Triple

T32575897
Position Surface form Disambiguated ID Type / Status
Subject Omiya–Morioka E832643 entity
Predicate electrification P392 FINISHED
Object AC 25 kV 50 Hz overhead catenary LITERAL FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's LITERAL type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: AC 25 kV 50 Hz overhead catenary | Statement: [Omiya–Morioka, electrification, AC 25 kV 50 Hz overhead catenary]

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69f349289adc81909f4374a58ec35a39 elicitation completed
NER batch_69f6c63e3ac081908cd2ee069e971cea ner completed
Created at: May 1, 2026, 1:04 a.m.