Triple

T8544342
Position Surface form Disambiguated ID Type / Status
Subject Dream Theater E202282 entity
Predicate member P10 FINISHED
Object Mike Mangini
Mike Mangini is an American drummer renowned for his technical precision and speed, best known as the longtime drummer for the progressive metal band Dream Theater.
E740768 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: Mike Mangini | Statement: [Dream Theater, member, Mike Mangini]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mike Mangini
Context triple: [Dream Theater, member, Mike Mangini]
  • A. Eric Valentine
    Eric Valentine is an American record producer and engineer known for his work with rock bands such as Queens of the Stone Age, Smash Mouth, and Third Eye Blind.
  • B. Joel McNeely
    Joel McNeely is an American composer and conductor best known for his work on film and television scores, including numerous projects for Disney and other major studios.
  • C. Mitchell Froom
    Mitchell Froom is an American record producer and musician known for his innovative, atmospheric work with artists such as Crowded House, Suzanne Vega, and Los Lobos.
  • D. John Ottman
    John Ottman is an American film editor and composer best known for his long-time collaboration with director Bryan Singer on films such as "The Usual Suspects," the "X-Men" series, and "Superman Returns."
  • E. Michael Beinhorn
    Michael Beinhorn is an American record producer known for his work on influential rock and alternative albums by artists such as Soundgarden, Red Hot Chili Peppers, and Marilyn Manson.
  • 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: Mike Mangini
Triple: [Dream Theater, member, Mike Mangini]
Generated description
Mike Mangini is an American drummer renowned for his technical precision and speed, best known as the longtime drummer for the progressive metal band Dream Theater.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mike Mangini
Target entity description: Mike Mangini is an American drummer renowned for his technical precision and speed, best known as the longtime drummer for the progressive metal band Dream Theater.
  • A. Eric Valentine
    Eric Valentine is an American record producer and engineer known for his work with rock bands such as Queens of the Stone Age, Smash Mouth, and Third Eye Blind.
  • B. Joel McNeely
    Joel McNeely is an American composer and conductor best known for his work on film and television scores, including numerous projects for Disney and other major studios.
  • C. Mitchell Froom
    Mitchell Froom is an American record producer and musician known for his innovative, atmospheric work with artists such as Crowded House, Suzanne Vega, and Los Lobos.
  • D. John Ottman
    John Ottman is an American film editor and composer best known for his long-time collaboration with director Bryan Singer on films such as "The Usual Suspects," the "X-Men" series, and "Superman Returns."
  • E. Michael Beinhorn
    Michael Beinhorn is an American record producer known for his work on influential rock and alternative albums by artists such as Soundgarden, Red Hot Chili Peppers, and Marilyn Manson.
  • 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_69cbe6e4e21c8190afcbca73713a5fa8 completed March 31, 2026, 3:23 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.