Triple

T23205266
Position Surface form Disambiguated ID Type / Status
Subject Hounslow East Underground station E580434 entity
Predicate followingStationOnPiccadillyLineTowardsHeathrow P151340 FINISHED
Object Hounslow Central
Hounslow Central is a London Underground station in west London served by the Piccadilly line, providing access to the surrounding Hounslow area.
E1575896 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: Hounslow Central | Statement: [Hounslow East Underground station, followingStationOnPiccadillyLineTowardsHeathrow, Hounslow Central]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hounslow Central
Context triple: [Hounslow East Underground station, followingStationOnPiccadillyLineTowardsHeathrow, Hounslow Central]
  • A. Ealing Central and Acton
    Ealing Central and Acton is a UK parliamentary constituency in West London that covers parts of the London Borough of Ealing, including Ealing, Acton, and surrounding areas.
  • B. Wandsworth Central
    Wandsworth Central was a former UK parliamentary constituency in the London Borough of Wandsworth, represented in the House of Commons until its abolition in the mid-20th century.
  • C. Croydon Central
    Croydon Central is a UK parliamentary constituency covering the central area of the London Borough of Croydon.
  • D. Ealing East
    Ealing East was a former UK parliamentary constituency in the London Borough of Ealing that existed in the mid-20th century before being replaced by later constituencies such as Ealing North.
  • E. Walthamstow Central
    Walthamstow Central is a major transport hub in northeast London, serving as both an Underground and National Rail station for the surrounding Walthamstow area.
  • 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: Hounslow Central
Triple: [Hounslow East Underground station, followingStationOnPiccadillyLineTowardsHeathrow, Hounslow Central]
Generated description
Hounslow Central is a London Underground station in west London served by the Piccadilly line, providing access to the surrounding Hounslow area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hounslow Central
Target entity description: Hounslow Central is a London Underground station in west London served by the Piccadilly line, providing access to the surrounding Hounslow area.
  • A. Ealing Central and Acton
    Ealing Central and Acton is a UK parliamentary constituency in West London that covers parts of the London Borough of Ealing, including Ealing, Acton, and surrounding areas.
  • B. Wandsworth Central
    Wandsworth Central was a former UK parliamentary constituency in the London Borough of Wandsworth, represented in the House of Commons until its abolition in the mid-20th century.
  • C. Croydon Central
    Croydon Central is a UK parliamentary constituency covering the central area of the London Borough of Croydon.
  • D. Ealing East
    Ealing East was a former UK parliamentary constituency in the London Borough of Ealing that existed in the mid-20th century before being replaced by later constituencies such as Ealing North.
  • E. Walthamstow Central
    Walthamstow Central is a major transport hub in northeast London, serving as both an Underground and National Rail station for the surrounding Walthamstow area.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: followingStationOnPiccadillyLineTowardsHeathrow
Context triple: [Hounslow East Underground station, followingStationOnPiccadillyLineTowardsHeathrow, Hounslow Central]
  • A. followingStationOnMetropolitanLineTowardsAldgate
    Indicates that one station is the next station along the Metropolitan line in the direction of travel towards Aldgate.
  • B. isAdjacentStationOnPiccadillyLine
    Indicates that two stations are directly next to each other as consecutive stops on the Piccadilly Line.
  • C. isOnPiccadillyLineBranch
    Indicates that something (typically a station or track segment) lies on a branch of the Piccadilly Line rather than on its main central section.
  • D. precedingStationOnMetropolitanLineTowardsUxbridge
    Indicates that one station is immediately before another station on the Metropolitan line when traveling in the direction of Uxbridge.
  • E. adjacentStationTowardsLondonBridge
    Indicates that one station is directly next to another along the rail line in the direction heading toward London Bridge.
  • F. None of above. chosen

Provenance (7 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_69e24602ae1481908aaa6bc7ca493867 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f1907c1d7c8190aca252a39ae0da86 completed April 29, 2026, 5 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c30c2ac508190ab718e22afde7a73 completed May 19, 2026, 9:43 a.m.
NEDg Description generation batch_6a0c332f5ef08190ab7f6536eb719e04 completed May 19, 2026, 9:53 a.m.
NED2 Entity disambiguation (via description) batch_6a0c374ded1c8190b1d5c7a3ab521cf9 completed May 19, 2026, 10:11 a.m.
PD Predicate disambiguation batch_69effcccee508190a7ae311fdd319806 completed April 28, 2026, 12:18 a.m.
PDg Predicate description generation batch_69f01d8770d081908897c28b04e5faea completed April 28, 2026, 2:37 a.m.
Created at: April 17, 2026, 4:07 p.m.