Triple

T1434908
Position Surface form Disambiguated ID Type / Status
Subject Cambridge South railway station E30538 entity
Predicate railwayLine P848 FINISHED
Object Cambridge line
The Cambridge line is a key railway route in eastern England that connects London with the city of Cambridge and its surrounding area.
E164989 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: Cambridge line | Statement: [Cambridge South railway station, railwayLine, Cambridge line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cambridge line
Context triple: [Cambridge South railway station, railwayLine, Cambridge line]
  • A. Hope Valley Line
    The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
  • B. 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.
  • C. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • D. Severn Beach Line
    The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
  • E. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • 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: Cambridge line
Triple: [Cambridge South railway station, railwayLine, Cambridge line]
Generated description
The Cambridge line is a key railway route in eastern England that connects London with the city of Cambridge and its surrounding area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cambridge line
Target entity description: The Cambridge line is a key railway route in eastern England that connects London with the city of Cambridge and its surrounding area.
  • A. Hope Valley Line
    The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
  • B. 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.
  • C. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • D. Severn Beach Line
    The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
  • E. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • 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_69a498fc69ec8190b61722bd4b67c4d2 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c500a9888190a16fbb1ec97a79c9 completed March 1, 2026, 11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad08b5ba94819092e66e8dfd6bf87d completed March 8, 2026, 5:27 a.m.
NEDg Description generation batch_69ad09f7609481908ce2f77da55461be completed March 8, 2026, 5:32 a.m.
NED2 Entity disambiguation (via description) batch_69ad0a4a1f80819099bfef26ad0ab428 completed March 8, 2026, 5:34 a.m.
Created at: March 1, 2026, 8 p.m.