Triple

T21410909
Position Surface form Disambiguated ID Type / Status
Subject Three Rivers Heritage Trail segments within Pittsburgh E528163 entity
Predicate operator P179 FINISHED
Object Friends of the Riverfront — 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: Friends of the Riverfront | Statement: [Three Rivers Heritage Trail segments within Pittsburgh, operator, Friends of the Riverfront]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Friends of the Riverfront
Context triple: [Three Rivers Heritage Trail segments within Pittsburgh, operator, Friends of the Riverfront]
  • A. Riverfront Recapture, Inc.
    Riverfront Recapture, Inc. is a nonprofit organization dedicated to revitalizing and managing public parks, trails, and recreational spaces along the riverfront in the Hartford, Connecticut area.
  • B. Friends of Fourth Ward
    Friends of Fourth Ward is a neighborhood-based community organization in Charlotte, North Carolina, dedicated to preserving, promoting, and enhancing the historic Fourth Ward area.
  • C. Independence Riverfront
    Independence Riverfront is a scenic park and recreation area along the Willamette River in Independence, Oregon, featuring walking paths, river access, and community gathering spaces.
  • D. Fishtown Preservation Society
    The Fishtown Preservation Society is a nonprofit organization dedicated to preserving and maintaining the historic fishing village of Fishtown in Leland, Michigan.
  • E. Radburn Association
    The Radburn Association is the homeowners' association that manages community governance, shared facilities, and maintenance for the planned community of Radburn in Fair Lawn, New Jersey.
  • 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: Friends of the Riverfront
Target entity description: Friends of the Riverfront is a nonprofit organization in Pittsburgh dedicated to developing, maintaining, and promoting riverfront trails and public access along the city’s waterways.
  • A. Riverfront Recapture, Inc.
    Riverfront Recapture, Inc. is a nonprofit organization dedicated to revitalizing and managing public parks, trails, and recreational spaces along the riverfront in the Hartford, Connecticut area.
  • B. Friends of Fourth Ward
    Friends of Fourth Ward is a neighborhood-based community organization in Charlotte, North Carolina, dedicated to preserving, promoting, and enhancing the historic Fourth Ward area.
  • C. Independence Riverfront
    Independence Riverfront is a scenic park and recreation area along the Willamette River in Independence, Oregon, featuring walking paths, river access, and community gathering spaces.
  • D. Fishtown Preservation Society
    The Fishtown Preservation Society is a nonprofit organization dedicated to preserving and maintaining the historic fishing village of Fishtown in Leland, Michigan.
  • E. Radburn Association
    The Radburn Association is the homeowners' association that manages community governance, shared facilities, and maintenance for the planned community of Radburn in Fair Lawn, New Jersey.
  • 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.