瑞典查尔姆斯理工大学2022年招聘博士后（神经符号推理与强化学习）

Postdoc In Neuro-Symbolic Reasoning And Reinforcement Learning

Chalmers University Of Technology

Description

In this project we study a new approach to synthesis of efficient communication schemes in multi-agent systems, trained via reinforcement learning. We combine symbolic methods with machine learning, in what is referred to as a neuro-symbolic system, where a neural network learns to produce programs in a symbolic language to solve a task at hand. We believe this combination of neural and symbolic methods will be an important next step in the development of AI beyond todays capabilities.

This is a collaborative project with Dr. Vikas Garg at Aaalto University in Finland.

Information about the project This project touches on several fields, not only AI and computer science but also linguistics and cognitive science. We place our research in a multi- agent context as we consider language learning a collaborative task rather the something that happens entirely in isolation, and take inspiration from studies on human communication in collaborative settings. Agents will not be restricted to use only primitives provided as input, but interactions will be interleaved with (symbolic) steps to extend and revise their current language with novel higher-level concepts, allowing for generalisation and more informative messages.

As a reference, to get an idea of the project, the applicant might want to read this recent paper, which reports on a pilot study for what we will now develop further: Towards Learning Abstractions via Reinforcement Learning. E. Jergéus, L. KarlssonOinonen, E. Carlsson and M. Johansson. 8th Int. Workshop on Artificial Intelligence and Cognitive Science (2022).

The post-doc will join Moa Johansson's vibrant cross-diciplinary research group, including computer scientists, data scientists and a political scientist. We span both machine learning and symbolic AI, and currently study, for example, the language of political parties in Sweden using techniques from NLP, as well as automated reasoning and automated discovery of mathematical conjectures. In addition, we interact and collaborate with many other researchers at Chalmers in both AI, Data Science as well as formal methods, reasoning and programming languages. Chalmers is one of the leading technical universities in Sweden, and its Computer Science department is one of the best and largest in the country.

The project is funded by WASP, which aims to strengthen AI research in Sweden, which also provides many opportunities for networking with other WASP-funded researchers at other universities.

Major responsibilities We are looking for a Post-doc with an interest in AI (machine learning and/or symbolic methods) to work as a researcher on this project, which will include implementation work. The Chalmers post-doc will work in collaboration with a post-doc or PhD student employed at Aalto University under supervision of Vikas Garg. The initial focus of the Chalmers post-doc will be neuro- symbolic methods, and the development of a working prototype for multi-agent reinforcement learning driving the introduction of new concepts in the communication. The Aalto candidate will focus more on e.g. multi-agent credit assignment. However, we encourage and welcome the post-doc to also develop their own ideas of directions suitable for this project to develop also as an independent researcher.

The position is funded for two years of full time research work. However, the post-doc may also do some teaching, most likely in the areas of Data Science and AI. This will provide an opportunity to gain valuable teaching experience for a future academic career, and employment may be extended with the corresponding time.

Qualifications To qualify for the position of postdoc, you must hold a doctoral degree awarded no more than three years prior to the application deadline (according to the current agreement with the Swedish Agency for Government Employers). The candidate should have a PhD degree in e.g. Computer Science, AI, computational linguistics, computational cognitive science, mathematics or other relevant fields.

The position requires sound verbal and written communication skills in English. Swedish is not a requirement but Chalmers offers Swedish courses.

Contract terms This postdoc position is a full-time temporary employment for two years. We offer Chalmers offers a cultivating and inspiring working environment in the coastal city of Gothenburg. Read more about working at Chalmers and our benefits for employees.

Chalmers aims to actively improve our gender balance. We work broadly with equality projects, for example the GENIE Initiative on gender equality for excellence. Equality and diversity are substantial foundations in all activities at Chalmers.

Application procedure The application should be marked with Ref 20220469 and written in English. The application should be sent electronically and be attached as PDF-files, as below. Maximum size for each file is 40 MB. Please note that the system does not support Zip files.

CV: (Please name the document as: CV, Surname, Ref. number) including: • CV, include complete list of publications • Previous teaching and pedagogical experiences • Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number) 1-3 pages where you: • Introduce yourself • Describe your previous research fields and main research results • Describe your future goals and future research focus

Other documents: • Attested copies of completed education, grades and other certificates.

Use the button at the foot of the page to reach the application form.

Application deadline: 31st October 2022, or until a suitable candidate has been found.

For questions, please contact: Associate Professor Moa Johansson, e-mail: moa.johansson@chalmers.se

Chalmers declines to consider all offers of further announcement publishing or other types of support for the recruiting process in connection with this position.

Information about the department The Department of Computer Science and Engineering is a joint department at Chalmers University of Technology and the University of Gothenburg, with activities on two campuses in the city of Gothenburg. The department has around 270 employees from over 30 countries. Our research has a wide span, from theoretical foundations to applied systems development. We provide high quality education at Bachelor's, Master's and graduate levels, offering over 120 courses each year. We also have extensive national and international collaborations with academia, industry and society.

Our aim is to actively improve our gender balance in both our department and division. We therefore strongly encourage female applicants for our positions. As an employee at Chalmers and the Department of Computer Science and Engineering, you are given the opportunity to contribute to our active work within the field of equality and diversity.

Chalmers University of Technology conducts research and education in engineering sciences, architecture, technology-related mathematical sciences, natural and nautical sciences, working in close collaboration with industry and society. The strategy for scientific excellence focuses on our six Areas of Advance; Energy, Health Engineering, Information and Communication Technology, Materials Science, Production and Transport. The aim is to make an active contribution to a sustainable future using the basic sciences as a foundation and innovation and entrepreneurship as the central driving forces. Chalmers has around 11,000 students and 3,000 employees. New knowledge and improved technology have characterised Chalmers since its foundation in 1829, completely in accordance with the will of William Chalmers and his motto: Avancez!

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