Name: Seminar: Matthias Gallé (NAVER Labs), The best atomic unit to represent text
Start: 2020-01-23T13:00:00+01:00
End: 2020-01-23T14:00:00+01:00
Location: August Krogh Building

Title: What is the best atomic unit to represent text?

Abstract: What is the best atomic unit to represent text? This important decision lies at the heart of the intersection between the continuous representation of modern NLP and the discrete world. To understand the effectiveness of BPE, we test the hypothesis that it lies in the compression capacity of that algorithm. We test this by linking it to the broader family of dictionary-based compression algorithms.
We then study character-based NMT with Transformer models, showing the consequences of using character as atomic symbols on overall translation quality, robustness as well as the need of deeper models.
This is joint work with Rohit Gupta, Laurent Besacier and Marc Dymetman.

Bio: Matthias Gallé (https://europe.naverlabs.com/people_user/Matthias-Galle/) is a Group Lead of the Natural Language Processing group at Naver Labs Europe (https://europe.naverlabs.com/people_user/Matthias-Galle/), which has the mission of teaching computers to understand and generate natural language. His background is in theoretical computer science & algorithmics, with applications to genetic and natural language sequences. In addition to his research interest in statistical and combinatorial methods for analysing text, he like applying them to explore data-sets and see what they tell us about the world.
He joined the centre (at what was at the time Xerox Research) in 2011. His PhD is from the INRIA centre in Rennes, France, and before that, he was at FaMAF, (National University of Córdoba, Argentina). He grew up in Germany and spent some years in Brazil.

Organisational information:
This meetup is part of the University of Copenhagen AI Centre Seminar Series (https://ai.ku.dk/events/). The talk will be from 13:00-13:45, followed by 15 minutes for questions and informal networking after the talk.

Isabelle Augenstein

Natural Language Processing Copenhagen Meetup

Technology

Artificial Intelligence

Big Data

Natural Language Processing

Machine Learning

Data Mining

Machine Intelligence

Data Science

Seminar: Matthias Gallé (NAVER Labs), The best atomic unit to represent text

August Krogh Building

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Natural Language Processing Copenhagen Meetup

Seminar: Matthias Gallé (NAVER Labs), The best atomic unit to represent text

Natural Language Processing Copenhagen Meetup

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