Table 1
Heuristic rules for counterexample sample collection and annotation.
| Item | Description |
|---|---|
| Type of Trigger Signal | Explicit task interruption, behavioral stagnation, user emotional fluctuation, etc. |
| Feature Sources | Action history sequences, sensor event logs, and semantic anomalies in speech |
| Action Distribution Change Indicator | KL divergence between the current distribution and the average over the recent sliding window |
| Threshold Update Mechanism | Dynamic adjustment based on sample density with adaptive shrinking |
| Negative Sample Boundary Annotation | Cross-detection using action change rate and state transition confidence |
| Sample Buffering Strategy | Sliding window-based caching; invalid samples removed after structural update trigger |
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