Statistics of the NeLO snapshots over time are available as:

Specifically, we provide the following statistics for each vocabulary in each year from 2001 and 2018 in three different formats (RDF/XML, JSON-LD, and CSV):

  • in-degree;
  • out-degree;
  • degree;
  • eccentricity;
  • closeness centrality;
  • harmonic closeness centrality;
  • betweenness centrality;
  • Authority;
  • Hub;
  • PageRank.

The publication in the reference contains also further information on the analyzed vocabularies and on the methodology.

These statistics are provided for non-commercial use only. If you find this dataset useful in your work, please cite the publication in the reference.

Reference and Cite:

If you use any of the material in this website (publication, statistics, or NeLO evolution graphs) in your own work, please cite the following paper:

Abdel-Qader, Mohammad; Vagliano, Iacopo; Scherp, Ansgar (2019): Analyzing the Evolution of Linked Vocabularies. ICWE2019: International Conference on Web Engineering, 11-14 June, 2019, Daejeon, Korea. Zenodo Publisher

  title={Analyzing the Evolution of Linked Vocabularies},
  author={Abdel-Qader, Mohammad and Vagliano, Iacopo and Scherp, Ansgar},
  booktitle={Proceedings of the International Conference on Web Engineering},
  location = {Daejeon, Korea},