Triple

T12194986
Position Surface form Disambiguated ID Type / Status
Subject Brookwood railway station E290563 entity
Predicate usesRailwaySignallingSystem P40340 FINISHED
Object British standard colour light signalling E942731 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: British standard colour light signalling | Statement: [Brookwood railway station, usesRailwaySignallingSystem, British standard colour light signalling]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British standard colour light signalling
Context triple: [Brookwood railway station, usesRailwaySignallingSystem, British standard colour light signalling]
  • A. British standard signalling chosen
    British standard signalling is a conventional railway signalling system used across the UK rail network to control train movements safely and efficiently.
  • B. New South Wales railway signalling system
    The New South Wales railway signalling system is the standardized network of signals, control equipment, and operating rules that governs the safe and efficient movement of trains across the New South Wales rail network.
  • C. British coastal time signal network
    The British coastal time signal network was a 19th- and early 20th-century system of visual and audible signals at ports around the UK that allowed ships to accurately set their marine chronometers for safe and precise navigation.
  • D. UN Regulation No. 48 on installation of lighting and light-signalling devices
    UN Regulation No. 48 is an international technical standard that specifies how vehicle lighting and light-signalling devices must be installed to ensure safety, visibility, and regulatory harmonization across participating countries.
  • E. UK Flag Protocol
    UK Flag Protocol is the official set of rules and guidelines governing how, when, and where flags in the United Kingdom should be flown and displayed.
  • 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_69d6ab64de5881908d56eb7a75c6cc69 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d91c55a5a881909c0eea2d83c00f49 completed April 10, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60a8f31508190972d282b5a8816df completed May 2, 2026, 2:30 p.m.
Created at: April 8, 2026, 9:50 p.m.