Triple

T5919985
Position Surface form Disambiguated ID Type / Status
Subject Bill Kreutzmann E131675 entity
Predicate notableBandmate P33173 FINISHED
Object Brent Mydland
Brent Mydland was an American keyboardist, singer, and songwriter best known for his long tenure with the rock band the Grateful Dead from 1979 until his death in 1990.
E556228 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: Brent Mydland | Statement: [Bill Kreutzmann, notableBandmate, Brent Mydland]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brent Mydland
Context triple: [Bill Kreutzmann, notableBandmate, Brent Mydland]
  • A. Richie Furay
    Richie Furay is an American singer, songwriter, and guitarist best known as a founding member of the influential country rock band Poco and for his role in pioneering the country rock genre.
  • B. Randy Meisner
    Randy Meisner was an American bassist, singer, and songwriter best known as a founding member of the rock band Eagles and for singing lead on their hit "Take It to the Limit."
  • C. Chris Robinson
    Chris Robinson is an American music video and film director known for his visually distinctive work with major R&B and hip-hop artists.
  • D. Dale Crover
    Dale Crover is an American drummer best known for his long tenure with the Melvins and his early, influential recordings and performances with Nirvana.
  • E. Deryck Guyler
    Deryck Guyler was a British character actor and comedian best known for his roles in mid-20th-century radio and television sitcoms.
  • 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: Brent Mydland
Triple: [Bill Kreutzmann, notableBandmate, Brent Mydland]
Generated description
Brent Mydland was an American keyboardist, singer, and songwriter best known for his long tenure with the rock band the Grateful Dead from 1979 until his death in 1990.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brent Mydland
Target entity description: Brent Mydland was an American keyboardist, singer, and songwriter best known for his long tenure with the rock band the Grateful Dead from 1979 until his death in 1990.
  • A. Richie Furay
    Richie Furay is an American singer, songwriter, and guitarist best known as a founding member of the influential country rock band Poco and for his role in pioneering the country rock genre.
  • B. Randy Meisner
    Randy Meisner was an American bassist, singer, and songwriter best known as a founding member of the rock band Eagles and for singing lead on their hit "Take It to the Limit."
  • C. Chris Robinson
    Chris Robinson is an American music video and film director known for his visually distinctive work with major R&B and hip-hop artists.
  • D. Dale Crover
    Dale Crover is an American drummer best known for his long tenure with the Melvins and his early, influential recordings and performances with Nirvana.
  • E. Deryck Guyler
    Deryck Guyler was a British character actor and comedian best known for his roles in mid-20th-century radio and television sitcoms.
  • 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_69c0085a1ed08190a7e9a8b6323fd680 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c038019ea081908e652d74ff23f076 completed March 22, 2026, 6:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0c03a95688190bfd51d7ada1e538f completed March 23, 2026, 4:23 a.m.
NEDg Description generation batch_69c0c2513aa88190866a59e0b75ef93f completed March 23, 2026, 4:32 a.m.
NED2 Entity disambiguation (via description) batch_69c0c31cd8808190b2f5c7c83f2e4c72 completed March 23, 2026, 4:35 a.m.
Created at: March 22, 2026, 4 p.m.