Triple

T8966333
Position Surface form Disambiguated ID Type / Status
Subject Glenn L. Martin Company E214142 entity
Predicate operated P1688 FINISHED
Object Middle River aircraft plant
The Middle River aircraft plant was a major World War II–era manufacturing facility in Maryland known for producing military aircraft for the Glenn L. Martin Company.
E769854 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: Middle River aircraft plant | Statement: [Glenn L. Martin Company, operated, Middle River aircraft plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Middle River aircraft plant
Context triple: [Glenn L. Martin Company, operated, Middle River aircraft plant]
  • A. United States Air Force Plant 42
    United States Air Force Plant 42 is a major military and aerospace manufacturing and testing complex known for hosting classified and advanced aircraft development programs.
  • B. Willow Run Bomber Plant
    Willow Run Bomber Plant was a massive World War II-era aircraft manufacturing facility in Michigan that became famous for its assembly-line production of B-24 Liberator bombers.
  • C. Boeing airplane assembly plant
    The Boeing airplane assembly plant in Everett, Washington is one of the world’s largest manufacturing facilities, where Boeing builds wide-body commercial jets such as the 747, 767, 777, and 787 Dreamliner.
  • D. Packard Automotive Plant
    The Packard Automotive Plant is a historic former automobile manufacturing complex in Detroit, Michigan, renowned as an early icon of modern industrial architecture and large-scale car production.
  • E. Boeing Philadelphia facility
    The Boeing Philadelphia facility is a major manufacturing and engineering site where Boeing produces and supports military rotorcraft such as the CH-47 Chinook and V-22 Osprey.
  • 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: Middle River aircraft plant
Triple: [Glenn L. Martin Company, operated, Middle River aircraft plant]
Generated description
The Middle River aircraft plant was a major World War II–era manufacturing facility in Maryland known for producing military aircraft for the Glenn L. Martin Company.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Middle River aircraft plant
Target entity description: The Middle River aircraft plant was a major World War II–era manufacturing facility in Maryland known for producing military aircraft for the Glenn L. Martin Company.
  • A. United States Air Force Plant 42
    United States Air Force Plant 42 is a major military and aerospace manufacturing and testing complex known for hosting classified and advanced aircraft development programs.
  • B. Willow Run Bomber Plant
    Willow Run Bomber Plant was a massive World War II-era aircraft manufacturing facility in Michigan that became famous for its assembly-line production of B-24 Liberator bombers.
  • C. Boeing airplane assembly plant
    The Boeing airplane assembly plant in Everett, Washington is one of the world’s largest manufacturing facilities, where Boeing builds wide-body commercial jets such as the 747, 767, 777, and 787 Dreamliner.
  • D. Packard Automotive Plant
    The Packard Automotive Plant is a historic former automobile manufacturing complex in Detroit, Michigan, renowned as an early icon of modern industrial architecture and large-scale car production.
  • E. Boeing Philadelphia facility
    The Boeing Philadelphia facility is a major manufacturing and engineering site where Boeing produces and supports military rotorcraft such as the CH-47 Chinook and V-22 Osprey.
  • 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_69ca839cd6008190a1546a701a56710c completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc67623818819096aee155a9b43e8f completed April 1, 2026, 12:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfc95879c08190b0091548c8c00207 completed April 3, 2026, 2:06 p.m.
NEDg Description generation batch_69cfcb42e6ec8190b126163bf4472986 completed April 3, 2026, 2:14 p.m.
NED2 Entity disambiguation (via description) batch_69cfcbba82e88190b40e9721c835fff0 completed April 3, 2026, 2:16 p.m.
Created at: March 30, 2026, 7:01 p.m.