Triple

T10857854
Position Surface form Disambiguated ID Type / Status
Subject Silverlink Metro E256315 entity
Predicate electrificationSystemUsed P5320 FINISHED
Object 750 V DC third rail LITERAL FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: 750 V DC third rail | Statement: [Silverlink Metro, electrificationSystemUsed, 750 V DC third rail]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: electrificationSystemUsed
Context triple: [Silverlink Metro, electrificationSystemUsed, 750 V DC third rail]
  • A. electrificationSystem chosen
    Indicates the type of electrical power system used to supply energy (typically to infrastructure or vehicles) for operation.
  • B. electrificationUsedFor
    Indicates that electrification is employed as a means or method to achieve, enable, or support a particular function, process, or purpose.
  • C. hasElectrificationStatus
    Indicates that an entity possesses a specified type or level of electrification (e.g., electrified, non-electrified, partially electrified).
  • D. electrification
    Indicates the process or state of providing electrical power or converting something to operate using electricity.
  • E. electrificationUsedBetween
    Indicates that an electrification system or method is applied or present along the segment or connection between two entities.
  • F. None of above.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aa83d1448190a66d93c32394d21f completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d751377da88190a7244bb9d6b0c2ec completed April 9, 2026, 7:11 a.m.
PD Predicate disambiguation batch_69d70d308dfc81908792f98cfb871392 completed April 9, 2026, 2:21 a.m.
Created at: April 8, 2026, 9:20 p.m.