Triple

T2255856
Position Surface form Disambiguated ID Type / Status
Subject Swarthmore, Pennsylvania E49721 entity
Predicate hasRailStation P726 FINISHED
Object 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.
E254727 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: Swarthmore station | Statement: [Swarthmore, Pennsylvania, hasRailStation, Swarthmore station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Swarthmore station
Context triple: [Swarthmore, Pennsylvania, hasRailStation, Swarthmore station]
  • A. 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.
  • B. Downingtown Station
    Downingtown Station is a passenger rail station in Downingtown, Pennsylvania, served by Amtrak and SEPTA regional rail services.
  • C. Hatboro station
    Hatboro station is a SEPTA Regional Rail stop in Hatboro, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • D. Glenside station
    Glenside station is a SEPTA Regional Rail stop in Glenside, Pennsylvania, serving multiple commuter lines that connect the suburb with central Philadelphia and surrounding areas.
  • 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: Swarthmore station
Triple: [Swarthmore, Pennsylvania, hasRailStation, Swarthmore station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Swarthmore station
Target entity description: 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.
  • A. 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.
  • B. Downingtown Station
    Downingtown Station is a passenger rail station in Downingtown, Pennsylvania, served by Amtrak and SEPTA regional rail services.
  • C. Hatboro station
    Hatboro station is a SEPTA Regional Rail stop in Hatboro, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • D. Glenside station
    Glenside station is a SEPTA Regional Rail stop in Glenside, Pennsylvania, serving multiple commuter lines that connect the suburb with central Philadelphia and surrounding areas.
  • 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_69a88aaa9250819095e127d0d77e8a32 completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc1559ff481908efe3f214b2570dc completed March 7, 2026, 6:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae89477bb481908ce66fac62181f1f completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8a1abe708190806a2525377084c2 completed March 9, 2026, 8:51 a.m.
NED2 Entity disambiguation (via description) batch_69ae8a7726dc8190a18f7f1e1609253a completed March 9, 2026, 8:53 a.m.
Created at: March 4, 2026, 7:47 p.m.