concept recognition with convolutional networks

In relation to the converge of symbolic and sub symbolic representaion
The latest intestersting paper is not publicly accessible
 Waldis A., Mazzola L., Kaufmann M. (2019) Concept Recognition with
Convolutional Neural Networks to Optimize Keyphrase Extraction. In: Quix
C., Bernardino J. (eds) Data Management Technologies and Applications. DATA
2018. Communications in Computer and Information Science, vol 862.
Springer, Cham


but this open paper seems to point in the same direction
https://arxiv.org/abs/1711.08006