Triple
T8544345
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dream Theater |
E202282
|
entity |
| Predicate | formerMember |
P1168
|
FINISHED |
| Object |
Derek Sherinian
Derek Sherinian is an American keyboardist and composer known for his virtuosic, rock-influenced playing style and work with bands such as Dream Theater, Planet X, and Sons of Apollo, as well as his extensive solo career.
|
E751679
|
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: Derek Sherinian | Statement: [Dream Theater, formerMember, Derek Sherinian]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Derek Sherinian Context triple: [Dream Theater, formerMember, Derek Sherinian]
-
A.
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.
-
B.
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.
-
C.
Dave Navarro
Dave Navarro is an American guitarist, singer, and songwriter best known for his work with the rock band Jane's Addiction and a stint with the Red Hot Chili Peppers.
-
D.
Troy Sanders
Troy Sanders is an American musician best known as the bassist and vocalist for the progressive metal band Mastodon.
-
E.
Mark Morton
Mark Morton was a prominent American industrialist and executive associated with the Morton Salt company and a notable member of the Morton family.
- 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: Derek Sherinian Triple: [Dream Theater, formerMember, Derek Sherinian]
Generated description
Derek Sherinian is an American keyboardist and composer known for his virtuosic, rock-influenced playing style and work with bands such as Dream Theater, Planet X, and Sons of Apollo, as well as his extensive solo career.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Derek Sherinian Target entity description: Derek Sherinian is an American keyboardist and composer known for his virtuosic, rock-influenced playing style and work with bands such as Dream Theater, Planet X, and Sons of Apollo, as well as his extensive solo career.
-
A.
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.
-
B.
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.
-
C.
Dave Navarro
Dave Navarro is an American guitarist, singer, and songwriter best known for his work with the rock band Jane's Addiction and a stint with the Red Hot Chili Peppers.
-
D.
Troy Sanders
Troy Sanders is an American musician best known as the bassist and vocalist for the progressive metal band Mastodon.
-
E.
Mark Morton
Mark Morton was a prominent American industrialist and executive associated with the Morton Salt company and a notable member of the Morton family.
- 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_69cef318417881908619e137f22c6b74 |
completed | April 2, 2026, 10:52 p.m. |
| NEDg | Description generation | batch_69cef4cbc0788190bf95aa8058a8d895 |
completed | April 2, 2026, 10:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cef830e4e48190bf337a526cc82119 |
completed | April 2, 2026, 11:13 p.m. |
Created at: March 30, 2026, 6:18 p.m.