Abstract:Background. Inactivity thresholds classify scientific open-source software (OSS) as abandoned but cannot distinguish permanent abandonment from temporary dormancy; moving the cutoff from 1 to 36 months changes the abandoned count in the SciCat corpus from 18,030 to 8,010. Aims. We characterize dormancy causes, revival mechanisms, recovery durability, and lifecycle archetypes in dormant-revived scientific OSS. Method. From 18,247 SciCat repositories we identify 2,984 dormant-revived candidates and field-code a stratified sample of 750 projects with 75 analyst-coders under a two-phase adjudication protocol (post-adjudication kappa 0.779-0.857). A rule-based classifier produces five dimensions: dormancy cause (T1), revival mechanism (T2), nature of revival work (T3), revival sustainability (T4), and lifecycle archetype (T5). Results. Dormancy cause is unresolvable from repository evidence for 52.5% of projects; among resolvable cases, feature/milestone freeze outnumbers research-output completion 5.4:1. Non-sustained recovery outnumbers sustained 2.14:1; 11.5% of apparent revivals are bot-only or single-spike artifacts. Lifecycle archetype is more strongly associated with sustainability than revival mechanism or work type (medium effect on the structurally-independent subset). Conclusions. A fixed inactivity threshold is insufficient to reliably classify scientific OSS abandonment. Gap duration, lifecycle archetype, and contributor continuity together provide more discriminating information than any single threshold.
From: Audris Mockus [view email]
[v1]
Thu, 18 Jun 2026 22:06:07 UTC (2,024 KB)
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