Triple
T1189773
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Andrew W. Mellon |
E25330
|
entity |
| Predicate | owned |
P347
|
FINISHED |
| Object |
Koppers
Koppers is an American industrial company historically known for producing coal tar chemicals, treated wood products, and materials for the steel and aluminum industries.
|
E136211
|
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: Koppers | Statement: [Andrew W. Mellon, owned, Koppers]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Koppers Context triple: [Andrew W. Mellon, owned, Koppers]
-
A.
Thompson-Hayward Chemical Company
Thompson-Hayward Chemical Company was a U.S. chemical manufacturer known for being one of the producers of Agent Orange, the herbicide used extensively during the Vietnam War and later linked to serious health and environmental damage.
-
B.
Rohm and Haas
Rohm and Haas is a specialty chemicals company known for producing advanced materials and chemical products used in coatings, electronics, and industrial applications.
-
C.
DuPont
DuPont is a major American chemical company historically known for pioneering materials science innovations and playing a key role in U.S. industrial and wartime production.
-
D.
Diamond Shamrock
Diamond Shamrock was a U.S. petrochemical and energy company historically known for its role as a manufacturer of Agent Orange during the Vietnam War era.
-
E.
Revere Copper Company
Revere Copper Company is an American industrial firm historically known as one of the earliest and most influential copper rolling and manufacturing companies in the United States.
- 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: Koppers Triple: [Andrew W. Mellon, owned, Koppers]
Generated description
Koppers is an American industrial company historically known for producing coal tar chemicals, treated wood products, and materials for the steel and aluminum industries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Koppers Target entity description: Koppers is an American industrial company historically known for producing coal tar chemicals, treated wood products, and materials for the steel and aluminum industries.
-
A.
Thompson-Hayward Chemical Company
Thompson-Hayward Chemical Company was a U.S. chemical manufacturer known for being one of the producers of Agent Orange, the herbicide used extensively during the Vietnam War and later linked to serious health and environmental damage.
-
B.
Rohm and Haas
Rohm and Haas is a specialty chemicals company known for producing advanced materials and chemical products used in coatings, electronics, and industrial applications.
-
C.
DuPont
DuPont is a major American chemical company historically known for pioneering materials science innovations and playing a key role in U.S. industrial and wartime production.
-
D.
Diamond Shamrock
Diamond Shamrock was a U.S. petrochemical and energy company historically known for its role as a manufacturer of Agent Orange during the Vietnam War era.
-
E.
Revere Copper Company
Revere Copper Company is an American industrial firm historically known as one of the earliest and most influential copper rolling and manufacturing companies in the United States.
- 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_69a49427d98881908646d6c63b8cea1e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd57c3c481908bdca483fcaa3297 |
completed | March 1, 2026, 10:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac764ccb1c8190a302137a0e67cb88 |
completed | March 7, 2026, 7:02 p.m. |
| NEDg | Description generation | batch_69ac76e1b430819092669c6e83d7a62c |
completed | March 7, 2026, 7:05 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac77670fa08190827ef34ba9d52a70 |
completed | March 7, 2026, 7:07 p.m. |
Created at: March 1, 2026, 7:45 p.m.