Known & Contested

What the corpus establishes (the established base a research program builds on) and where it actively disagrees (the contested frontier the questions target).

Known — established claims

• Crowd-based Requirements Engineering (CrowdRE) centers on Elicitation, Analysis/Validation, Evolution, and Prioritization activities.
• Core utilities in CrowdRE are Crowd, Task, and Mechanism.
• User feedback classification in RE employs SVM, C4.5 Decision Tree, and Naive Bayes algorithms.
• Empirical RE studies in this domain are conducted at IEEE International Requirements Engineering Conferences.
• Threats to validity are routinely acknowledged, and data collection/analysis are standard practices.
• The research paradigm is reported as exploratory.

Controversial — where scientists disagree

• CrowdRE scope definition: limited to Elicitation/Analysis/Validation versus expanded to include Evolution/Prioritization.
• Research paradigm classification: exploratory versus explanatory.
• Integration of multimodal artifacts (video/ReqVidA) with traditional textual requirements minutes.
• Operational boundaries between crowd-sourced data generation and automated ML-based feedback classification.

Contradictions detected