Triple

T7470631
Position Surface form Disambiguated ID Type / Status
Subject Bryn Mawr, Pennsylvania E176493 entity
Predicate hasRailwayStation P918 FINISHED
Object Bryn Mawr station
Bryn Mawr station is a commuter rail stop on SEPTA's Paoli/Thorndale Line serving the community of Bryn Mawr in Pennsylvania's Main Line suburbs.
E668733 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: Bryn Mawr station | Statement: [Bryn Mawr, Pennsylvania, hasRailwayStation, Bryn Mawr station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bryn Mawr station
Context triple: [Bryn Mawr, Pennsylvania, hasRailwayStation, Bryn Mawr station]
  • A. Swarthmore station
    Swarthmore station is a commuter rail station in Swarthmore, Pennsylvania, serving SEPTA’s Media/Wawa Line and providing regional rail access to the Philadelphia area.
  • B. Haverford station
    Haverford station is a commuter rail stop serving the Haverford area in Pennsylvania, providing regional rail connections for local residents and visitors.
  • C. Wynnewood station
    Wynnewood station is a commuter rail stop on SEPTA's Paoli/Thorndale Line located in the Wynnewood neighborhood of Lower Merion Township, Pennsylvania.
  • D. Doylestown station
    Doylestown station is a SEPTA Regional Rail station in Doylestown, Pennsylvania, serving as a key commuter hub for travel between the northern suburbs and central Philadelphia.
  • E. Pennbrook station
    Pennbrook station is a SEPTA Regional Rail stop in Pennsylvania serving commuters on the Lansdale/Doylestown 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: Bryn Mawr station
Triple: [Bryn Mawr, Pennsylvania, hasRailwayStation, Bryn Mawr station]
Generated description
Bryn Mawr station is a commuter rail stop on SEPTA's Paoli/Thorndale Line serving the community of Bryn Mawr in Pennsylvania's Main Line suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bryn Mawr station
Target entity description: Bryn Mawr station is a commuter rail stop on SEPTA's Paoli/Thorndale Line serving the community of Bryn Mawr in Pennsylvania's Main Line suburbs.
  • A. Swarthmore station
    Swarthmore station is a commuter rail station in Swarthmore, Pennsylvania, serving SEPTA’s Media/Wawa Line and providing regional rail access to the Philadelphia area.
  • B. Haverford station
    Haverford station is a commuter rail stop serving the Haverford area in Pennsylvania, providing regional rail connections for local residents and visitors.
  • C. Wynnewood station
    Wynnewood station is a commuter rail stop on SEPTA's Paoli/Thorndale Line located in the Wynnewood neighborhood of Lower Merion Township, Pennsylvania.
  • D. Doylestown station
    Doylestown station is a SEPTA Regional Rail station in Doylestown, Pennsylvania, serving as a key commuter hub for travel between the northern suburbs and central Philadelphia.
  • E. Pennbrook station
    Pennbrook station is a SEPTA Regional Rail stop in Pennsylvania serving commuters on the Lansdale/Doylestown 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_69c69f223fd88190b4c69b95d7cbeeda completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f4145d608190bd93239f04f7da41 completed March 27, 2026, 9:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83c625a388190bfe9237568ab2005 completed March 28, 2026, 8:38 p.m.
NEDg Description generation batch_69c8402b0cf8819093b9c511ca259d95 completed March 28, 2026, 8:55 p.m.
NED2 Entity disambiguation (via description) batch_69c8413a95ac819087ac6c75bb35af66 completed March 28, 2026, 8:59 p.m.
Created at: March 27, 2026, 3:41 p.m.