Generating an Overview Report over Many Documents
Table 3: Topic-diversity scores
['[EMPTY]', '[ITALIC] λ [BOLD] =0.1', '[ITALIC] λ [BOLD] =0.2', '[ITALIC] λ [BOLD] =0.3']
We can see that, regarding topic diversity, reports generated on 0.2-summaries outperform reports generated on 0.1-summaries and 0.3-summaries for both BBC News and Factiva-Marx.