Triple

T1274713
Position Surface form Disambiguated ID Type / Status
Subject Marshall Space Flight Center E15787 entity
Predicate hasFacility P105 FINISHED
Object Test Stand 4693
Test Stand 4693 is a rocket engine test facility at NASA’s Marshall Space Flight Center used for static firing and evaluation of propulsion systems.
 E145764 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: Test Stand 4693 | Statement: [Marshall Space Flight Center, hasFacility, Test Stand 4693]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Test Stand 4693
Context triple: [Marshall Space Flight Center, hasFacility, Test Stand 4693]
  • A. A-2 Test Stand
    The A-2 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
  • B. A-1 Test Stand
    A-1 Test Stand is a historic rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of major launch vehicle engines.
  • C. B-1 Test Stand
    The B-1 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
  • D. B-2 Test Stand
    The B-2 Test Stand is a large rocket engine test facility at NASA’s Stennis Space Center used for static firing and qualification of powerful space launch engines and stages.
  • E. Accelerator Test Facility
    The Accelerator Test Facility is a specialized research installation at Brookhaven National Laboratory dedicated to developing and testing advanced accelerator and beam physics technologies.
  • 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: Test Stand 4693
Triple: [Marshall Space Flight Center, hasFacility, Test Stand 4693]
Generated description
Test Stand 4693 is a rocket engine test facility at NASA’s Marshall Space Flight Center used for static firing and evaluation of propulsion systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Test Stand 4693
Target entity description: Test Stand 4693 is a rocket engine test facility at NASA’s Marshall Space Flight Center used for static firing and evaluation of propulsion systems.
  • A. A-2 Test Stand
    The A-2 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
  • B. A-1 Test Stand
    A-1 Test Stand is a historic rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of major launch vehicle engines.
  • C. B-1 Test Stand
    The B-1 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
  • D. B-2 Test Stand
    The B-2 Test Stand is a large rocket engine test facility at NASA’s Stennis Space Center used for static firing and qualification of powerful space launch engines and stages.
  • E. Accelerator Test Facility
    The Accelerator Test Facility is a specialized research installation at Brookhaven National Laboratory dedicated to developing and testing advanced accelerator and beam physics technologies.
  • 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c06ee22081908141868b57596e35 completed March 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69aca2f49a98819083dacff7e76ad195 completed March 7, 2026, 10:13 p.m.
NEDg Description generation batch_69aca38229108190b8cc2e0ef5bc8667 completed March 7, 2026, 10:15 p.m.
NED2 Entity disambiguation (via description) batch_69aca40068f08190a49f9cbb5c78b471 completed March 7, 2026, 10:17 p.m.
Created at: March 1, 2026, 7:50 p.m.