Triple

T21410900
Position Surface form Disambiguated ID Type / Status
Subject Three Rivers Heritage Trail segments within Pittsburgh E528163 entity
Predicate hasSegment P3574 FINISHED
Object Strip District Trail — NE NERFINISHED

How this triple was built (3 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: Strip District Trail | Statement: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Strip District Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Strip District Trail
Context triple: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Strip District Trail]
  • A. Beltline Trail
    The Beltline Trail is a popular multi-use recreational path in Toronto that follows a former railway corridor through ravines and parkland.
  • B. Forest City Trail
    Forest City Trail is a hiking route on Vermont’s Camel’s Hump mountain, providing access through forested terrain to the summit area.
  • C. Atlanta BeltLine Eastside Trail
    The Atlanta BeltLine Eastside Trail is a popular multi-use urban trail in Atlanta that repurposes former railway corridors to connect neighborhoods, parks, and public art along the city’s east side.
  • D. Metropolitan Branch Trail
    The Metropolitan Branch Trail is an urban multi-use trail in Washington, D.C., that runs roughly parallel to the Red Line of the Metro, providing a key north–south route for cyclists and pedestrians between Union Station and neighborhoods to the northeast.
  • E. North Loop Trail
    North Loop Trail is a popular high-elevation hiking route on Mount Charleston near Las Vegas, known for its steep climbs, bristlecone pines, and access toward the summit.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Strip District Trail
Target entity description: Strip District Trail is a riverside multi-use path in Pittsburgh that runs through the historic Strip District neighborhood as part of the larger Three Rivers Heritage Trail system.
  • A. Beltline Trail
    The Beltline Trail is a popular multi-use recreational path in Toronto that follows a former railway corridor through ravines and parkland.
  • B. Forest City Trail
    Forest City Trail is a hiking route on Vermont’s Camel’s Hump mountain, providing access through forested terrain to the summit area.
  • C. Atlanta BeltLine Eastside Trail
    The Atlanta BeltLine Eastside Trail is a popular multi-use urban trail in Atlanta that repurposes former railway corridors to connect neighborhoods, parks, and public art along the city’s east side.
  • D. Metropolitan Branch Trail
    The Metropolitan Branch Trail is an urban multi-use trail in Washington, D.C., that runs roughly parallel to the Red Line of the Metro, providing a key north–south route for cyclists and pedestrians between Union Station and neighborhoods to the northeast.
  • E. North Loop Trail
    North Loop Trail is a popular high-elevation hiking route on Mount Charleston near Las Vegas, known for its steep climbs, bristlecone pines, and access toward the summit.
  • F. None of above. chosen

Provenance (2 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_69e0c454c248819093425d1099101c09 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e8b1b6595481908cdf915e3585ed08 completed April 22, 2026, 11:32 a.m.
Created at: April 16, 2026, 5:43 p.m.