Figure 1
Temporal publication evolution.
Source: Authors’ own research.
Table 1
Most impactful journals with h-index equal or upper than seven.
| Journal | h_index | g_index* | m_index** | TC | NP | PY_start |
|---|---|---|---|---|---|---|
| IEEE Access | 24 | 45 | 2.667 | 2,178 | 83 | 2016 |
| IEEE Internet of Things Journal | 15 | 27 | 2.143 | 887 | 27 | 2018 |
| Sensors | 15 | 24 | 1.25 | 702 | 51 | 2013 |
| IEEE Communications Surveys & Tutorials | 10 | 10 | 1.25 | 1,736 | 10 | 2017 |
| Future Generation Computer Systems | 9 | 12 | 1.125 | 339 | 12 | 2017 |
| IEEE Sensors Journal | 9 | 17 | 0.9 | 489 | 17 | 2015 |
| Computers & Security | 8 | 11 | 1.143 | 226 | 11 | 2018 |
| IEEE Transactions on Intelligent Transportation Systems | 8 | 15 | 0.444 | 380 | 15 | 2007 |
| Wireless Personal Communications | 7 | 13 | 0.318 | 198 | 17 | 2003 |
*g-index: calculated based on the distribution of citations received by a given researcher’s publications (Egghe, 2006).
**m-index: calculated by dividing h-index value by number of years since the author is active (Srivastava et al., 2021).
Source: Authors’ own research.
Table 2
Most impactful authors with h-index up or equal to four.
| Author | h_index | g_index | m_index | TC | NP | PY_start |
|---|---|---|---|---|---|---|
| Kim-Kwang Raymond Choo | 5 | 5 | 0.833 | 218 | 5 | 2019 |
| Enrico Cambiaso | 4 | 4 | 0.5 | 69 | 4 | 2017 |
| Ivan Vaccari | 4 | 4 | 0.5 | 69 | 4 | 2017 |
Source: Authors’ own research.
Table 3
Most cited papers.
| Paper | Title | Year | Local citations | Global citations |
|---|---|---|---|---|
| Capkun and Hubaux (2006) | Secure positioning in wireless networks | 2006 | 7 | 191 |
| Chaabouni et al. (2019) | Network Intrusion Detection for IoT Security Based on Learning Techniques | 2019 | 7 | 379 |
| Kalnis et al. (2007) | Preventing Location-Based Identity Inference in Anonymous Spatial Queries | 2007 | 6 | 358 |
| Song et al. (2020) | Blockchain-Enabled Internet of Vehicles with Cooperative Positioning: A Deep Neural Network Approach | 2020 | 5 | 51 |
| Li et al. (2021) | Vehicle Position Correction: A Vehicular Blockchain Networks-Based GPS Error Sharing Framework | 2021 | 5 | 62 |
| Kumar et al., (2021) | Blockchain-Federated-Learning and Deep Learning Models for COVID-19 Detection Using CT Imaging | 2021 | 5 | 180 |
Source: Authors’ own research.
Figure 2
References co-citation network.
Source: Authors’ own research.
Figure 3
Thematic map.
Source: Authors’ own research.
Table A1
Document search process.
| Search query | Web of science type | Date | Selected documents |
|---|---|---|---|
| 1# (TI = (“Marketing strategies” OR “Segmentation” OR “Positioning” OR “Targeting”) OR AB = (“Marketing strategies” OR “Segmentation” OR “Positioning” OR “Targeting”) OR AK = (“Marketing strategies” OR “Segmentation” OR “Positioning” OR “Targeting”)) | Core collection | 30-Jun-24 | 995,170 |
| 2# (TI = (“Machine Learning” OR “AI” OR “IoT” OR “Blockchain” OR “Recommender Systems” OR “Mobile Store” OR “Mobile applications” OR “Artificial neural network” OR “Genetic algorithms” OR “GPS” OR “Radio frequency identification” OR “RFID” OR “Sensor networks” OR “Tracking technologies” OR “cookies” OR “clear gifs”) OR AB = (“Machine Learning” OR “AI” OR “IoT” OR “Blockchain” OR “Recommender Systems” OR “Mobile Store” OR “Mobile applications” OR “Artificial neural network” OR “Genetic algorithms” OR “GPS” OR “Radio frequency identification” OR “RFID” OR “Sensor networks” OR “Tracking technologies” OR “cookies” OR “clear gifs”) OR AK = (“Machine Learning” OR “AI” OR “IoT” OR “Blockchain” OR “Recommender Systems” OR “Mobile Store” OR “Mobile applications” OR “Artificial neural network” OR “Genetic algorithms” OR “GPS” OR “Radio frequency identification” OR “RFID” OR “Sensor networks” OR “Tracking technologies” OR “cookies” OR “clear gifs”)) | Core collection | 30-Jun-24 | 933,830 |
| 3# (TI = (“Privacy” OR “Security” OR “Confidentiality” OR “Trust”) OR AB = (“Privacy” OR “Security” OR “Confidentiality” OR “Trust”) OR AK = (“Privacy” OR “Security” OR “Confidentiality” OR “Trust”)) | Core collection | 30-Jun-24 | 786,969 |
| #1 AND #2 AND #3 and Article (Document Types) and English (Languages) | Core collection | 30-Jun-24 | 1,185 |
Source: Authors’ own research.
Table A2
Main indicators.
| Description | Results |
|---|---|
| Main information about data | |
| Time span | 1996–2023 |
| Sources (journals, books, etc.) | 502 |
| Documents | 1057 |
| Annual growth rate % | 21.79 |
| Document average age | 4.61 |
| Average citations per doc | 18.22 |
| References | 42,078 |
| Document contents | |
| Keywords plus (ID) | 1,170 |
| Author’s keywords (DE) | 3,798 |
| Authors | |
| Authors | 3,957 |
| Authors of single-authored docs | 56 |
| Authors’ collaboration | |
| Single-authored docs | 56 |
| Co-authors per doc | 4.17 |
| International co-authorships % | 33.77 |
Source: Authors’ own research.