Triple

T13298247
Position Surface form Disambiguated ID Type / Status
Subject East Market Street E316740 entity
Predicate hasNearbyStation P5648 FINISHED
Object 8th Street station (SEPTA)
8th Street station (SEPTA) is an underground rapid transit hub in Center City Philadelphia serving multiple SEPTA lines, including the Market–Frankford Line and the Broad–Ridge Spur.
 E1038049 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: 8th Street station (SEPTA) | Statement: [East Market Street, hasNearbyStation, 8th Street station (SEPTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 8th Street station (SEPTA)
Context triple: [East Market Street, hasNearbyStation, 8th Street station (SEPTA)]
  • A. 13th Street station (SEPTA)
    13th Street station (SEPTA) is an underground rapid transit station in Center City Philadelphia serving the Market–Frankford Line and connecting to multiple SEPTA services.
  • B. Jefferson Station (SEPTA)
    Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: 8th Street station (SEPTA)
Triple: [East Market Street, hasNearbyStation, 8th Street station (SEPTA)]
Generated description
8th Street station (SEPTA) is an underground rapid transit hub in Center City Philadelphia serving multiple SEPTA lines, including the Market–Frankford Line and the Broad–Ridge Spur.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 8th Street station (SEPTA)
Target entity description: 8th Street station (SEPTA) is an underground rapid transit hub in Center City Philadelphia serving multiple SEPTA lines, including the Market–Frankford Line and the Broad–Ridge Spur.
  • A. 13th Street station (SEPTA)
    13th Street station (SEPTA) is an underground rapid transit station in Center City Philadelphia serving the Market–Frankford Line and connecting to multiple SEPTA services.
  • B. Jefferson Station (SEPTA)
    Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d806b40ab4819094adf6c374f4811a completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d990a2f2708190a8f2aa7e7c0b92d2 completed April 11, 2026, 12:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7305fd57881909c1d7f09f3c084cf completed May 3, 2026, 11:24 a.m.
NEDg Description generation batch_69f731b2794881909c55904842c6c9d6 completed May 3, 2026, 11:29 a.m.
NED2 Entity disambiguation (via description) batch_69f7320ee3108190bd8bc91d180c7cf4 completed May 3, 2026, 11:31 a.m.
Created at: April 9, 2026, 9:28 p.m.