Triple

T11384661
Position Surface form Disambiguated ID Type / Status
Subject Kodama (Sanyo Shinkansen) E269684 entity
Predicate safetySystem P840 FINISHED
Object ATC (Automatic Train Control) E27668 NE 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: ATC (Automatic Train Control) | Statement: [Kodama (Sanyo Shinkansen), safetySystem, ATC (Automatic Train Control)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: ATC (Automatic Train Control)
Context triple: [Kodama (Sanyo Shinkansen), safetySystem, ATC (Automatic Train Control)]
  • A. Automatic Train Operation (ATO)
    Automatic Train Operation (ATO) is a railway control system that automates key driving functions such as acceleration, speed regulation, and braking to improve safety, efficiency, and consistency of train operations.
  • B. Automatic Train Control chosen
    Automatic Train Control is a railway safety and control system that automates train operations such as speed regulation and braking to prevent collisions and ensure safe, efficient train movement.
  • C. Positive Train Control
    Positive Train Control is an advanced, federally mandated train safety technology designed to automatically prevent collisions, overspeed derailments, and other dangerous train movements.
  • D. Siemens Trainguard MT
    Siemens Trainguard MT is a communications-based train control (CBTC) signaling system developed by Siemens for fully automated and driverless metro and urban rail operations.
  • E. Automatic Train Supervision
    Automatic Train Supervision is a rail signaling subsystem that monitors, regulates, and optimizes train operations in real time, including scheduling, routing, and service regulation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d6aacdbc6c8190af6dc3d5f5d22836 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7fc34f1f0819082dd977313ee6070 completed April 9, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58c1d4b188190b83cfad0cc95483e completed April 20, 2026, 2:14 a.m.
Created at: April 8, 2026, 9:34 p.m.