Triple
T4964636
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh Locomotive and Car Works |
E111491
|
entity |
| Predicate | locatedOnWaterway |
P4361
|
FINISHED |
| Object | Allegheny River |
E54412
|
NE FINISHED |
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: Allegheny River | Statement: [Pittsburgh Locomotive and Car Works, locatedOnWaterway, Allegheny River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Allegheny River Context triple: [Pittsburgh Locomotive and Car Works, locatedOnWaterway, Allegheny River]
-
A.
Allegheny River
chosen
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.
-
B.
Monongahela River
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.
-
C.
Allegheny
Allegheny was the original name of the Major League Baseball franchise now known as the Pittsburgh Pirates.
-
D.
Youghiogheny River
The Youghiogheny River is a major tributary of the Monongahela River that flows through Maryland, West Virginia, and southwestern Pennsylvania, known for its scenic gorges and popular whitewater recreation.
-
E.
Mahoning River
The Mahoning River is a tributary of the Beaver River that flows through northeastern Ohio and western Pennsylvania, historically significant for its role in the region’s steel and industrial development.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd4419393c819086319a6fe4bf8542 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd71f693b48190b3523cd314303cbe |
completed | March 20, 2026, 4:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69becfa8578c8190948a1597ebac3ca6 |
completed | March 21, 2026, 5:04 p.m. |
Created at: March 20, 2026, 1:32 p.m.