Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Heatmap representations of the matrix of shared descriptor similarity scores between resources (method 2). (A) The scores based on binary weights. (B) The scores based on tf*idf. Heatmaps generated by R function ‘heatmap’ [20]. Note that the heatmap diagonals (self-similarity) are intentionally left white to make them easier to interpret, and that the heatmaps are different scales.
