Triple

T16469262
Position Surface form Disambiguated ID Type / Status
Subject Lake Ilopango E400016 entity
Predicate notableEruption P7369 FINISHED
Object Ilopango eruption around 535 CE
The Ilopango eruption around 535 CE was a massive volcanic event in present-day El Salvador that likely contributed to global climatic anomalies and widespread societal disruptions in the mid-sixth century.
E1215412 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: Ilopango eruption around 535 CE | Statement: [Lake Ilopango, notableEruption, Ilopango eruption around 535 CE]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ilopango eruption around 535 CE
Context triple: [Lake Ilopango, notableEruption, Ilopango eruption around 535 CE]
  • A. 1971 Teneguía eruption
    The 1971 Teneguía eruption was a basaltic fissure eruption on the southern tip of La Palma in the Canary Islands, notable for its relatively mild explosive activity, extensive lava flows, and role in shaping the island’s modern volcanic landscape.
  • B. Chahorra eruption
    The Chahorra eruption was a historic volcanic event of Pico Viejo on Tenerife in the Canary Islands, notable for its lava flows and impact on the island’s landscape.
  • C. Neapolitan Yellow Tuff eruption
    The Neapolitan Yellow Tuff eruption was a major explosive volcanic event in the Campi Flegrei (Phlegraean Fields) near Naples, Italy, that produced extensive tuff deposits and significantly shaped the region’s geology and landscape.
  • D. Great Eruption
    The Great Eruption was a 19th-century stellar outburst of Eta Carinae that briefly made it one of the brightest stars in the sky and created the Homunculus Nebula.
  • E. Thera eruption
    The Thera eruption was a massive Bronze Age volcanic explosion on the Aegean island of Thera (Santorini) that devastated nearby regions and is often linked to the collapse of Minoan civilization.
  • 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: Ilopango eruption around 535 CE
Triple: [Lake Ilopango, notableEruption, Ilopango eruption around 535 CE]
Generated description
The Ilopango eruption around 535 CE was a massive volcanic event in present-day El Salvador that likely contributed to global climatic anomalies and widespread societal disruptions in the mid-sixth century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ilopango eruption around 535 CE
Target entity description: The Ilopango eruption around 535 CE was a massive volcanic event in present-day El Salvador that likely contributed to global climatic anomalies and widespread societal disruptions in the mid-sixth century.
  • A. 1971 Teneguía eruption
    The 1971 Teneguía eruption was a basaltic fissure eruption on the southern tip of La Palma in the Canary Islands, notable for its relatively mild explosive activity, extensive lava flows, and role in shaping the island’s modern volcanic landscape.
  • B. Chahorra eruption
    The Chahorra eruption was a historic volcanic event of Pico Viejo on Tenerife in the Canary Islands, notable for its lava flows and impact on the island’s landscape.
  • C. Neapolitan Yellow Tuff eruption
    The Neapolitan Yellow Tuff eruption was a major explosive volcanic event in the Campi Flegrei (Phlegraean Fields) near Naples, Italy, that produced extensive tuff deposits and significantly shaped the region’s geology and landscape.
  • D. Great Eruption
    The Great Eruption was a 19th-century stellar outburst of Eta Carinae that briefly made it one of the brightest stars in the sky and created the Homunculus Nebula.
  • E. Thera eruption
    The Thera eruption was a massive Bronze Age volcanic explosion on the Aegean island of Thera (Santorini) that devastated nearby regions and is often linked to the collapse of Minoan civilization.
  • 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_69d87f2dac988190b74d6e185fa88ba4 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32dcfed6c8190b8dbe4b65b0ab817 completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f5af4308190bd023624de35027f completed May 10, 2026, 9:26 a.m.
NEDg Description generation batch_6a0050c5d4548190a674c1c19f08a9fd completed May 10, 2026, 9:32 a.m.
NED2 Entity disambiguation (via description) batch_6a0051a7ae208190b33d42cc8d4bb21f completed May 10, 2026, 9:36 a.m.
Created at: April 10, 2026, 5:11 a.m.