Triple

T6218292
Position Surface form Disambiguated ID Type / Status
Subject Ron "Pigpen" McKernan E139045 entity
Predicate burialPlace P196 FINISHED
Object Alta Mesa Memorial Park, Palo Alto, California, United States
Alta Mesa Memorial Park is a historic cemetery in Palo Alto, California, known as the resting place of several notable figures including Grateful Dead founding member Ron "Pigpen" McKernan.
E578648 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: Alta Mesa Memorial Park, Palo Alto, California, United States | Statement: [Ron "Pigpen" McKernan, burialPlace, Alta Mesa Memorial Park, Palo Alto, California, United States]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alta Mesa Memorial Park, Palo Alto, California, United States
Context triple: [Ron "Pigpen" McKernan, burialPlace, Alta Mesa Memorial Park, Palo Alto, California, United States]
  • A. Greenlawn Memorial Park, Colma, California, United States
    Greenlawn Memorial Park in Colma, California, is a cemetery known for being the final resting place of notable figures including former San Francisco mayor and California governor James Rolph.
  • B. Cypress Lawn Memorial Park, Colma, California, United States
    Cypress Lawn Memorial Park in Colma, California, is a historic cemetery known as the final resting place of many prominent figures, including media magnate William Randolph Hearst.
  • C. Desert Lawn Memorial Park, Palmdale, California, United States
    Desert Lawn Memorial Park in Palmdale, California is a cemetery and memorial park serving as a final resting place for local residents, including notable figures such as politician and test pilot Pete Knight.
  • D. Sunset Hills Memorial Park, Apple Valley, California, United States
    Sunset Hills Memorial Park in Apple Valley, California, is a cemetery best known as the final resting place of entertainer Dale Evans and her husband, singing cowboy Roy Rogers.
  • E. El Camino Memorial Park, San Diego, California, United States
    El Camino Memorial Park is a notable cemetery and memorial park in San Diego, California, known as the final resting place of several prominent figures including former NFL commissioner Pete Rozelle.
  • 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: Alta Mesa Memorial Park, Palo Alto, California, United States
Triple: [Ron "Pigpen" McKernan, burialPlace, Alta Mesa Memorial Park, Palo Alto, California, United States]
Generated description
Alta Mesa Memorial Park is a historic cemetery in Palo Alto, California, known as the resting place of several notable figures including Grateful Dead founding member Ron "Pigpen" McKernan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alta Mesa Memorial Park, Palo Alto, California, United States
Target entity description: Alta Mesa Memorial Park is a historic cemetery in Palo Alto, California, known as the resting place of several notable figures including Grateful Dead founding member Ron "Pigpen" McKernan.
  • A. Greenlawn Memorial Park, Colma, California, United States
    Greenlawn Memorial Park in Colma, California, is a cemetery known for being the final resting place of notable figures including former San Francisco mayor and California governor James Rolph.
  • B. Cypress Lawn Memorial Park, Colma, California, United States
    Cypress Lawn Memorial Park in Colma, California, is a historic cemetery known as the final resting place of many prominent figures, including media magnate William Randolph Hearst.
  • C. Desert Lawn Memorial Park, Palmdale, California, United States
    Desert Lawn Memorial Park in Palmdale, California is a cemetery and memorial park serving as a final resting place for local residents, including notable figures such as politician and test pilot Pete Knight.
  • D. Sunset Hills Memorial Park, Apple Valley, California, United States
    Sunset Hills Memorial Park in Apple Valley, California, is a cemetery best known as the final resting place of entertainer Dale Evans and her husband, singing cowboy Roy Rogers.
  • E. El Camino Memorial Park, San Diego, California, United States
    El Camino Memorial Park is a notable cemetery and memorial park in San Diego, California, known as the final resting place of several prominent figures including former NFL commissioner Pete Rozelle.
  • 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_69c008aecb0c81909984b48f733ce8ae completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c062a481908190a1418d9fcfaf8137 completed March 22, 2026, 9:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69c20dbbacf08190bbbb2863e19c3e7c completed March 24, 2026, 4:06 a.m.
NEDg Description generation batch_69c214980bbc8190b188b3c821ea13ea completed March 24, 2026, 4:35 a.m.
NED2 Entity disambiguation (via description) batch_69c2157d43048190a0376cdc9024c5f9 completed March 24, 2026, 4:39 a.m.
Created at: March 22, 2026, 4:21 p.m.