Triple

T7040379
Position Surface form Disambiguated ID Type / Status
Subject Lea Valley lines E163493 entity
Predicate hasJunction P1018 FINISHED
Object Coppermill Junction
Coppermill Junction is a key railway junction in northeast London where multiple routes on the Lea Valley lines converge and diverge.
E636416 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: Coppermill Junction | Statement: [Lea Valley lines, hasJunction, Coppermill Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Coppermill Junction
Context triple: [Lea Valley lines, hasJunction, Coppermill Junction]
  • A. Georgemas Junction
    Georgemas Junction is a rural railway station in Caithness, Scotland, acting as a key interchange point on the Far North Line for services to Thurso and Wick.
  • B. Langwith Junction
    Langwith Junction is a residential area forming part of the former mining community around Shirebrook in Derbyshire, England.
  • C. Dovey Junction
    Dovey Junction is a remote railway station in Wales that serves as a key interchange point where the Cambrian Line branches toward Aberystwyth and Pwllheli.
  • D. Harecastle Junction
    Harecastle Junction is a railway junction near Kidsgrove in Staffordshire, England, where multiple lines on the North Staffordshire rail network converge.
  • E. Autherley Junction
    Autherley Junction is a canal junction near Wolverhampton in England where the Shropshire Union Canal connects with the Staffordshire and Worcestershire Canal.
  • 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: Coppermill Junction
Triple: [Lea Valley lines, hasJunction, Coppermill Junction]
Generated description
Coppermill Junction is a key railway junction in northeast London where multiple routes on the Lea Valley lines converge and diverge.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Coppermill Junction
Target entity description: Coppermill Junction is a key railway junction in northeast London where multiple routes on the Lea Valley lines converge and diverge.
  • A. Georgemas Junction
    Georgemas Junction is a rural railway station in Caithness, Scotland, acting as a key interchange point on the Far North Line for services to Thurso and Wick.
  • B. Langwith Junction
    Langwith Junction is a residential area forming part of the former mining community around Shirebrook in Derbyshire, England.
  • C. Dovey Junction
    Dovey Junction is a remote railway station in Wales that serves as a key interchange point where the Cambrian Line branches toward Aberystwyth and Pwllheli.
  • D. Harecastle Junction
    Harecastle Junction is a railway junction near Kidsgrove in Staffordshire, England, where multiple lines on the North Staffordshire rail network converge.
  • E. Autherley Junction
    Autherley Junction is a canal junction near Wolverhampton in England where the Shropshire Union Canal connects with the Staffordshire and Worcestershire Canal.
  • 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_69c6885e7c1c8190be32a8f79ab4e0cf completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e22544708190b0dffb5256d4cda6 completed March 27, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c775afabbc8190a6ff263b1a996c9c completed March 28, 2026, 6:31 a.m.
NEDg Description generation batch_69c7779c8bcc819089d79399f0c9eb31 completed March 28, 2026, 6:39 a.m.
NED2 Entity disambiguation (via description) batch_69c7789d07c08190b6b6479ffbbc9f3e completed March 28, 2026, 6:43 a.m.
Created at: March 27, 2026, 2:36 p.m.