Shan Gao

Prediction models for diagnosis and prognosis of covid-19: systematic review and critical appraisal

2020 · BMJ

OBJECTIVE: To review and appraise the validity and usefulness of published and preprint reports of prediction models for diagnosing coronavirus disease 2019 (covid-19) in patients with suspected infection, for prognosis of patients with covid-19, and …

Factorization of ZDDs for Representing Bayesian Networks Based on d-Separations

2015 · Lecture notes in computer science

Multi-Linear Functions (MLFs) is a well known way of probability calculation based on Bayesian Networks (BNs). For a given BN, we can calculate the probability in a linear time to the size of MLF. However, …

Pairwise Preference Over Mixed-Type Item-Sets Based Bayesian Personalized Ranking for Collaborative Filtering

2017

Nowadays, providing high quality recommendation services to users is an essential component in online Web applications, including shopping, making friends, healthcare, etc. In some recent works, the recommendation problem of one-class collaborative filtering has been …