Table 2 Data sources and publication for each step of phase 2 of SLR
From: An analytical study of information extraction from unstructured and multidimensional big data
Data sources | Publication count | |||
|---|---|---|---|---|
Searched results | Selected based on title | Selected based on abstract | Selected based on full study + duplicate removal | |
Wiley Online Library | 1012 | 531 | 24 | 3 |
Scopus | 461 | 146 | 31 | 12 |
Springer | 548 | 204 | 47 | 22 |
IEEE Xplore | 203 | 124 | 68 | 36 |
ACM | 633 | 183 | 42 | 10 |
ScienceDirect | 281 | 122 | 36 | 8 |
Total | 3138 | 1310 | 248 | 91 |