Triple

T20588880
Position Surface form Disambiguated ID Type / Status
Subject John Petrucci E505859 entity
Predicate hasSignatureInstrument P933 FINISHED
Object Music Man John Petrucci signature guitar
The Music Man John Petrucci signature guitar is a high-performance electric guitar designed in collaboration with Dream Theater’s virtuoso guitarist, featuring fast playability, advanced hardware, and versatile tonal options tailored for progressive rock and metal.
 E505859 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: Music Man John Petrucci signature guitar | Statement: [John Petrucci, hasSignatureInstrument, Music Man John Petrucci signature guitar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Music Man John Petrucci signature guitar
Context triple: [John Petrucci, hasSignatureInstrument, Music Man John Petrucci signature guitar]
  • A. John Mitchell – guitars
    John Mitchell is a British guitarist best known for his work in progressive rock bands such as Arena, Frost*, and It Bites.
  • B. PRS guitars
    PRS guitars is a high-end American guitar manufacturer known for its meticulously crafted electric guitars that blend classic design elements with modern innovations and premium materials.
  • C. John Petrucci
    John Petrucci is an American guitarist best known as a founding member and primary songwriter of the progressive metal band Dream Theater, renowned for his technical virtuosity and complex compositions.
  • D. Hydra triple-neck guitar
    The Hydra triple-neck guitar is Steve Vai’s custom-built, futuristic multi-neck instrument that combines guitar, bass, and harp-like strings into a single elaborate performance piece.
  • E. Gretsch Duane Eddy signature guitar
    The Gretsch Duane Eddy signature guitar is a hollow-body electric model designed in collaboration with rock-and-roll pioneer Duane Eddy, tailored for his distinctive twangy lead guitar sound.
  • 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: Music Man John Petrucci signature guitar
Triple: [John Petrucci, hasSignatureInstrument, Music Man John Petrucci signature guitar]
Generated description
The Music Man John Petrucci signature guitar is a high-performance electric guitar designed in collaboration with Dream Theater’s virtuoso guitarist, featuring fast playability, advanced hardware, and versatile tonal options tailored for progressive rock and metal.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Music Man John Petrucci signature guitar
Target entity description: The Music Man John Petrucci signature guitar is a high-performance electric guitar designed in collaboration with Dream Theater’s virtuoso guitarist, featuring fast playability, advanced hardware, and versatile tonal options tailored for progressive rock and metal.
  • A. John Mitchell – guitars
    John Mitchell is a British guitarist best known for his work in progressive rock bands such as Arena, Frost*, and It Bites.
  • B. PRS guitars
    PRS guitars is a high-end American guitar manufacturer known for its meticulously crafted electric guitars that blend classic design elements with modern innovations and premium materials.
  • C. John Petrucci chosen
    John Petrucci is an American guitarist best known as a founding member and primary songwriter of the progressive metal band Dream Theater, renowned for his technical virtuosity and complex compositions.
  • D. Hydra triple-neck guitar
    The Hydra triple-neck guitar is Steve Vai’s custom-built, futuristic multi-neck instrument that combines guitar, bass, and harp-like strings into a single elaborate performance piece.
  • E. Gretsch Duane Eddy signature guitar
    The Gretsch Duane Eddy signature guitar is a hollow-body electric model designed in collaboration with rock-and-roll pioneer Duane Eddy, tailored for his distinctive twangy lead guitar sound.
  • F. None of above.

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_69e0b4b9669c8190b8e81fc72817d42c completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a979e4a48190a948165fb0f3b265 completed April 20, 2026, 10:32 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08b3e61f888190b805b7d19d673536 completed May 16, 2026, 6:13 p.m.
NEDg Description generation batch_6a08b4a7779481909b5bf6e99e632841 completed May 16, 2026, 6:17 p.m.
NED2 Entity disambiguation (via description) batch_6a08b57ff3e48190952c973726821e2b completed May 16, 2026, 6:20 p.m.
Created at: April 16, 2026, 11:40 a.m.