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 representation of the matrix of lexically smoothed descriptor similarity scores between resources (method 3). (A) The scores based on binary weights. (B) The scores based on tf*idf. Heatmaps generated by R function ‘heatmap’ [20]. Note that the heatmaps are represented using different scales.
