Triple

T6451647
Position Surface form Disambiguated ID Type / Status
Subject Center City Concourse E139880 entity
Predicate connects P390 FINISHED
Object 11th Street station
11th Street station is a SEPTA subway station in Center City Philadelphia that serves the Market–Frankford Line and provides access to nearby regional rail and commercial areas.
E598546 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: 11th Street station | Statement: [Center City Concourse, connects, 11th Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 11th Street station
Context triple: [Center City Concourse, connects, 11th Street station]
  • A. 9th Street station
    9th Street station is a PATH rapid transit stop in Manhattan that serves as part of the rail link between New Jersey and New York City.
  • B. 22nd Street station
    22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
  • C. 7th Street station
    7th Street station is a light rail station in uptown Charlotte, North Carolina, serving the LYNX Blue Line and providing access to the city’s central business and entertainment districts.
  • D. 37th Street station
    37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
  • E. 15th Street station
    15th Street station is a major underground transit hub in Center City Philadelphia that connects SEPTA’s subway–surface trolleys with the Market–Frankford Line and nearby regional rail services.
  • 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: 11th Street station
Triple: [Center City Concourse, connects, 11th Street station]
Generated description
11th Street station is a SEPTA subway station in Center City Philadelphia that serves the Market–Frankford Line and provides access to nearby regional rail and commercial areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 11th Street station
Target entity description: 11th Street station is a SEPTA subway station in Center City Philadelphia that serves the Market–Frankford Line and provides access to nearby regional rail and commercial areas.
  • A. 9th Street station
    9th Street station is a PATH rapid transit stop in Manhattan that serves as part of the rail link between New Jersey and New York City.
  • B. 22nd Street station
    22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
  • C. 7th Street station
    7th Street station is a light rail station in uptown Charlotte, North Carolina, serving the LYNX Blue Line and providing access to the city’s central business and entertainment districts.
  • D. 37th Street station
    37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
  • E. 15th Street station
    15th Street station is a major underground transit hub in Center City Philadelphia that connects SEPTA’s subway–surface trolleys with the Market–Frankford Line and nearby regional rail services.
  • 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_69c008b301948190a35854e5284dc822 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c069b4171c8190b0acad78700998ed completed March 22, 2026, 10:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c67c43893c8190b99130bb9a3afc40 completed March 27, 2026, 12:46 p.m.
NEDg Description generation batch_69c67d7cbdfc8190aac8b557f99e6713 completed March 27, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_69c67de5620c81909fac3da436c9b600 completed March 27, 2026, 12:53 p.m.
Created at: March 22, 2026, 4:47 p.m.