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.