Triple

T15059003
Position Surface form Disambiguated ID Type / Status
Subject Roby railway station E379572 entity
Predicate railwayLine P848 FINISHED
Object Liverpool City Line
Liverpool City Line is a suburban rail network serving Liverpool and its surrounding areas, providing frequent commuter services across multiple routes in the Merseyside region.
 E1136364 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: Liverpool City Line | Statement: [Roby railway station, railwayLine, Liverpool City Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Liverpool City Line
Context triple: [Roby railway station, railwayLine, Liverpool City Line]
  • A. Northern Line
    The Northern Line is a major commuter rail route in the Merseyrail network serving Liverpool and surrounding areas in North West England.
  • B. Tyne Valley line
    The Tyne Valley line is a railway route in northern England that runs through the Tyne Valley, linking Carlisle with Newcastle and serving towns and communities along the River Tyne.
  • C. Merseyrail
    Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
  • D. Wirral Line
    The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
  • E. Manchester–Bury line
    The Manchester–Bury line was a former railway route in Greater Manchester, England, that connected Manchester with the town of Bury and served several intermediate communities.
  • 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: Liverpool City Line
Triple: [Roby railway station, railwayLine, Liverpool City Line]
Generated description
Liverpool City Line is a suburban rail network serving Liverpool and its surrounding areas, providing frequent commuter services across multiple routes in the Merseyside region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Liverpool City Line
Target entity description: Liverpool City Line is a suburban rail network serving Liverpool and its surrounding areas, providing frequent commuter services across multiple routes in the Merseyside region.
  • A. Northern Line
    The Northern Line is a major commuter rail route in the Merseyrail network serving Liverpool and surrounding areas in North West England.
  • B. Tyne Valley line
    The Tyne Valley line is a railway route in northern England that runs through the Tyne Valley, linking Carlisle with Newcastle and serving towns and communities along the River Tyne.
  • C. Merseyrail
    Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
  • D. Wirral Line
    The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
  • E. Manchester–Bury line
    The Manchester–Bury line was a former railway route in Greater Manchester, England, that connected Manchester with the town of Bury and served several intermediate communities.
  • 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_69d85cd64d108190853797a95c11cc45 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69dedee50afc8190bf7b0f4bbe8c60a3 completed April 15, 2026, 12:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69feae0fd7dc8190a10c8eb7542c3088 completed May 9, 2026, 3:46 a.m.
NEDg Description generation batch_69feafcab944819095317d3058540b8b completed May 9, 2026, 3:53 a.m.
NED2 Entity disambiguation (via description) batch_69feb038065c8190b60266644db64092 completed May 9, 2026, 3:55 a.m.
Created at: April 10, 2026, 3:01 a.m.