ChunQiuTR: Time-Keyed Temporal Retrieval in Classical Chinese Annals (2026.findings-acl)
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| Challenge: | Historical research often focuses on finding exact record for a specific regnal month . classical Chinese sources are a canonical example of evidence-centric retrieval . |
| Approach: | They propose a time-keyed retrieval benchmark that organizes records by month-level reign keys . they propose 'CTD', a dual-encoder that combines absolute context with offset biasing . |
| Outcome: | The proposed benchmark organizes records by month-level reign keys and includes chrono-near confounders that mimic real retrieval failures. |
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