Triple
T18068378
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Smithfield Street Bridge |
E432351
|
entity |
| Predicate | crossesAt |
P10257
|
FINISHED |
| Object | Monongahela River at Downtown Pittsburgh |
—
|
NE NERFINISHED |
How this triple was built (2 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: Monongahela River at Downtown Pittsburgh | Statement: [Smithfield Street Bridge, crossesAt, Monongahela River at Downtown Pittsburgh]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Monongahela River at Downtown Pittsburgh Context triple: [Smithfield Street Bridge, crossesAt, Monongahela River at Downtown Pittsburgh]
-
A.
Monongahela riverfront in Pittsburgh
The Monongahela riverfront in Pittsburgh is a developed waterfront area along the Monongahela River featuring neighborhoods like the South Shore, with a mix of industrial heritage, transportation infrastructure, and recreational and commercial spaces overlooking the city’s skyline.
-
B.
Allegheny River waterfront
The Allegheny River waterfront is a stretch of riverfront along the Allegheny River featuring recreational, scenic, and community spaces in and around New Kensington, Pennsylvania.
-
C.
Monongahela, Pennsylvania
Monongahela, Pennsylvania is a small city along the Monongahela River in southwestern Pennsylvania known for its historic downtown and riverfront community.
-
D.
Monongahela River
chosen
The Monongahela River is a major waterway in the Appalachian region of the United States that flows north from West Virginia into Pennsylvania, where it joins the Allegheny River at Pittsburgh to form the Ohio River.
-
E.
Allegheny River
The Allegheny River is a major waterway in western Pennsylvania and New York that joins the Monongahela River at Pittsburgh to form the Ohio River.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8b9070cac81909fa9473fb1c3f1c7 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4ccebff748190b41d2edd93994c67 |
completed | April 19, 2026, 12:39 p.m. |
Created at: April 10, 2026, 10:26 a.m.