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
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.
|
E1482133
|
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: 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.
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: Friends of the Riverfront Triple: [Three Rivers Heritage Trail segments within Pittsburgh, operator, Friends of the Riverfront]
Generated 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.
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 (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_69e0c454c248819093425d1099101c09 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e8b1b6595481908cdf915e3585ed08 |
completed | April 22, 2026, 11:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09bb590c888190bb5129341552cdb3 |
completed | May 17, 2026, 12:58 p.m. |
| NEDg | Description generation | batch_6a09bea578348190a3cc8a652c7fc362 |
completed | May 17, 2026, 1:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09bf5645348190a2ef7bd49a0237d8 |
completed | May 17, 2026, 1:15 p.m. |
Created at: April 16, 2026, 5:43 p.m.