1 Table of Contents: “... mining in social media and communication -- Ergonomics and models in work and training support....”

2 Table of Contents: “... Environments -- Universal Access to On-Line Communities, eServices and Work -- Language, Text, Voice, Sound...”

3 Table of Contents: “... and social media -- information search and retrieval -- work, collaboration and creativity -- text...”

4 “... 88 countries submitted contributions, and 1276 papers and 275 posters were included...”

5 “... submitted contributions, and 1276 papers and 241 posters were included in the volumes of the proceedings...”

6 “... 88 countries submitted contributions, and 1276 papers and 275 posters were included...”

7 “... submitted contributions, and 1276 papers and 241 posters were included in the volumes of the proceedings...”

8 “... were accepted for publication after a careful reviewing process. The 177 papers presented in these two...”

9 “... submitted contributions, and 1276 papers and 241 posters were included in the volumes of the proceedings...”

10 “... submitted contributions, and 1276 papers and 241 posters were included in the volumes of the proceedings...”

11 Table of Contents: “... Music Installation—Taking the Work of Rainbow Cliff and Dusk as an Example -- Digital Human Modelling...”

12 “...The Information Society is bringing about radical changes in the way people work and interact...”

13 “... was held in Orlando, Florida, USA, in July 2019, introduced the additional option of "late-breaking work...”

14 “.... The 72 revised papers included in the fourth volume were carefully reviewed and selected from numerous...”

15 “... in the volumes of the proceedings published after the conference as “Late Breaking Work” (papers and posters...”

16 “... in the volumes of the proceedings published after the conference as “Late Breaking Work” (papers and posters...”

17 “... submitted contributions, and 1276 papers and 275 posters were included in the proceedings that were...”

18 Table of Contents: “... Working Conditions -- Effects of Teleworking on the Body Mass Index of the Teachers of an Educational...”