Sep 9–12, 2019
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Sijun He

Sijun He
Machine Learning Engineer, Twitter


Sijun He is a machine learning engineer at Twitter Cortex, where he works on content understanding with deep learning and NLP. Previously, he was a data scientist at Autodesk. Sijun holds an MS in statistics from Stanford University.


4:50pm5:30pm Wednesday, September 11, 2019
Location: 230 C
Sijun He (Twitter), Ali Mollahosseini (Twitter)
Average rating: ****.
(4.00, 1 rating)
Twitter is what’s happening in the world right now. To connect users with the best content, Twitter needs to build a deep understanding of its noisy and temporal text content. Sijun He and Ali Mollahosseini explore the named entity recognition (NER) system at Twitter and the challenges Twitter faces to build and scale a large-scale deep learning system to annotate 500 million tweets per day. Read more.
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