Triple

T14970558
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Chestnut Hill East Line E373304 entity
Predicate hasStation P35 FINISHED
Object North Philadelphia station
North Philadelphia station is a historic railway station in Philadelphia, Pennsylvania, serving regional rail passengers on multiple lines including SEPTA services.
 E59501 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: North Philadelphia station | Statement: [SEPTA Chestnut Hill East Line, hasStation, North Philadelphia station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Philadelphia station
Context triple: [SEPTA Chestnut Hill East Line, hasStation, North Philadelphia station]
  • A. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • B. Penn–North station
    Penn–North station is an underground rapid transit stop on Baltimore’s Metro SubwayLink system serving the Penn-North neighborhood in West Baltimore.
  • C. Haverford station
    Haverford station is a commuter rail stop serving the Haverford area in Pennsylvania, providing regional rail connections for local residents and visitors.
  • D. Coatesville station
    Coatesville station is a passenger rail station in Coatesville, Pennsylvania, served by Amtrak trains along the Keystone Corridor.
  • E. Temple University station
    Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
  • 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: North Philadelphia station
Triple: [SEPTA Chestnut Hill East Line, hasStation, North Philadelphia station]
Generated description
North Philadelphia station is a historic railway station in Philadelphia, Pennsylvania, serving regional rail passengers on multiple lines including SEPTA services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: North Philadelphia station
Target entity description: North Philadelphia station is a historic railway station in Philadelphia, Pennsylvania, serving regional rail passengers on multiple lines including SEPTA services.
  • A. North Philadelphia station chosen
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • B. Penn–North station
    Penn–North station is an underground rapid transit stop on Baltimore’s Metro SubwayLink system serving the Penn-North neighborhood in West Baltimore.
  • C. Haverford station
    Haverford station is a commuter rail stop serving the Haverford area in Pennsylvania, providing regional rail connections for local residents and visitors.
  • D. Coatesville station
    Coatesville station is a passenger rail station in Coatesville, Pennsylvania, served by Amtrak trains along the Keystone Corridor.
  • E. Temple University station
    Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
  • F. None of above.

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_69d85ccbbcd48190acb56e7cf104d8ad completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded6e59a7c8190a1634a706ea68fda completed April 15, 2026, 12:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe9692e4fc8190a1194a41fc8a832c completed May 9, 2026, 2:06 a.m.
NEDg Description generation batch_69fe983820f88190843361b0ac391d38 completed May 9, 2026, 2:13 a.m.
NED2 Entity disambiguation (via description) batch_69fe98b18ab48190b2a47418904e6643 completed May 9, 2026, 2:15 a.m.
Created at: April 10, 2026, 2:49 a.m.