Triple

T15460733
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Fox Chase Line E371890 entity
Predicate primaryStation P394 FINISHED
Object Cheltenham station
Cheltenham station is a regional rail stop in Cheltenham Township, Pennsylvania, served by SEPTA trains on the Fox Chase Line.
E1158788 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: Cheltenham station | Statement: [SEPTA Fox Chase Line, primaryStation, Cheltenham station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cheltenham station
Context triple: [SEPTA Fox Chase Line, primaryStation, Cheltenham station]
  • A. Cheltenham railway station
    Cheltenham railway station is a suburban commuter rail station in Melbourne, Australia, serving the Cheltenham area on the Frankston line.
  • B. Cheltenham Spa railway station
    Cheltenham Spa railway station is a key passenger rail hub in Cheltenham, England, providing regional and long-distance services on the main line through Gloucestershire.
  • C. Chester station
    Chester station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission, serving Toronto’s Greektown area.
  • D. Chatham railway station
    Chatham railway station is a mainline railway station in Chatham, Kent, providing regional and commuter rail services on the North Kent Line.
  • E. Gloucester station
    Gloucester station is a commuter rail stop in Gloucester, Massachusetts, served by the MBTA’s Rockport Branch of the Newburyport/Rockport Line.
  • 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: Cheltenham station
Triple: [SEPTA Fox Chase Line, primaryStation, Cheltenham station]
Generated description
Cheltenham station is a regional rail stop in Cheltenham Township, Pennsylvania, served by SEPTA trains on the Fox Chase Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cheltenham station
Target entity description: Cheltenham station is a regional rail stop in Cheltenham Township, Pennsylvania, served by SEPTA trains on the Fox Chase Line.
  • A. Cheltenham railway station
    Cheltenham railway station is a suburban commuter rail station in Melbourne, Australia, serving the Cheltenham area on the Frankston line.
  • B. Cheltenham Spa railway station
    Cheltenham Spa railway station is a key passenger rail hub in Cheltenham, England, providing regional and long-distance services on the main line through Gloucestershire.
  • C. Chester station
    Chester station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission, serving Toronto’s Greektown area.
  • D. Chatham railway station
    Chatham railway station is a mainline railway station in Chatham, Kent, providing regional and commuter rail services on the North Kent Line.
  • E. Gloucester station
    Gloucester station is a commuter rail stop in Gloucester, Massachusetts, served by the MBTA’s Rockport Branch of the Newburyport/Rockport Line.
  • 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_69d85cc8bd308190886949510b42e764 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e03f17663c8190b995c7c3129c90d6 completed April 16, 2026, 1:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff2cfd76cc8190b3d8148ffe872887 completed May 9, 2026, 12:47 p.m.
NEDg Description generation batch_69ff2ead88b0819093046c5f0dae8674 completed May 9, 2026, 12:55 p.m.
NED2 Entity disambiguation (via description) batch_69ff2f4a404c81909a391d3d2cba1ee8 completed May 9, 2026, 12:57 p.m.
Created at: April 10, 2026, 3:32 a.m.