What changed
Specified the monitor as a structured synchronization mechanism that combines shared data, procedures and condition variables for controlling concurrent processes.
Scientific scope
The record is the exact 1974 Communications of the ACM article. Earlier mutual-exclusion and semaphore work, language-specific monitor implementations and later concurrency abstractions remain separate.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact 1974 Communications of the ACM article. Earlier mutual-exclusion and semaphore work, language-specific monitor implementations and later concurrency abstractions remain separate.
Contributors
- C. A. R. Hoare · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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