Triple
T20533954
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PPG Industries |
E504142
|
entity |
| Predicate | hasPredecessor |
P97
|
FINISHED |
| Object | Pittsburgh Plate Glass Company |
—
|
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: Pittsburgh Plate Glass Company | Statement: [PPG Industries, hasPredecessor, Pittsburgh Plate Glass Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh Plate Glass Company Context triple: [PPG Industries, hasPredecessor, Pittsburgh Plate Glass Company]
-
A.
Pittsburgh Plate Glass Company
chosen
Pittsburgh Plate Glass Company is a major American glass and coatings manufacturer, historically known as one of the world’s leading producers of flat glass and related industrial materials.
-
B.
Glenshaw Glass Company
Glenshaw Glass Company is an American glass manufacturing firm best known for its role as a respondent in the landmark U.S. Supreme Court tax case Commissioner v. Glenshaw Glass Co.
-
C.
Lorain Steel Company
Lorain Steel Company was an American steel manufacturer known for operating major steelworks in Lorain, Ohio, that contributed to the region’s industrial growth.
-
D.
Jones & Laughlin Steel Corporation
Jones & Laughlin Steel Corporation was a major American steel manufacturer that became historically significant as the company at the center of the landmark 1937 Supreme Court case NLRB v. Jones & Laughlin Steel Corp., which upheld federal power to regulate labor relations.
-
E.
Ball Brothers Glass Manufacturing Company
Ball Brothers Glass Manufacturing Company was an American manufacturer best known for producing Ball-branded glass canning jars and related glass products in the late 19th and early 20th centuries.
- 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_69e0b4b476648190bc6019622ae54d3c |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a06d30508190a13d1a9855b441fb |
completed | April 20, 2026, 9:53 p.m. |
Created at: April 16, 2026, 11:37 a.m.