Graph-Community Detection for Cross-Document Topic Segment Relationship Identification
Table 7: Results of the clustering algorithms in the 4S corpus. Best results are in bold.
['[BOLD] Clustering Algorithm', '[ITALIC]  [BOLD] A [BOLD] R [BOLD] I', '[ITALIC]  [BOLD] F [BOLD] 1', '[ITALIC]  [BOLD] A [BOLD] c [BOLD] c']
Spectral clustering obtained again the best performance. The heat map analyzes of the 4S corpus similarity graph provided similar conclusions to the AVL corpus. Therefore, many segments are wrongly perceived as similar by the metrics.