Results
Figure \ref{692056} shows the top domains found within DASs analyzed; for each domain, WOL Level 1 categories are shown. Figures \ref{762092} through to \ref{144977} show domains found for top WOL Level 2 subject categories taken from within the top five WOL Level 1 categories (the data for other categories is in the data files associated with Table \ref{133180}). Figures \ref{687558}, \ref{629953} and \ref{500750} resolve subdomains from the nih.gov URLs.