Triple

T472018
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Broad Street Line E8578 entity
Predicate hasBranch P35 FINISHED
Object Broad–Ridge Spur
Broad–Ridge Spur is a short branch of Philadelphia’s Broad Street Line subway that provides service between Center City and North Philadelphia via the Ridge Avenue corridor.
 E59283 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: Broad–Ridge Spur | Statement: [SEPTA Broad Street Line, hasBranch, Broad–Ridge Spur]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broad–Ridge Spur
Context triple: [SEPTA Broad Street Line, hasBranch, Broad–Ridge Spur]
  • A. Redding Ridge
    Redding Ridge is a small village and residential community within the town of Redding in Fairfield County, Connecticut.
  • B. Cocos Ridge
    Cocos Ridge is a prominent submarine volcanic ridge in the eastern Pacific Ocean formed by hotspot-related volcanism on the Cocos Plate.
  • C. Schell Creek Range
    The Schell Creek Range is a remote, north–south trending mountain range in eastern Nevada known for its high peaks, extensive forests, and classic Great Basin scenery.
  • D. Cooper Mountain
    Cooper Mountain is a prominent natural area and residential community in Washington County, Oregon, known for its scenic views, vineyards, and the Cooper Mountain Nature Park.
  • E. Backbone Mountain
    Backbone Mountain is a long, rugged ridge of the Allegheny Mountains in the central Appalachian range, known for forming part of the Maryland–West Virginia border and offering forested highland scenery and hiking opportunities.
  • 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: Broad–Ridge Spur
Triple: [SEPTA Broad Street Line, hasBranch, Broad–Ridge Spur]
Generated description
Broad–Ridge Spur is a short branch of Philadelphia’s Broad Street Line subway that provides service between Center City and North Philadelphia via the Ridge Avenue corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Broad–Ridge Spur
Target entity description: Broad–Ridge Spur is a short branch of Philadelphia’s Broad Street Line subway that provides service between Center City and North Philadelphia via the Ridge Avenue corridor.
  • A. Redding Ridge
    Redding Ridge is a small village and residential community within the town of Redding in Fairfield County, Connecticut.
  • B. Cocos Ridge
    Cocos Ridge is a prominent submarine volcanic ridge in the eastern Pacific Ocean formed by hotspot-related volcanism on the Cocos Plate.
  • C. Schell Creek Range
    The Schell Creek Range is a remote, north–south trending mountain range in eastern Nevada known for its high peaks, extensive forests, and classic Great Basin scenery.
  • D. Cooper Mountain
    Cooper Mountain is a prominent natural area and residential community in Washington County, Oregon, known for its scenic views, vineyards, and the Cooper Mountain Nature Park.
  • E. Backbone Mountain
    Backbone Mountain is a long, rugged ridge of the Allegheny Mountains in the central Appalachian range, known for forming part of the Maryland–West Virginia border and offering forested highland scenery and hiking opportunities.
  • 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_69a2e7f3aeb48190a19453e3a043f486 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2eff24108819092fdb85019ec4089 completed Feb. 28, 2026, 1:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69a462fbc760819092a3065fbb0ef589 completed March 1, 2026, 4:02 p.m.
NEDg Description generation batch_69a4638ac9a481909da9430a589408a3 completed March 1, 2026, 4:04 p.m.
NED2 Entity disambiguation (via description) batch_69a463e978508190baab1c4a721661fb completed March 1, 2026, 4:06 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.