\bibitem{icdm2020ws}
Dijana Kosmajac, Kirstie Smith, Vlado Keselj, and Susan Kirkland.
\newblock Graph-based Topic Extraction using Centroid Distance of Phrase
Embeddings on Healthy Aging Open-ended Survey Questions.
\newblock In {\em Proceedings of 1st IEEE ICDM Workshop on Data Mining
for Healthy Aging, IEEE ICDM 2020\/.}
Sorrento, Italy, 2020.