic Embedding Trajectory in Temporal Interaction Networks"

pytorch icon pytorch

Tensors and Dynamic neural networks in Python with strong GPU acceleration

pytorch-ts icon pytorch-ts

PyTorch based Probabilistic Time Series forecasting framework based on GluonTS backend

smore icon smore

SMORe: Modularize Graph Embedding for Recommendation

ssmdm icon ssmdm

Recurrent state-space models for decision making

svae icon svae

code for Structured Variational Autoencoders

vae icon vae

a simple vae and cvae from keras

wmf icon wmf

Weighted matrix factorization in Python

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