Triple

T8544351
Position Surface form Disambiguated ID Type / Status
Subject Dream Theater E202282 entity
Predicate hasInstrumentRole P83234 FINISHED
Object Jordan Rudess – keyboards
Jordan Rudess is an American keyboardist and composer best known as the longtime virtuoso keyboard player for the progressive metal band Dream Theater.
 E740770 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: Jordan Rudess – keyboards | Statement: [Dream Theater, hasInstrumentRole, Jordan Rudess – keyboards]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jordan Rudess – keyboards
Context triple: [Dream Theater, hasInstrumentRole, Jordan Rudess – keyboards]
  • A. 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.
  • B. Adrian Belew
    Adrian Belew is an innovative American guitarist, singer, and songwriter best known for his experimental work with King Crimson and numerous other rock and avant-garde artists.
  • C. Dave Weckl
    Dave Weckl is an acclaimed American jazz fusion drummer renowned for his virtuosic technique and influential work with the Chick Corea Elektric Band and his own ensembles.
  • D. Billy Sheehan
    Billy Sheehan is a virtuoso American bassist known for his technically advanced playing and work with bands like Mr. Big, Talas, and David Lee Roth.
  • E. Trevor Rabin
    Trevor Rabin is a South African musician and composer best known as the former guitarist of the rock band Yes and as a prolific film score composer.
  • 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: Jordan Rudess – keyboards
Triple: [Dream Theater, hasInstrumentRole, Jordan Rudess – keyboards]
Generated description
Jordan Rudess is an American keyboardist and composer best known as the longtime virtuoso keyboard player for the progressive metal band Dream Theater.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jordan Rudess – keyboards
Target entity description: Jordan Rudess is an American keyboardist and composer best known as the longtime virtuoso keyboard player for the progressive metal band Dream Theater.
  • A. 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.
  • B. Adrian Belew
    Adrian Belew is an innovative American guitarist, singer, and songwriter best known for his experimental work with King Crimson and numerous other rock and avant-garde artists.
  • C. Dave Weckl
    Dave Weckl is an acclaimed American jazz fusion drummer renowned for his virtuosic technique and influential work with the Chick Corea Elektric Band and his own ensembles.
  • D. Billy Sheehan
    Billy Sheehan is a virtuoso American bassist known for his technically advanced playing and work with bands like Mr. Big, Talas, and David Lee Roth.
  • E. Trevor Rabin
    Trevor Rabin is a South African musician and composer best known as the former guitarist of the rock band Yes and as a prolific film score composer.
  • 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_69ca832461e88190a654c5e44e233aa8 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cc4578d9c8819096b3853d01c3ec11 completed March 31, 2026, 10:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce6dabf9908190bb61ad4ddb953902 completed April 2, 2026, 1:22 p.m.
NEDg Description generation batch_69ce6f02fabc819093b95e0d318c5649 completed April 2, 2026, 1:28 p.m.
NED2 Entity disambiguation (via description) batch_69ce6f9b12148190be55b3f5f2b518d9 completed April 2, 2026, 1:31 p.m.
Created at: March 30, 2026, 6:18 p.m.