WebSumm: Plataforma Web para Configuração, Automação e Rastreabilidade de Sumarização Multivídeo

• Jader Gonçalves USP
• Rudinei Goularte USP

DOI: https://doi.org/10.5753/webmedia_estendido.2026.34735

Resumo

Multi-video summarization selects complementary information from videos about the same topic, yet direct use of summarization engines scatters workflow configuration, execution metadata, and segment-level decisions. We present WebSumm, a web platform for composing reusable workflows and preserving execution provenance from the input collection and workflow version to criterion-level decisions and output artifacts. In 44 executions over 62 videos from 21 topics, WebSumm recovered the applied configuration in every run and persisted all 1,302 evaluations emitted by the engine; raising the redundancy threshold from 0.17 to 0.31 changed 2 of 42 decisions, each traced to its criterion, segment, and workflow version. A complementary protocol traversed all five stages twice for seven topics (21 videos and 202 supplied segments): 14/14 executions and database recoveries completed, and all 648 comparable actions matched. A one-command demonstration with three redistributable clips also produced a persisted Decision Log and a validated MP4. These results support configuration recovery, decision attribution, and operational repeatability in the observed cases, not summary quality or usability; code, media, documentation, and recorded results are available in a public artifact.

Palavras-chave: multi-video summarization, web tool, processing workflow, execution provenance, decision traceability

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