Triple

T12652250
Position Surface form Disambiguated ID Type / Status
Subject University City E302191 entity
Predicate hasTransit P2413 FINISHED
Object SEPTA Regional Rail University City station
SEPTA Regional Rail University City station is a commuter rail stop in Philadelphia serving the University City area and nearby institutions like the University of Pennsylvania and Drexel University.
E996576 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: SEPTA Regional Rail University City station | Statement: [University City, hasTransit, SEPTA Regional Rail University City station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA Regional Rail University City station
Context triple: [University City, hasTransit, SEPTA Regional Rail University City station]
  • A. SEPTA Highland station
    SEPTA Highland station is a commuter rail stop on SEPTA's Chestnut Hill West Line serving the Highland neighborhood of Philadelphia, Pennsylvania.
  • B. SEPTA Regional Rail Manayunk station
    SEPTA Regional Rail Manayunk station is a commuter rail stop in the Manayunk neighborhood of Philadelphia that provides regional rail service on SEPTA’s Manayunk/Norristown Line.
  • C. 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.
  • D. Suburban Station (SEPTA)
    Suburban Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that serves as one of SEPTA’s primary commuter rail terminals.
  • E. SEPTA 34th Street Station (Market–Frankford Line)
    SEPTA 34th Street Station (Market–Frankford Line) is an elevated rapid transit station in West Philadelphia serving the Market–Frankford Line, providing access to nearby University City institutions and surrounding neighborhoods.
  • 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: SEPTA Regional Rail University City station
Triple: [University City, hasTransit, SEPTA Regional Rail University City station]
Generated description
SEPTA Regional Rail University City station is a commuter rail stop in Philadelphia serving the University City area and nearby institutions like the University of Pennsylvania and Drexel University.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SEPTA Regional Rail University City station
Target entity description: SEPTA Regional Rail University City station is a commuter rail stop in Philadelphia serving the University City area and nearby institutions like the University of Pennsylvania and Drexel University.
  • A. SEPTA Highland station
    SEPTA Highland station is a commuter rail stop on SEPTA's Chestnut Hill West Line serving the Highland neighborhood of Philadelphia, Pennsylvania.
  • B. SEPTA Regional Rail Manayunk station
    SEPTA Regional Rail Manayunk station is a commuter rail stop in the Manayunk neighborhood of Philadelphia that provides regional rail service on SEPTA’s Manayunk/Norristown Line.
  • C. 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.
  • D. Suburban Station (SEPTA)
    Suburban Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that serves as one of SEPTA’s primary commuter rail terminals.
  • E. SEPTA 34th Street Station (Market–Frankford Line)
    SEPTA 34th Street Station (Market–Frankford Line) is an elevated rapid transit station in West Philadelphia serving the Market–Frankford Line, providing access to nearby University City institutions and surrounding neighborhoods.
  • 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_69d7bded71a88190bb76e2413af9ea66 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9615f28cc81908e37249d7ab5ed74 completed April 10, 2026, 8:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6688104d48190939933b93b7e60cc completed May 2, 2026, 9:11 p.m.
NEDg Description generation batch_69f66c572f848190a8cad6311d3315a3 completed May 2, 2026, 9:27 p.m.
NED2 Entity disambiguation (via description) batch_69f66cef79148190a052fb9ade3b0d27 completed May 2, 2026, 9:30 p.m.
Created at: April 9, 2026, 5:18 p.m.