Triple

T146551
Position Surface form Disambiguated ID Type / Status
Subject Falcon 1 E3342 entity
Predicate firstStageEngine P7194 FINISHED
Object Merlin 1A
Merlin 1A is the first-generation liquid-fueled rocket engine developed by SpaceX for early Falcon 1 launches.
E17423 NE FINISHED

How this triple was built (5 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: Merlin 1A | Statement: [Falcon 1, firstStageEngine, Merlin 1A]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Merlin 1A
Context triple: [Falcon 1, firstStageEngine, Merlin 1A]
  • A. ISOLDE
    ISOLDE is a CERN facility dedicated to producing and studying beams of radioactive isotopes for research in nuclear physics, astrophysics, and related fields.
  • B. Oberon
    Oberon is a modular, type-safe systems programming language designed by Niklaus Wirth as a streamlined successor to Pascal and Modula-2, emphasizing simplicity and efficiency.
  • C. Maia
    Maia is a figure from Greek mythology, one of the Pleiades and the mother of the god Hermes.
  • D. CP-140 Aurora
    The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
  • E. Voyager KC2
    Voyager KC2 is an Airbus A330-based multi-role tanker transport aircraft used by the Royal Air Force for air-to-air refuelling and strategic airlift operations.
  • 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: Merlin 1A
Triple: [Falcon 1, firstStageEngine, Merlin 1A]
Generated description
Merlin 1A is the first-generation liquid-fueled rocket engine developed by SpaceX for early Falcon 1 launches.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Merlin 1A
Target entity description: Merlin 1A is the first-generation liquid-fueled rocket engine developed by SpaceX for early Falcon 1 launches.
  • A. ISOLDE
    ISOLDE is a CERN facility dedicated to producing and studying beams of radioactive isotopes for research in nuclear physics, astrophysics, and related fields.
  • B. Oberon
    Oberon is a modular, type-safe systems programming language designed by Niklaus Wirth as a streamlined successor to Pascal and Modula-2, emphasizing simplicity and efficiency.
  • C. Maia
    Maia is a figure from Greek mythology, one of the Pleiades and the mother of the god Hermes.
  • D. CP-140 Aurora
    The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
  • E. Voyager KC2
    Voyager KC2 is an Airbus A330-based multi-role tanker transport aircraft used by the Royal Air Force for air-to-air refuelling and strategic airlift operations.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: firstStageEngine
Context triple: [Falcon 1, firstStageEngine, Merlin 1A]
  • A. typicalEngine
    Indicates that an entity is the standard or commonly used engine for another entity (such as a vehicle, device, or system).
  • B. firstStandardized
    Indicates that an entity is the earliest or primary instance to which a standard or uniform specification has been first applied among comparable entities.
  • C. firstDeployed
    Indicates the time or event when something (such as a system, product, or resource) was initially put into active use or operation.
  • D. firstDemonstrated
    Indicates that one entity was the earliest to show, prove, or exemplify a particular concept, method, or capability in relation to another entity or context.
  • E. firstStandardApproved
    Indicates that an entity is the earliest or initial standard that has received formal approval.
  • F. None of above. chosen

Provenance (7 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_69a252868de4819080e21c9938bfe8b6 completed Feb. 28, 2026, 2:27 a.m.
NER Named-entity recognition batch_69a258808ff08190a06b6206f635612b completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2c2763ce481908c12046de9003a84 completed Feb. 28, 2026, 10:24 a.m.
NEDg Description generation batch_69a2c2f02810819092e3263ac91b5fe3 completed Feb. 28, 2026, 10:26 a.m.
NED2 Entity disambiguation (via description) batch_69a2c369498481908c4213b04aea9c97 completed Feb. 28, 2026, 10:28 a.m.
PD Predicate disambiguation batch_69a256580c2c8190beecca60ca8595f3 completed Feb. 28, 2026, 2:43 a.m.
PDg Predicate description generation batch_69a2587e598c81909e1082b813971f48 completed Feb. 28, 2026, 2:52 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.