Triple

T9288530
Position Surface form Disambiguated ID Type / Status
Subject National Grid plc E223457 entity
Predicate hasSubsidiary P254 FINISHED
Object National Grid Gas plc
National Grid Gas plc is a UK-based company responsible for owning and operating the high-pressure gas transmission network in Great Britain.
E790447 NE FINISHED

How this triple was built (4 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: National Grid Gas plc | Statement: [National Grid plc, hasSubsidiary, National Grid Gas plc]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: National Grid Gas plc
Context triple: [National Grid plc, hasSubsidiary, National Grid Gas plc]
  • A. British Gas Corporation
    British Gas Corporation was the state-owned national gas utility in the United Kingdom, responsible for the production, distribution, and supply of gas before its privatization and breakup in the 1980s.
  • B. Centrica
    Centrica is a British multinational energy and services company best known as the owner of British Gas and a major supplier of gas and electricity in the UK and Ireland.
  • C. Scottish and Southern Energy plc
    Scottish and Southern Energy plc is a major UK-based energy company involved in the generation, transmission, distribution, and supply of electricity and gas, as well as related energy services.
  • D. EDF Energy
    EDF Energy is a major UK-based energy company that generates and supplies electricity and gas, particularly known for operating nuclear power stations and low-carbon energy assets.
  • E. Gas Council
    The Gas Council was a central public body in the United Kingdom responsible for coordinating and overseeing the nationalised gas industry in the mid-20th century.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: National Grid Gas plc
Triple: [National Grid plc, hasSubsidiary, National Grid Gas plc]
Generated description
National Grid Gas plc is a UK-based company responsible for owning and operating the high-pressure gas transmission network in Great Britain.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: National Grid Gas plc
Target entity description: National Grid Gas plc is a UK-based company responsible for owning and operating the high-pressure gas transmission network in Great Britain.
  • A. British Gas Corporation
    British Gas Corporation was the state-owned national gas utility in the United Kingdom, responsible for the production, distribution, and supply of gas before its privatization and breakup in the 1980s.
  • B. Centrica
    Centrica is a British multinational energy and services company best known as the owner of British Gas and a major supplier of gas and electricity in the UK and Ireland.
  • C. Scottish and Southern Energy plc
    Scottish and Southern Energy plc is a major UK-based energy company involved in the generation, transmission, distribution, and supply of electricity and gas, as well as related energy services.
  • D. EDF Energy
    EDF Energy is a major UK-based energy company that generates and supplies electricity and gas, particularly known for operating nuclear power stations and low-carbon energy assets.
  • E. Gas Council
    The Gas Council was a central public body in the United Kingdom responsible for coordinating and overseeing the nationalised gas industry in the mid-20th century.
  • F. None of above. chosen

Provenance (5 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_69ca8422ddf881908a3f8f876c9f53aa completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd0862b34c819097cb7c1777313925 completed April 1, 2026, 11:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0b22ff5d881909ed5ac15ad8cbbb6 completed April 4, 2026, 6:39 a.m.
NEDg Description generation batch_69d0b441ca5c81908d6d50f271de2a57 completed April 4, 2026, 6:48 a.m.
NED2 Entity disambiguation (via description) batch_69d0b4e909308190a2dc31fc1ec27e09 completed April 4, 2026, 6:51 a.m.
Created at: March 30, 2026, 7:35 p.m.