  This supplementary paper aims to introduce the Multidimensional Service
Quality Scoring System (MSQs), a review-based method for quantifying host
service quality mentioned and employed in the paper Exit and transition:
Exploring the survival status of Airbnb listings in a time of
professionalization. MSQs is not an end-to-end implementation and is
essentially composed of three pipelines, namely Data Collection and
Preprocessing, Objects Recognition and Grouping, and Aspect-based Service
Scoring. Using the study mentioned above as a case, the technical details of
MSQs are explained in this article.
