Triple

T5875564
Position Surface form Disambiguated ID Type / Status
Subject Mastodon E130616 entity
Predicate hasRole P161 FINISHED
Object Brann Dailor – drums, vocals
Brann Dailor is an American drummer and vocalist best known as a founding member of the progressive metal band Mastodon, acclaimed for his complex, technical playing style and distinctive singing.
 E553518 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: Brann Dailor – drums, vocals | Statement: [Mastodon, hasRole, Brann Dailor – drums, vocals]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brann Dailor – drums, vocals
Context triple: [Mastodon, hasRole, Brann Dailor – drums, vocals]
  • A. Brandon Pertzborn – drums
    Brandon Pertzborn is an American rock drummer known for performing and recording with the punk rock band The Offspring.
  • B. Brian Downey (drummer)
    Brian Downey is an Irish drummer best known as a founding member of the hard rock band Thin Lizzy.
  • C. Lars Ulrich – drums
    Lars Ulrich is the Danish-born co-founder and longtime drummer of the influential heavy metal band Metallica.
  • D. David S. Field – drums
    David S. Field is a drummer known for performing on the "Bullets" EP.
  • E. Bryan Devendorf – drums, percussion
    Bryan Devendorf is an American drummer and percussionist best known as the rhythmic backbone of the indie rock band The National.
  • 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: Brann Dailor – drums, vocals
Triple: [Mastodon, hasRole, Brann Dailor – drums, vocals]
Generated description
Brann Dailor is an American drummer and vocalist best known as a founding member of the progressive metal band Mastodon, acclaimed for his complex, technical playing style and distinctive singing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Brann Dailor – drums, vocals
Target entity description: Brann Dailor is an American drummer and vocalist best known as a founding member of the progressive metal band Mastodon, acclaimed for his complex, technical playing style and distinctive singing.
  • A. Brandon Pertzborn – drums
    Brandon Pertzborn is an American rock drummer known for performing and recording with the punk rock band The Offspring.
  • B. Brian Downey (drummer)
    Brian Downey is an Irish drummer best known as a founding member of the hard rock band Thin Lizzy.
  • C. Lars Ulrich – drums
    Lars Ulrich is the Danish-born co-founder and longtime drummer of the influential heavy metal band Metallica.
  • D. David S. Field – drums
    David S. Field is a drummer known for performing on the "Bullets" EP.
  • E. Bryan Devendorf – drums, percussion
    Bryan Devendorf is an American drummer and percussionist best known as the rhythmic backbone of the indie rock band The National.
  • 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_69c0085523688190bfd487479ce819e6 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c035fc86308190851b282456bcd715 completed March 22, 2026, 6:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0b12242dc819093ccd41c9705dd72 completed March 23, 2026, 3:18 a.m.
NEDg Description generation batch_69c0b1e5cdc081908d0d2b76701d20ea completed March 23, 2026, 3:22 a.m.
NED2 Entity disambiguation (via description) batch_69c0b24d7d148190901e233d815d21ad completed March 23, 2026, 3:23 a.m.
Created at: March 22, 2026, 3:57 p.m.