Triple

T7028584
Position Surface form Disambiguated ID Type / Status
Subject Shippea Hill railway station E163212 entity
Predicate onLine P1293 FINISHED
Object Thetford–Ely line
The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
E645278 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: Thetford–Ely line | Statement: [Shippea Hill railway station, onLine, Thetford–Ely line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Thetford–Ely line
Context triple: [Shippea Hill railway station, onLine, Thetford–Ely line]
  • A. Ely–Peterborough line
    The Ely–Peterborough line is a key railway route in eastern England linking Ely in Cambridgeshire with the city of Peterborough and forming part of important regional and cross-country services.
  • B. Ely–Ipswich line
    The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
  • C. Ely–Norwich line
    The Ely–Norwich line is a regional railway route in East Anglia, England, connecting the city of Ely with Norwich and serving as an important link across Cambridgeshire, Suffolk, and Norfolk.
  • D. Cambridge–Ely line
    The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
  • E. Haverhill Line
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • 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: Thetford–Ely line
Triple: [Shippea Hill railway station, onLine, Thetford–Ely line]
Generated description
The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Thetford–Ely line
Target entity description: The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
  • A. Ely–Peterborough line
    The Ely–Peterborough line is a key railway route in eastern England linking Ely in Cambridgeshire with the city of Peterborough and forming part of important regional and cross-country services.
  • B. Ely–Ipswich line
    The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
  • C. Ely–Norwich line
    The Ely–Norwich line is a regional railway route in East Anglia, England, connecting the city of Ely with Norwich and serving as an important link across Cambridgeshire, Suffolk, and Norfolk.
  • D. Cambridge–Ely line
    The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
  • E. Haverhill Line
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • 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_69c6885d691c81908cf7d31083113886 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e200ecdc819098ca07473dfb272a completed March 27, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7ad743c2c819081d7b8cda5720ba3 completed March 28, 2026, 10:29 a.m.
NEDg Description generation batch_69c7ae3505608190bdddc3791a902d60 completed March 28, 2026, 10:32 a.m.
NED2 Entity disambiguation (via description) batch_69c7ae9f8f648190adc5cdf08bc01d93 completed March 28, 2026, 10:34 a.m.
Created at: March 27, 2026, 2:35 p.m.