Triple

T787558
Position Surface form Disambiguated ID Type / Status
Subject Cynwyd Line E16838 entity
Predicate terminus P388 FINISHED
Object Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
 E98768 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: Cynwyd station | Statement: [Cynwyd Line, terminus, Cynwyd station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cynwyd station
Context triple: [Cynwyd Line, terminus, Cynwyd station]
  • A. Merthyr Tydfil railway station
    Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
  • B. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • C. Neath railway station
    Neath railway station is a key passenger rail hub in Neath, Wales, providing regional and intercity services on the South Wales rail network.
  • D. Cardiff Central railway station
    Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
  • E. Port Talbot Parkway railway station
    Port Talbot Parkway railway station is a key passenger rail hub in Port Talbot, Wales, providing regional and long-distance services along the South Wales rail corridor.
  • 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: Cynwyd station
Triple: [Cynwyd Line, terminus, Cynwyd station]
Generated description
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cynwyd station
Target entity description: Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
  • A. Merthyr Tydfil railway station
    Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
  • B. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • C. Neath railway station
    Neath railway station is a key passenger rail hub in Neath, Wales, providing regional and intercity services on the South Wales rail network.
  • D. Cardiff Central railway station
    Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
  • E. Port Talbot Parkway railway station
    Port Talbot Parkway railway station is a key passenger rail hub in Port Talbot, Wales, providing regional and long-distance services along the South Wales rail corridor.
  • 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_69a4936cb7448190914f5fe4b8d81607 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a78171908190a38a70274bfbebf9 completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69a79286e8b88190887def813bc65d95 completed March 4, 2026, 2:01 a.m.
NEDg Description generation batch_69a792edde248190859bbef2b50c39a0 completed March 4, 2026, 2:03 a.m.
NED2 Entity disambiguation (via description) batch_69a79342d4108190831131e85f2886c8 completed March 4, 2026, 2:04 a.m.
Created at: March 1, 2026, 7:38 p.m.