Triple

T7854574
Position Surface form Disambiguated ID Type / Status
Subject Middletown, Ohio E182140 entity
Predicate notableCompanyHistory P61859 FINISHED
Object AK Steel Holding Corporation
AK Steel Holding Corporation is a major American steel manufacturer known for producing flat-rolled carbon, stainless, and electrical steel products for automotive, appliance, construction, and other industrial markets.
 E705868 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: AK Steel Holding Corporation | Statement: [Middletown, Ohio, notableCompanyHistory, AK Steel Holding Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: AK Steel Holding Corporation
Context triple: [Middletown, Ohio, notableCompanyHistory, AK Steel Holding Corporation]
  • A. Armco Steel
    Armco Steel was a major American steel manufacturing company historically significant for its large integrated mill operations and role in the industrial development of Middletown, Ohio.
  • B. Kaiser Steel
    Kaiser Steel was a major American steel-producing company that played a significant role in U.S. industrial and wartime production in the mid-20th century.
  • C. Ace Steel
    Ace Steel is an American professional wrestler and trainer best known for mentoring top stars like CM Punk and working behind the scenes in major wrestling promotions.
  • D. United States Steel International
    United States Steel International is a global engineering and construction arm of the U.S. steel industry that has been involved in designing major infrastructure projects worldwide.
  • E. United States Steel Corporation
    United States Steel Corporation is a major American steel-producing company formed in 1901 through the consolidation of several steel businesses, becoming the world’s first billion-dollar corporation.
  • 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: AK Steel Holding Corporation
Triple: [Middletown, Ohio, notableCompanyHistory, AK Steel Holding Corporation]
Generated description
AK Steel Holding Corporation is a major American steel manufacturer known for producing flat-rolled carbon, stainless, and electrical steel products for automotive, appliance, construction, and other industrial markets.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: AK Steel Holding Corporation
Target entity description: AK Steel Holding Corporation is a major American steel manufacturer known for producing flat-rolled carbon, stainless, and electrical steel products for automotive, appliance, construction, and other industrial markets.
  • A. Armco Steel
    Armco Steel was a major American steel manufacturing company historically significant for its large integrated mill operations and role in the industrial development of Middletown, Ohio.
  • B. Kaiser Steel
    Kaiser Steel was a major American steel-producing company that played a significant role in U.S. industrial and wartime production in the mid-20th century.
  • C. Ace Steel
    Ace Steel is an American professional wrestler and trainer best known for mentoring top stars like CM Punk and working behind the scenes in major wrestling promotions.
  • D. United States Steel International
    United States Steel International is a global engineering and construction arm of the U.S. steel industry that has been involved in designing major infrastructure projects worldwide.
  • E. United States Steel Corporation
    United States Steel Corporation is a major American steel-producing company formed in 1901 through the consolidation of several steel businesses, becoming the world’s first billion-dollar corporation.
  • 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_69ca82869ee08190b8f9040dbc2c0467 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb1a72cfdc8190a3186c4c2894f571 completed March 31, 2026, 12:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc5606caa08190b68ff051bb8ef64d completed March 31, 2026, 11:17 p.m.
NEDg Description generation batch_69cc5822581481908a143376bee599ec completed March 31, 2026, 11:26 p.m.
NED2 Entity disambiguation (via description) batch_69cc58f549388190ba6c8b41c0820cd6 completed March 31, 2026, 11:29 p.m.
Created at: March 30, 2026, 4:51 p.m.