Triple

T10107316
Position Surface form Disambiguated ID Type / Status
Subject San Francisco volcanic field E216352 entity
Predicate youngestEruptionsAge P54977 FINISHED
Object about 900 years ago LITERAL FINISHED

How this triple was built (2 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: about 900 years ago | Statement: [San Francisco volcanic field, youngestEruptionsAge, about 900 years ago]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: youngestEruptionsAge
Context triple: [San Francisco volcanic field, youngestEruptionsAge, about 900 years ago]
  • A. notableEruptionAge
    Indicates the age or time period at which a notable volcanic eruption associated with an entity occurred.
  • B. lastEruption
    Indicates the time or event corresponding to the most recent eruption associated with a given entity.
  • C. lastEruptionApproximateDate chosen
    Indicates that the recorded date of the most recent eruption is an estimate rather than an exact, precisely known date.
  • D. lastEruptionStartDate
    Indicates the date on which the most recent eruption of the entity began.
  • E. youngestVolcanismLocation
    Indicates the location where the most recent or youngest volcanic activity associated with an entity occurs or is observed.
  • F. None of above.

Provenance (3 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_69ca83d039f08190b9d10363221c69fb completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cdd0ca7f7c8190ba7ed37940aa933d completed April 2, 2026, 2:13 a.m.
PD Predicate disambiguation batch_69cd4b9ed7e48190aa132ef8a69b49f9 completed April 1, 2026, 4:45 p.m.
Created at: March 30, 2026, 9:03 p.m.