PUBMED  dataset  visualisa1on  George  Gkotsis  

Knowledge  Media  Ins1tute  The  Open  University  

21.5  million  cita1ons  10.8  million  authors  

Visualisa1on  

•  XKCD-style

•  Infographic-­‐style  Ver1cal  scrolling  

Data  analysis  

1.  Co-­‐authorship  network  

2.  Academic  reten1on  and  produc1vity  

3.  Terminology  &  evolu1on  

1.  Co-­‐authorship  network  

•  For  each  year,  a  co-­‐authorship  graph  is  constructed  

•  Visualise  graph  proper1es:  – Nodes  – Edges  – Clustering  coefficient  – Entropy:  

Rowe  &  Strohmaier,  WWW2014  

1.  Co-­‐authorship  network  (cont.)  

2.  Academic  throughput  and  reten1on  

•  Researcher  profile  – 4  aYributes:  

[1]  Year  of  first  publica1on  [2]  Year  of  last  publica1on  [3]  Number  of  publica1ons  [4]  Dura1on  of  research  ac1vity  ([2]-­‐[1])  

1966  -­‐  2001  

2.  Academic  throughput  and  reten1on  (cont.)  

3.  Terminology  &  evolu1on  

w:  1-­‐gram  word-­‐term  M:  5-­‐year  ;tles’  corpus  

3.  Terminology  &  evolu1on  (cont.)  

Development  

•  Pandas  Data  analysis  and  manipula1on  

•  NetworkX  Network  analysis  

•  NLTK  Natural  Language  processing  

•  Matplotlib  Plobng