Triple

T777610
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Route 13 E16424 entity
Predicate terminus P388 FINISHED
Object Yeadon Loop
Yeadon Loop is a trolley turning loop and terminal facility in Yeadon, Pennsylvania, serving as the western endpoint of SEPTA’s Route 13.
 E95580 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: Yeadon Loop | Statement: [SEPTA Route 13, terminus, Yeadon Loop]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Yeadon Loop
Context triple: [SEPTA Route 13, terminus, Yeadon Loop]
  • A. Hindhead
    Hindhead is a village in Surrey, England, known for its elevated position in the Surrey Hills and proximity to the Devil’s Punch Bowl beauty spot.
  • B. Chadlington
    Chadlington is a rural village in Oxfordshire, England, known for its traditional Cotswold character and surrounding countryside.
  • C. Heslington Lane
    Heslington Lane is a road in York, England, that runs through the village of Heslington and forms part of the main approach to the University of York campus.
  • D. Styal Line
    The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
  • E. Edgeley Park
    Edgeley Park is a historic football stadium in Stockport, England, best known as the long-time home ground of Stockport County FC.
  • 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: Yeadon Loop
Triple: [SEPTA Route 13, terminus, Yeadon Loop]
Generated description
Yeadon Loop is a trolley turning loop and terminal facility in Yeadon, Pennsylvania, serving as the western endpoint of SEPTA’s Route 13.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Yeadon Loop
Target entity description: Yeadon Loop is a trolley turning loop and terminal facility in Yeadon, Pennsylvania, serving as the western endpoint of SEPTA’s Route 13.
  • A. Hindhead
    Hindhead is a village in Surrey, England, known for its elevated position in the Surrey Hills and proximity to the Devil’s Punch Bowl beauty spot.
  • B. Chadlington
    Chadlington is a rural village in Oxfordshire, England, known for its traditional Cotswold character and surrounding countryside.
  • C. Heslington Lane
    Heslington Lane is a road in York, England, that runs through the village of Heslington and forms part of the main approach to the University of York campus.
  • D. Styal Line
    The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
  • E. Edgeley Park
    Edgeley Park is a historic football stadium in Stockport, England, best known as the long-time home ground of Stockport County FC.
  • 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_69a4936ad1fc81908f190208059ccf78 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a74da7648190adfad56717d564df completed March 1, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69a6891fb80481909ed2ce30789c945e completed March 3, 2026, 7:09 a.m.
NEDg Description generation batch_69a689c9974c819082082cd83fe46cbc completed March 3, 2026, 7:12 a.m.
NED2 Entity disambiguation (via description) batch_69a6d763a7848190ba4d5266d581acdb completed March 3, 2026, 12:43 p.m.
Created at: March 1, 2026, 7:37 p.m.