Pengwei Wang

Can Machines Intelligently Propose Novel and Reasonable Scientific Hypotheses?

2017

Machine intelligence is attracting increasing attention from both industry and academia. However, the problem of how to make machines innovate novel hypothesis is underexplored. Automatic hypothesis generation can effectively shorten research process. In this work, …

A Model Based on Convolutional Neural Network for Online Transaction Fraud Detection

2018 · Security and Communication Networks

Using wireless mobile terminals has become the mainstream of Internet transactions, which can verify the identity of users by passwords, fingerprints, sounds, and images. However, once these identity data are stolen, traditional information security methods …

Modeling Long- and Short-Term User Behaviors for Sequential Recommendation with Deep Neural Networks

2021

In e-commerce platforms, a user's next behavior will be affected by his long-term constant interests and short-term temporal needs. Such information is usually hidden in the users' historical online behavior data, so how to capture …