Hua Guo and David H. Laidlaw.
 <b>Topic-based Exploration and Embedded Visualizations for
  Research Idea Generation</b>.
 <em>IEEE Transactions on Visualization and Computer Graphics</em>, 2018.
 <a href="http://vis.cs.brown.edu/docs/pdf/g/Guo-2018-TEE.pdf.html">(pdf)</a>
  <a href="http://vis.cs.brown.edu/results/bibtex/Guo-2018-TEE.bib">(bibtex:
  Guo-2018-TEE)</a>.