Number of identified and selected articles by string of search terms and by database
| Indicators by search string | Databases | |||||
|---|---|---|---|---|---|---|
| Emerald Insight | Science Direct | Scopus | World of Science | |||
| a) Search string (“Internet of Things“) AND (transport) AND (maritime OR sea OR ocean OR ship OR vessel OR cargo OR container) | ||||||
| Total number of published documents identified in each database | 2411 | 787 | 625 | 26 | ||
| out of which: | a.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 1912 | 317 | 377 | 23 | |
| a.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 499 | 470 | 248 | 3 | ||
| out of which: | a.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 498 | 467 | 247 | 3 | |
| a.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 1 | 3 | 1 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 4 | |||||
| b) Search string (“IoT“) AND (transport) AND (maritime OR sea OR ocean OR ship OR vessel OR cargo OR container) | ||||||
| Total number of published documents identified in each database | 103 | 1309 | 399 | 16 | ||
| out of which: | b.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 42 | 933 | 241 | 13 | |
| b.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 61 | 376 | 158 | 3 | ||
| out of which: | b.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 60 | 374 | 157 | 3 | |
| b.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 1 | 2 | 1 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 3* | |||||
| c) Search string (“big data“) AND (transport) AND (maritime OR sea OR ocean OR ship OR vessel OR cargo OR container) | ||||||
| Total number of published documents identified in each database | 238 | 1160 | 823 | 16 | ||
| out of which: | c.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 98 | 512 | 413 | 13 | |
| c.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 140 | 648 | 410 | 3 | ||
| out of which: | c.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 139 | 645 | 408 | 3 | |
| c.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 1 | 3 | 2 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 6 | |||||
| d) Search string (“cloud computing“) AND (transport) AND (maritime OR sea OR ocean OR ship OR vessel OR cargo OR container) | ||||||
| Total number of published documents identified in each database | 159 | 826 | 561 | 15 | ||
| out of which: | d.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 75 | 349 | 329 | 15 | |
| d.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 84 | 477 | 232 | 0 | ||
| out of which: | d.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 84 | 475 | 229 | 0 | |
| d.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 0 | 2 | 3 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 4 | |||||
| e) Search string (“autonomous ship“ OR “autonomous vessel”) AND (transport) AND (maritime OR sea OR ocean OR cargo OR container) | ||||||
| Total number of published documents identified in each database | 228 | 30 | 76 | 2 | ||
| out of which: | e.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 192 | 10 | 45 | 2 | |
| e.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 36 | 20 | 31 | 0 | ||
| out of which: | e.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 36 | 16 | 27 | 0 | |
| e.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 0 | 4 | 4 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 5** | |||||
| f) Search string (“unmanned ship“ OR “unmanned vessel”) AND (transport) AND (maritime OR sea OR ocean OR cargo OR container) | ||||||
| Total number of published documents identified in each database | 54 | 28 | 33 | 1 | ||
| out of which: | f.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 51 | 10 | 17 | 1 | |
| f.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 3 | 18 | 16 | 0 | ||
| out of which: | f.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 3 | 12 | 12 | 0 | |
| f.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 0 | 6 | 4 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 6** | |||||
| Overview | ||||||
| Total number of articles selected from the databases before the addition of articles from “References” | 20 | |||||
| Number of articles added after the search within the “References” section of the articles initially selected | 4*** | |||||
| Total number of articles selected for review | 24 | |||||
| Indicators by search string | Databases | |||||
|---|---|---|---|---|---|---|
| Emerald Insight | Science Direct | Scopus | World of Science | |||
| Total number of published documents identified in each database | 2411 | 787 | 625 | 26 | ||
| out of which: | a.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 1912 | 317 | 377 | 23 | |
| a.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 499 | 470 | 248 | 3 | ||
| out of which: | a.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 498 | 467 | 247 | 3 | |
| a.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 1 | 3 | 1 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 4 | |||||
| Total number of published documents identified in each database | 103 | 1309 | 399 | 16 | ||
| out of which: | b.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 42 | 933 | 241 | 13 | |
| b.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 61 | 376 | 158 | 3 | ||
| out of which: | b.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 60 | 374 | 157 | 3 | |
| b.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 1 | 2 | 1 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 3 | |||||
| Total number of published documents identified in each database | 238 | 1160 | 823 | 16 | ||
| out of which: | c.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 98 | 512 | 413 | 13 | |
| c.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 140 | 648 | 410 | 3 | ||
| out of which: | c.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 139 | 645 | 408 | 3 | |
| c.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 1 | 3 | 2 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 6 | |||||
| Total number of published documents identified in each database | 159 | 826 | 561 | 15 | ||
| out of which: | d.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 75 | 349 | 329 | 15 | |
| d.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 84 | 477 | 232 | 0 | ||
| out of which: | d.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 84 | 475 | 229 | 0 | |
| d.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 0 | 2 | 3 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 4 | |||||
| Total number of published documents identified in each database | 228 | 30 | 76 | 2 | ||
| out of which: | e.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 192 | 10 | 45 | 2 | |
| e.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 36 | 20 | 31 | 0 | ||
| out of which: | e.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 36 | 16 | 27 | 0 | |
| e.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 0 | 4 | 4 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 5 | |||||
| Total number of published documents identified in each database | 54 | 28 | 33 | 1 | ||
| out of which: | f.1. Number of published documents excluded based on the selection criteria: type of published document, period, document format, language of the document | 51 | 10 | 17 | 1 | |
| f.2. Number of published documents included based on the selection criteria: type of published document, period, document format, language of the document | 3 | 18 | 16 | 0 | ||
| out of which: | f.2.1. Number of articles excluded due to the lack of relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 3 | 12 | 12 | 0 | |
| f.2.2. Number of articles included due to their relevance in terms of: research field, future advanced ICTs considered and object of the maritime transport | 0 | 6 | 4 | 0 | ||
| Total number of selected articles after exclusion of duplicates (resulted from this search string) | 6 | |||||
| Total number of articles selected from the databases before the addition of articles from “References” | 20 | |||||
| Number of articles added after the search within the “References” section of the articles initially selected | 4 | |||||
| Total number of articles selected for review | 24 | |||||
Notes:
*The three selected articles that correspond to the search string (b) are duplicates of articles identified with the search string (a) one of the articles approaches several advanced ICTs, including the Internet of Things (IoT) and cloud computing;
**Four of the selected articles that correspond to the search string (e) are duplicates of articles identified with the search string (f); and
***The articles added from “References” focus on autonomous ships/vessels (including unmanned ships/vessels)