@ARTICLE {ATAGONG:2025, title = {A review on knowledge and information extraction from PDF documents and storage approaches}, author = {Atagong, S. D. and Tonnang, H. E. Z. and Senagi, K. and Wamalwa, M. and Agboka, K. M. and Odindi, J. *}, journal = {Frontiers in Artificial Intelligence}, year = {2025}, volume = {8}, number = {-: 1466092}, pages = {1--12}, issn = {2624-8212}, note = {EAHub; Foresight, Impact assessment and Scaling (ST); Published 05 September 2025}, url = {https://doi.org/10.3389/frai.2025.1466092}, doi = {10.3389/frai.2025.1466092}, }