Triple

T12605339
Position Surface form Disambiguated ID Type / Status
Subject Northern Volcanic Zone E300963 entity
Predicate hasNotableEruption P7369 FINISHED
Object 1999 Reventador eruption
The 1999 Reventador eruption was a significant explosive event of Ecuador’s Reventador volcano that produced substantial ash emissions and pyroclastic activity, impacting nearby regions and air traffic.
E995878 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: 1999 Reventador eruption | Statement: [Northern Volcanic Zone, hasNotableEruption, 1999 Reventador eruption]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1999 Reventador eruption
Context triple: [Northern Volcanic Zone, hasNotableEruption, 1999 Reventador eruption]
  • A. 1999–2000 Galeras eruptions
    The 1999–2000 Galeras eruptions were a series of explosive volcanic events at Colombia’s Galeras volcano that produced ash emissions, lava domes, and significant local hazards within the Northern Volcanic Zone of the Andes.
  • B. 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.
  • C. 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.
  • D. 2008 Chaitén eruption
    The 2008 Chaitén eruption was a major explosive volcanic event in southern Chile that produced extensive ash plumes, forced large-scale evacuations, and significantly reshaped the surrounding landscape.
  • E. 1949 Cumbre Vieja eruption
    The 1949 Cumbre Vieja eruption was a significant mid-20th-century volcanic event on La Palma in the Canary Islands, noted for its fissure eruptions, lava flows, and associated seismic activity.
  • 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: 1999 Reventador eruption
Triple: [Northern Volcanic Zone, hasNotableEruption, 1999 Reventador eruption]
Generated description
The 1999 Reventador eruption was a significant explosive event of Ecuador’s Reventador volcano that produced substantial ash emissions and pyroclastic activity, impacting nearby regions and air traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1999 Reventador eruption
Target entity description: The 1999 Reventador eruption was a significant explosive event of Ecuador’s Reventador volcano that produced substantial ash emissions and pyroclastic activity, impacting nearby regions and air traffic.
  • A. 1999–2000 Galeras eruptions
    The 1999–2000 Galeras eruptions were a series of explosive volcanic events at Colombia’s Galeras volcano that produced ash emissions, lava domes, and significant local hazards within the Northern Volcanic Zone of the Andes.
  • B. 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.
  • C. 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.
  • D. 2008 Chaitén eruption
    The 2008 Chaitén eruption was a major explosive volcanic event in southern Chile that produced extensive ash plumes, forced large-scale evacuations, and significantly reshaped the surrounding landscape.
  • E. 1949 Cumbre Vieja eruption
    The 1949 Cumbre Vieja eruption was a significant mid-20th-century volcanic event on La Palma in the Canary Islands, noted for its fissure eruptions, lava flows, and associated seismic activity.
  • 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_69d7bdea2ca881908f379526c13b1145 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d954e7f2dc8190a42cab7a0e5ea7f3 completed April 10, 2026, 7:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69f66869c0b08190b13bcebbe354cd98 completed May 2, 2026, 9:11 p.m.
NEDg Description generation batch_69f66a602f088190984fa3381b5be944 completed May 2, 2026, 9:19 p.m.
NED2 Entity disambiguation (via description) batch_69f66b18e68881908bf79ab52bcc909e completed May 2, 2026, 9:22 p.m.
Created at: April 9, 2026, 5:10 p.m.