Triple

T2952758
Position Surface form Disambiguated ID Type / Status
Subject PCC streetcar E79857 entity
Predicate manufacturer P490 FINISHED
Object Clark Equipment Company
Clark Equipment Company is an American industrial manufacturer historically known for producing construction machinery, material handling equipment, and components such as streetcar bodies.
 E315081 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: Clark Equipment Company | Statement: [PCC streetcar, manufacturer, Clark Equipment Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Clark Equipment Company
Context triple: [PCC streetcar, manufacturer, Clark Equipment Company]
  • A. Hughes Tool Company
    Hughes Tool Company was an American industrial firm best known for manufacturing innovative oil drilling equipment and serving as the financial foundation of Howard Hughes’s business empire.
  • B. Osborn Engineering Company
    Osborn Engineering Company was an American engineering and architectural firm known for designing major sports stadiums and other large-scale structures in the early 20th century.
  • C. Steward Machine Company
    Steward Machine Company was an American manufacturing firm best known for its role as the petitioner in the landmark 1937 U.S. Supreme Court case Steward Machine Co. v. Davis, which upheld key provisions of the Social Security Act.
  • D. Litton Industries
    Litton Industries was a major American conglomerate best known for its diversified operations in electronics, defense, and industrial manufacturing during the mid-20th century.
  • E. Starrett Corporation
    Starrett Corporation is a prominent New York real estate development and construction firm known for major industrial and commercial projects in the early to mid-20th century.
  • 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: Clark Equipment Company
Triple: [PCC streetcar, manufacturer, Clark Equipment Company]
Generated description
Clark Equipment Company is an American industrial manufacturer historically known for producing construction machinery, material handling equipment, and components such as streetcar bodies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Clark Equipment Company
Target entity description: Clark Equipment Company is an American industrial manufacturer historically known for producing construction machinery, material handling equipment, and components such as streetcar bodies.
  • A. Hughes Tool Company
    Hughes Tool Company was an American industrial firm best known for manufacturing innovative oil drilling equipment and serving as the financial foundation of Howard Hughes’s business empire.
  • B. Osborn Engineering Company
    Osborn Engineering Company was an American engineering and architectural firm known for designing major sports stadiums and other large-scale structures in the early 20th century.
  • C. Steward Machine Company
    Steward Machine Company was an American manufacturing firm best known for its role as the petitioner in the landmark 1937 U.S. Supreme Court case Steward Machine Co. v. Davis, which upheld key provisions of the Social Security Act.
  • D. Litton Industries
    Litton Industries was a major American conglomerate best known for its diversified operations in electronics, defense, and industrial manufacturing during the mid-20th century.
  • E. Starrett Corporation
    Starrett Corporation is a prominent New York real estate development and construction firm known for major industrial and commercial projects in the early to mid-20th century.
  • 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_69ad8b1276588190a374a0b12e0f7bdf completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad98fe4b688190a0f68c4f80cd6f8f completed March 8, 2026, 3:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b0fc82d1248190869beffffc0bf956 completed March 11, 2026, 5:24 a.m.
NEDg Description generation batch_69b0fd25e07c819088b2b1bcef4cf54e completed March 11, 2026, 5:27 a.m.
NED2 Entity disambiguation (via description) batch_69b100ecbee081908832ddec0efdc751 completed March 11, 2026, 5:43 a.m.
Created at: March 8, 2026, 2:57 p.m.