Triple

T1243897
Position Surface form Disambiguated ID Type / Status
Subject Derby railway station E26719 entity
Predicate railwayLine P848 FINISHED
Object Derby–Birmingham line
The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
E149117 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: Derby–Birmingham line | Statement: [Derby railway station, railwayLine, Derby–Birmingham line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Derby–Birmingham line
Context triple: [Derby railway station, railwayLine, Derby–Birmingham line]
  • A. Derby–Crewe line
    The Derby–Crewe line is a key railway route in England linking the East Midlands with the North West, serving both passenger and freight traffic.
  • B. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • C. Huddersfield Line
    The Huddersfield Line is a major railway route in northern England linking Manchester and Leeds via Huddersfield, known for its trans-Pennine services and scenic passage through the Pennines.
  • D. Manchester to Bolton line
    The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
  • E. Manchester–Liverpool line
    The Manchester–Liverpool line is a major railway route in North West England connecting the cities of Manchester and Liverpool and serving key intermediate stations such as Oxford Road.
  • 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: Derby–Birmingham line
Triple: [Derby railway station, railwayLine, Derby–Birmingham line]
Generated description
The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Derby–Birmingham line
Target entity description: The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
  • A. Derby–Crewe line
    The Derby–Crewe line is a key railway route in England linking the East Midlands with the North West, serving both passenger and freight traffic.
  • B. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • C. Huddersfield Line
    The Huddersfield Line is a major railway route in northern England linking Manchester and Leeds via Huddersfield, known for its trans-Pennine services and scenic passage through the Pennines.
  • D. Manchester to Bolton line
    The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
  • E. Manchester–Liverpool line
    The Manchester–Liverpool line is a major railway route in North West England connecting the cities of Manchester and Liverpool and serving key intermediate stations such as Oxford Road.
  • 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_69a4948689d08190b3a4a3f388c02148 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4bf636e208190a4d56806db61916c completed March 1, 2026, 10:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69acb2f8a4208190bfcfeccc886de987 completed March 7, 2026, 11:21 p.m.
NEDg Description generation batch_69acb3b3e1cc819095590887896a67aa completed March 7, 2026, 11:24 p.m.
NED2 Entity disambiguation (via description) batch_69acb42f96f88190909efa3342b88e70 completed March 7, 2026, 11:26 p.m.
Created at: March 1, 2026, 7:47 p.m.