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Going beyond Visualization. Verbalization as Complementary Medium to Explain Machine Learning Models

Sevastjanova, R., Becker, F., Ell, B. , Turkay, C. ORCID: 0000-0001-6788-251X, Henkin, R. ORCID: 0000-0002-5511-5230, Butt, M., Keim, D. & Mennatallah, E-A. (2018). Going beyond Visualization. Verbalization as Complementary Medium to Explain Machine Learning Models. Paper presented at the VIS Workshop on Visualization for AI Explainability (VISxAI), 22 October 2018, Berlin, Germany.


In this position paper, we argue that a combination of visualization and verbalization techniques is beneficial for creating broad and versatile insights into the structure and decision-making processes of machine learning models. Explainability of machine
learning models is emerging as an important area of research. Hence, insights into the inner workings of a trained model allow users and analysts, alike, to understand the models, develop justifications, and gain trust in the systems they inform. Explanations can be generated through different types of media, such as visualization and verbalization. Both are powerful tools that enable model interpretability. However, while their combination is arguably more powerful than each medium separately, they are currently applied and researched independently. To support our position that the combination of the two techniques is beneficial to explain machine learning models, we describe the design space of such a combination and discuss arising research questions, gaps, and opportunities.

Publication Type: Conference or Workshop Item (Paper)
Additional Information: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: School of Science & Technology > Computer Science > giCentre
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