The Scopus database has excellent affiliation searching, so departments can easily locate publications by their faculty members. Among other things, the librarians use this to see where our authors are publishing.
Wordle is a free website where you can create your own tag clouds — images in which words appear larger or smaller depending on their frequency. You can paste in text from a document and may get a graphical depiction of the main concepts.
Here’s a fun application: we plugged into Wordle the titles of articles from Thomas Jefferson University’s Department of Radiology published in 2007 or 2008, identified using Scopus’ affiliation search.
And here’s what we got:

Here’s a RefShare bibliography of the included titles. Try it yourself with the text of an article or titles of publications by a particular author.