Triple

T25713008
Position Surface form Disambiguated ID Type / Status
Subject Fagradalsfjall volcanic area E644783 entity
Predicate firstHistoricalEruption P15891 FINISHED
Object 2021 Fagradalsfjall eruption
The 2021 Fagradalsfjall eruption was a months-long fissure eruption on Iceland’s Reykjanes Peninsula that drew global attention for its accessible lava flows and marked the region’s first eruption in nearly 800 years.
 E1689660 NE FINISHED

How this triple was built (3 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: 2021 Fagradalsfjall eruption | Statement: [Fagradalsfjall volcanic area, firstHistoricalEruption, 2021 Fagradalsfjall eruption]
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: 2021 Fagradalsfjall eruption
Triple: [Fagradalsfjall volcanic area, firstHistoricalEruption, 2021 Fagradalsfjall eruption]
Generated description
The 2021 Fagradalsfjall eruption was a months-long fissure eruption on Iceland’s Reykjanes Peninsula that drew global attention for its accessible lava flows and marked the region’s first eruption in nearly 800 years.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: firstHistoricalEruption
Context triple: [Fagradalsfjall volcanic area, firstHistoricalEruption, 2021 Fagradalsfjall eruption]
  • A. firstRecordedEruption chosen
    Indicates the time or event of the earliest known or documented eruption associated with a volcano or eruptive feature.
  • B. eruptionStartDate
    Indicates the date on which an eruption event begins.
  • C. lastEruptionStartDate
    Indicates the date on which the most recent eruption of the entity began.
  • D. lastEruption
    Indicates the time or event corresponding to the most recent eruption associated with a given entity.
  • E. lastEruptionApproximateDate
    Indicates that the recorded date of the most recent eruption is an estimate rather than an exact, precisely known date.
  • F. None of above.

Provenance (6 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_69e77e83c8ec8190bf52fcdac4838984 completed April 21, 2026, 1:41 p.m.
NER Named-entity recognition batch_69fd231cab588190ad0953dc8f4af8f2 completed May 7, 2026, 11:41 p.m.
NED1 Entity disambiguation (via context triple) batch_6a10c1750e408190ad576d2e7ae27920 completed May 22, 2026, 8:49 p.m.
NEDg Description generation batch_6a10c2eee95481908b782308c2a2e5cc completed May 22, 2026, 8:56 p.m.
NED2 Entity disambiguation (via description) batch_6a10c36b20a0819084d94066362937ee completed May 22, 2026, 8:58 p.m.
PD Predicate disambiguation batch_69fd1aa3f1c481909fe6e9cab1383551 completed May 7, 2026, 11:05 p.m.
Created at: April 21, 2026, 9:19 p.m.