Triple
T11499
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Carnegie Mellon University |
E235
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object |
Pittsburgh, Pennsylvania
Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
|
E19280
|
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: Pittsburgh, Pennsylvania | Statement: [Carnegie Mellon University, locatedIn, Pittsburgh, Pennsylvania]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh, Pennsylvania Context triple: [Carnegie Mellon University, locatedIn, Pittsburgh, Pennsylvania]
-
A.
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.
-
B.
Homestead, Pennsylvania
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.
-
C.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
D.
Braddock, Pennsylvania
Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
-
E.
Columbus, Ohio
Columbus, Ohio is the capital and largest city of Ohio, known for its diverse economy, major universities, and role as a cultural and political center in the region.
- 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: Pittsburgh, Pennsylvania Triple: [Carnegie Mellon University, locatedIn, Pittsburgh, Pennsylvania]
Generated description
Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh, Pennsylvania Target entity description: Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
-
A.
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.
-
B.
Homestead, Pennsylvania
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.
-
C.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
D.
Braddock, Pennsylvania
Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
-
E.
Columbus, Ohio
Columbus, Ohio is the capital and largest city of Ohio, known for its diverse economy, major universities, and role as a cultural and political center in the region.
- 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_69a23d7ad88c8190bffe8ab091d86642 |
completed | Feb. 28, 2026, 12:57 a.m. |
| NER | Named-entity recognition | batch_69a23ff415ec819082ba80ed3859b71e |
completed | Feb. 28, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2d0beb4e0819094f538cfb51c1cb6 |
completed | Feb. 28, 2026, 11:25 a.m. |
| NEDg | Description generation | batch_69a2d12567308190985cb0526a2797b0 |
completed | Feb. 28, 2026, 11:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2d1d86b988190a64445c5a6c17f96 |
completed | Feb. 28, 2026, 11:30 a.m. |
Created at: Feb. 28, 2026, 1:02 a.m.