Table 3 Kappa values for the task-specific extraction using LLMs.

Entity	Token Size	Recall	Precision	F₁ Score
Origin	<200 tokens	0.927	0.929	0.927
Origin	200–1000 tokens	0.923	0.935	0.928
Origin	1000–3000 tokens	0.919	0.928	0.952^*
Origin	>3000 tokens	0.907	0.935	0.921
Destination	<200 tokens	0.872	0.881	0.876
Destination	200–1000 tokens	0.893	0.919	0.905
Destination	1000–3000 tokens	0.917	0.922	0.919^*
Destination	>3000 tokens	0.894	0.870	0.882
Timestamp-Year	<200 tokens	0.784	0.827	0.804
Timestamp-Year	200–1000 tokens	0.853	0.841	0.846
Timestamp-Year	1000–3000 tokens	0.883	0.912	0.897^*
Timestamp-Year	>3000 tokens	0.859	0.849	0.854
Timestamp-Month	<200 tokens	0.841	0.885	0.862
Timestamp-Month	200–1000 tokens	0.877	0.933	0.904^*
Timestamp-Month	1000–3000 tokens	0.883	0.925	0.903
Timestamp-Month	>3000 tokens	0.862	0.881	0.871

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