Triple
T13233458
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh Railways |
E315078
|
entity |
| Predicate | cityServed |
P82
|
FINISHED |
| Object | Homestead, Pennsylvania |
E18238
|
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: Homestead, Pennsylvania | Statement: [Pittsburgh Railways, cityServed, Homestead, Pennsylvania]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Homestead, Pennsylvania Context triple: [Pittsburgh Railways, cityServed, Homestead, Pennsylvania]
-
A.
Homestead, Pennsylvania
chosen
Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
-
B.
Rosemont, Pennsylvania
Rosemont, Pennsylvania is a suburban community on Philadelphia’s Main Line known for its residential neighborhoods and proximity to local colleges.
-
C.
Houston, Pennsylvania
Houston, Pennsylvania is a small borough in southwestern Pennsylvania that forms part of the Pittsburgh metropolitan area.
-
D.
Conshohocken, Pennsylvania
Conshohocken, Pennsylvania is a suburban borough along the Schuylkill River near Philadelphia, known for its revitalized downtown, riverfront development, and role as a regional business and commuter hub.
-
E.
Bellefonte, Pennsylvania
Bellefonte, Pennsylvania is a historic borough in Centre County known for its Victorian architecture and role as a county seat near State College.
- 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_69f7460e94a08190a518f466f55db482 |
completed | May 3, 2026, 12:56 p.m. |
Created at: April 9, 2026, 9:22 p.m.