Triple

T235389
Position Surface form Disambiguated ID Type / Status
Subject Cambridge railway station E4497 entity
Predicate isJunctionOn P6309 FINISHED
Object West Anglia Main Line
The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
E30537 NE FINISHED

How this triple was built (5 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: West Anglia Main Line | Statement: [Cambridge railway station, isJunctionOn, West Anglia Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Anglia Main Line
Context triple: [Cambridge railway station, isJunctionOn, West Anglia Main Line]
  • A. 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.
  • 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. Eastern Counties Railway
    Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
  • D. 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.
  • E. West Coast Main Line
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • 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: West Anglia Main Line
Triple: [Cambridge railway station, isJunctionOn, West Anglia Main Line]
Generated description
The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Anglia Main Line
Target entity description: The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • A. 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.
  • 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. Eastern Counties Railway
    Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
  • D. 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.
  • E. West Coast Main Line
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isJunctionOn
Context triple: [Cambridge railway station, isJunctionOn, West Anglia Main Line]
  • A. hasJunctionWith
    Indicates that one entity meets or intersects with another at a shared junction point.
  • B. isOn
    Indicates that one entity is physically positioned above and in contact with the top surface of another entity.
  • C. isAdjacentTo
    Indicates that one entity is directly next to or bordering another without anything of the same type in between.
  • D. hasEntranceOn
    Indicates that one entity’s entrance or access point is located on or faces a specified side, boundary, or feature of another entity.
  • E. isPartOfRoute chosen
    Indicates that something (such as a segment, stop, or step) belongs to and is contained within a larger route.
  • F. None of above.

Provenance (6 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_69a25cc9ab2c81909af278a07f86aa1e completed Feb. 28, 2026, 3:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3673474548190aea1f43318d15a71 completed Feb. 28, 2026, 10:07 p.m.
NEDg Description generation batch_69a367bc6cb48190b5bc588db0833474 completed Feb. 28, 2026, 10:10 p.m.
NED2 Entity disambiguation (via description) batch_69a3681d99a881908ea8d2632ba2aab1 completed Feb. 28, 2026, 10:11 p.m.
PD Predicate disambiguation batch_69a25b5dc640819092669575731c393f completed Feb. 28, 2026, 3:05 a.m.
Created at: Feb. 28, 2026, 2:53 a.m.