Chemformer: a pre-trained transformer for computational chemistry

1 code implementation • Machine Learning: Science and Technology 2022 • Ross Irwin, Spyridon Dimitriadis, Jiazhen He, Esben Jannik Bjerrum

We also improve on existing approaches for a molecular optimisation task and show that Chemformer can optimise on multiple discriminative tasks simultaneously.

Retrosynthesis Single-step retrosynthesis

TopicResponse: A Marriage of Topic Modelling and Rasch Modelling for Automatic Measurement in MOOCs

no code implementations • 29 Jul 2016 • Jiazhen He, Benjamin I. P. Rubinstein, James Bailey, Rui Zhang, Sandra Milligan

This paper explores the suitability of using automatically discovered topics from MOOC discussion forums for modelling students' academic abilities.

MOOCs Meet Measurement Theory: A Topic-Modelling Approach

no code implementations • 25 Nov 2015 • Jiazhen He, Benjamin I. P. Rubinstein, James Bailey, Rui Zhang, Sandra Milligan, Jeffrey Chan

Such models infer latent skill levels by relating them to individuals' observed responses on a series of items such as quiz questions.

Topic Models