Triple

T9664794
Position Surface form Disambiguated ID Type / Status
Subject Cambrian Coast Line E233675 entity
Predicate usesSignallingSystem P19148 FINISHED
Object European Rail Traffic Management System E222798 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: European Rail Traffic Management System | Statement: [Cambrian Coast Line, usesSignallingSystem, European Rail Traffic Management System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: European Rail Traffic Management System
Context triple: [Cambrian Coast Line, usesSignallingSystem, European Rail Traffic Management System]
  • A. European Train Control System chosen
    The European Train Control System (ETCS) is a standardized, interoperable train signaling and control system used across Europe and in high-speed railways worldwide to enhance safety and efficiency.
  • B. 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.
  • C. AGC European Agreement on Main International Railway Lines
    The AGC European Agreement on Main International Railway Lines is a United Nations treaty that coordinates and standardizes the planning and development of an integrated network of major international railway routes across Europe.
  • D. Trans-European high-speed rail network
    The Trans-European high-speed rail network is an interconnected system of high-speed railway lines across multiple European countries designed to enable fast, cross-border passenger travel.
  • E. ETCS Level 3
    ETCS Level 3 is an advanced, moving-block train control standard that enables continuous train integrity supervision and higher line capacity within the European Train Control System.
  • 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_69ca848d3b6c8190ae98ea554dea58df completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9c0e1ef481909c50a4ba5fd94583 completed April 1, 2026, 10:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18a17eea08190825404b01b0e8d96 completed April 4, 2026, 10 p.m.
Created at: March 30, 2026, 8:14 p.m.