Table 1.
Overview on LDA process.
Table 2.
Results of analysis.
Fig 1.
Trend analysis of mean probability of occurrence of environmental, social, and economic topics in the years 1999 until 2014.
Table 3.
Topics related to environmental sustainability.
Table 4.
Social sustainability topics concerned with employees including most probable occurring terms ordered by their probability.
Fig 2.
Trend analysis of mean probability of occurrence of topic no. 20 and no. 69 in the years 2000 until 2014.
Table 5.
Economic sustainability topics related to financial data including most probable occurring terms ordered by their probability.
Fig 3.
Trend analysis of mean probability of occurrence of financial data topics in the years 2000 until 2014.
Table 6.
Summary of observations and recommendations.
Table 7.
Overview on all 70 topics including the twenty most occurring ordered by their probability of occurrence.