Triple
T13233454
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh Railways |
E315078
|
entity |
| Predicate | cityServed |
P82
|
FINISHED |
| Object | McKeesport, Pennsylvania |
E144772
|
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: McKeesport, Pennsylvania | Statement: [Pittsburgh Railways, cityServed, McKeesport, Pennsylvania]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: McKeesport, Pennsylvania Context triple: [Pittsburgh Railways, cityServed, McKeesport, Pennsylvania]
-
A.
McKeesport
chosen
McKeesport is a city in southwestern Pennsylvania located near the confluence of the Monongahela and Youghiogheny Rivers, historically known for its steel industry.
-
B.
McKees Rocks, Pennsylvania
McKees Rocks, Pennsylvania is a small industrial borough near Pittsburgh known for its historic riverfront, rail yards, and working-class heritage.
-
C.
Bessemer, Pennsylvania
Bessemer, Pennsylvania is a small borough in western Pennsylvania known historically for its steel and industrial heritage.
-
D.
Millvale, Pennsylvania
Millvale, Pennsylvania is a small borough in Allegheny County near Pittsburgh, known for its historic riverside setting, tight-knit community, and revitalizing arts and brewery scene.
-
E.
Duquesne, Pennsylvania
Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
- 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_69d806affc688190a25b6ccc588e9c72 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98d34ff288190bdb550a019b7a470 |
completed | April 10, 2026, 11:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f70a35ccc88190881a7066b7af8fea |
completed | May 3, 2026, 8:41 a.m. |
Created at: April 9, 2026, 9:22 p.m.