“…A typical work in this line of research was a bibliometric review of computational linguistics from a general perspective (Radev, 2016). Other works included studies that investigated the landscape of specific research areas such as topic modeling (Li & Lei, 2019), big data (Raban & Gordon, 2020), digital library (Ahmad et al, 2018), machine learning (Elalfy & Mohammed 2020; Santos et al, 2019), Internet of Things (Erfanmanesh & Abrizah, 2018), decision making (Zyoud & Fuchs-Hanusch, 2017a), and environmental studies (Zhang et al, 2020; Zheng et al, 2017; Zyoud & Fuchs-Hanusch, 2017b, 2020; Zyoud & Zyoud, 2021).…”