“…Identifying related threads can help users find previous posts already asked and answered, reducing the waste of time while waiting for feedback (Ahasanuzzaman et al, 2016) and the fear of submitting duplicates (Ford et al, 2016). It also helps to suggest related posts before creating a new thread (Zhang et al, 2017), assisting users to find posts with similar issues (Ahasanuzzaman et al, 2016;Zhang et al, 2017), helping new users asking better questions (Ford et al, 2018), and reducing the manual responsibility of maintainers to sustain a healthy community (Guizani et al, 2022). Besides, every online community depends on volunteer activity, so it is essential to attract and retain new members to guarantee community sustainability (Cho and Wash, 2021;Guizani et al, 2022).…”