Table 1 Inclusion and exclusion criteria for retrieving the dataset
Code | Criteria | Comment | |
|---|---|---|---|
Inclusion criteria (IC) | IC 1 | Articles containing one of the keywords in either title, abstract, or keywords. | This study conducted a search with five keywords concatenated with OR operator (see string combination above) |
IC 2 | Documents written in the English language | Only articles written in the English language were considered in this study. | |
IC 3 | All date of publication | We did not specify date range since it is of interest to discover the trend of the field and when discussion among scholars began. | |
IC 4 | Articles in journals, conferences, and book chapters | The search is focused on documents published in journals, conferences, book chapters only | |
Exclusion criteria (EC) | EC 1 | Articles with publication stage “in press.” | Only final articles that have been successfully published were considered in this study. |
EC 2 | Articles whose source is a trade journal | This study considered articles from trade journals irrelevant since they do not go through the peer-review process. Trade journals are articles written majorly to educate, inform, or promote certain trade or industry. They are either published online or in newspapers and magazines. |