Triple

T235390
Position Surface form Disambiguated ID Type / Status
Subject Cambridge railway station E4497 entity
Predicate isJunctionOn P6309 FINISHED
Object Fen Line
The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
E31344 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: Fen Line | Statement: [Cambridge railway station, isJunctionOn, Fen Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fen Line
Context triple: [Cambridge railway station, isJunctionOn, Fen Line]
  • A. Warminster Line
    The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
  • B. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • C. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • D. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • E. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • 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: Fen Line
Triple: [Cambridge railway station, isJunctionOn, Fen Line]
Generated description
The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fen Line
Target entity description: The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
  • A. Warminster Line
    The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
  • B. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • C. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • D. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • E. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • 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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a260c42060819089eb772202e504f5 completed Feb. 28, 2026, 3:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3695d08588190892d271c03fdf1e6 completed Feb. 28, 2026, 10:17 p.m.
NEDg Description generation batch_69a369d2b56c8190a6381b2da3e42e18 completed Feb. 28, 2026, 10:18 p.m.
NED2 Entity disambiguation (via description) batch_69a36a9f31408190b8f0e8273ff3a298 completed Feb. 28, 2026, 10:22 p.m.
Created at: Feb. 28, 2026, 2:53 a.m.