Adaptive Fusion of Bug Report Titles and Descriptions for Automated Bug Severity Classification in Software Maintenance
Adaptive Title-Description Fusion separately encoded bug-report titles and descriptions and learned their relative contribution. On five-class Mozilla Bugzilla data it achieved Macro-F1 0.771, compared with 0.756 for standard gated fusion and 0.739 for direct concatenation. The result supports adaptive fusion but does not establish cross-project generalisation or real maintenance impact.