Triple

T26982506
Position Surface form Disambiguated ID Type / Status
Subject Alfvén waves E679640 entity
Predicate phaseVelocity P161124 FINISHED
Object Alfvén speed
Alfvén speed is the characteristic propagation speed of magnetohydrodynamic disturbances along magnetic field lines in a plasma, determined by the magnetic field strength and the plasma density.
 E1751759 NE FINISHED

How this triple was built (3 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: Alfvén speed | Statement: [Alfvén waves, phaseVelocity, Alfvén speed]
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: Alfvén speed
Triple: [Alfvén waves, phaseVelocity, Alfvén speed]
Generated description
Alfvén speed is the characteristic propagation speed of magnetohydrodynamic disturbances along magnetic field lines in a plasma, determined by the magnetic field strength and the plasma density.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: phaseVelocity
Context triple: [Alfvén waves, phaseVelocity, Alfvén speed]
  • A. propagationVelocityDependsOn chosen
    Indicates that the propagation velocity of a phenomenon is determined or influenced by another specified factor or set of factors.
  • B. phase
    Indicates that one entity is in a particular stage, step, or phase within a process, sequence, or lifecycle relative to another reference.
  • C. constantInVacuum
    Indicates that the related quantity remains unchanged when measured in a vacuum, independent of external conditions or context.
  • D. waveLength
    Indicates the distance between successive corresponding points (such as peaks) of a wave associated with the related entities.
  • E. hasPhaseCoefficient
    Indicates that one entity is associated with a numerical coefficient quantifying its phase-related behavior or contribution in a given process or system.
  • F. None of above.

Provenance (6 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_69eeeb5138ac8190b3c273ddc659a54f completed April 27, 2026, 4:51 a.m.
NER Named-entity recognition batch_69f621571b788190969da6a082eb93f6 completed May 2, 2026, 4:07 p.m.
NED1 Entity disambiguation (via context triple) batch_6a1229b269fc8190b6a82b04422b5483 completed May 23, 2026, 10:26 p.m.
NEDg Description generation batch_6a122a5774408190b156c205e764e896 completed May 23, 2026, 10:29 p.m.
NED2 Entity disambiguation (via description) batch_6a122b1ce9a48190935b3499f77d0a1e completed May 23, 2026, 10:33 p.m.
PD Predicate disambiguation batch_69f611af72ac819094598dd2530d7411 completed May 2, 2026, 3:01 p.m.
Created at: April 27, 2026, 6:46 a.m.