Many people with severely limited muscle control can only communicate through augmentative and alternative communication (AAC) systems with a small number of buttons. In this paper, we present the design for ColorCode, which is an AAC system with two buttons that uses Bayesian inference to determine what the user wishes to communicate. Our information-theoretic analysis of ColorCode simulations shows that it is efficient in extracting information from the user, even in the presence of errors, achieving nearly optimal error correction. ColorCode is provided as open source software.

ColorCode: A Bayesian Approach to Augmentative and Alternative Communication with Two Buttons

**Organizers:** Emily Prud’hommeaux, Sarah Ebling, Preethi Vaidyanathan 
 **Description:** This workshop will bring together researchers from areas such as natural language processing, speech signal processing,
(special) education, rehabilitation sciences, computer science, HCI, communication, psychology, psycholinguistics, computer vision, and computer graphics with domain experts like clinicians, therapists, caretakers, and interpreters, as well
as users to share their findings, to discuss present and future challenges, and to explore possibilities for collaboration. 
**Please visit our [website](http://www.slpat.org/slpat2022/)**

(SLPAT)        Speech and Language Processing for Assistive Technologies

workshop paper

# Welcome everyone to ACL 2022!

The 60th Annual Meeting of the Association for Computational Linguistics is taking place May 22-27, 2022 as a hybrid event, in Dublin and online. We are happy to welcome all of you to this anniversary edition with an almost 50-50 in-person and virtual participation. 
The main conference program features oral presentations, in-person and virtual posters and demo sessions, a plenary session for our best paper presentations and awards, three amazing keynote events and two new initiatives of invited talks: Spotlight Talks for Young Rising Stars (STIRS) and The Next Big Idea Talks. Posters (including Findings of ACL 2022) and demos are grouped by areas for both the in-person and the virtual sessions. For the virtual component, the talks will be on Zoom and the posters and the demos will be in GatherTown. The Student Research Workshop will have an oral session and a poster session as part of Poster Session 1. The program also features eight Tutorials and 28 Workshops. 

 
We wish you a wonderful conference! 
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ACL 2022

The Association for Computational Linguistics (ACL) is the premier international scientific and professional society for people working on computational problems involving human language, a field often referred to as either computational linguistics or natural language processing (NLP). 

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ColorCode: A Bayesian Approach to Augmentative and Alternative Communication with Two Buttons

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