Triple

T10665140
Position Surface form Disambiguated ID Type / Status
Subject Thatcham railway station E251335 entity
Predicate locatedOnLine P2409 FINISHED
Object Reading–Newbury–Westbury line
The Reading–Newbury–Westbury line is a railway route in southern England that connects Reading with Newbury and Westbury, serving towns across Berkshire and Wiltshire.
 E876687 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: Reading–Newbury–Westbury line | Statement: [Thatcham railway station, locatedOnLine, Reading–Newbury–Westbury line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Reading–Newbury–Westbury line
Context triple: [Thatcham railway station, locatedOnLine, Reading–Newbury–Westbury line]
  • A. Middleborough/Lakeville Line
    The Middleborough/Lakeville Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston and southeastern Massachusetts communities including Middleborough and Lakeville.
  • B. Mattapan Line
    The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
  • C. Chestnut Hill East Line
    Chestnut Hill East Line is a commuter rail service in the Philadelphia area operated as part of SEPTA’s Regional Rail network.
  • D. Chestnut Hill West Line
    The Chestnut Hill West Line is a commuter rail service in the Philadelphia area that connects Center City with the Chestnut Hill neighborhood.
  • E. Green Line West Branch
    The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
  • 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: Reading–Newbury–Westbury line
Triple: [Thatcham railway station, locatedOnLine, Reading–Newbury–Westbury line]
Generated description
The Reading–Newbury–Westbury line is a railway route in southern England that connects Reading with Newbury and Westbury, serving towns across Berkshire and Wiltshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Reading–Newbury–Westbury line
Target entity description: The Reading–Newbury–Westbury line is a railway route in southern England that connects Reading with Newbury and Westbury, serving towns across Berkshire and Wiltshire.
  • A. Middleborough/Lakeville Line
    The Middleborough/Lakeville Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston and southeastern Massachusetts communities including Middleborough and Lakeville.
  • B. Mattapan Line
    The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
  • C. Chestnut Hill East Line
    Chestnut Hill East Line is a commuter rail service in the Philadelphia area operated as part of SEPTA’s Regional Rail network.
  • D. Chestnut Hill West Line
    The Chestnut Hill West Line is a commuter rail service in the Philadelphia area that connects Center City with the Chestnut Hill neighborhood.
  • E. Green Line West Branch
    The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
  • 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_69d6aa5b0d2881909584b20efc5877f0 completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6f31e8f5c8190ba03da312d397524 completed April 9, 2026, 12:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69d97a9566e08190a92b49ce73963078 completed April 10, 2026, 10:32 p.m.
NEDg Description generation batch_69d97cc2b66c8190909a23927fbe3af5 completed April 10, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69d97e189800819087bf6af15b2370a2 completed April 10, 2026, 10:47 p.m.
Created at: April 8, 2026, 9:08 p.m.