Triple

T38195277

Position	Surface form	Disambiguated ID	Type / Status
Subject	East Eifel volcanic field	`E1005592`	entity
Predicate	youngestMajorEruption	`P2404`	FINISHED
Object	Laacher See eruption The Laacher See eruption was a massive volcanic event in present-day western Germany around 13,000 years ago that produced widespread ash fall across Europe and significantly impacted the Late Pleistocene climate and ecosystems.	`E2260197`	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: Laacher See eruption | Statement: [East Eifel volcanic field, youngestMajorEruption, Laacher See 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: Laacher See eruption
Triple: [East Eifel volcanic field, youngestMajorEruption, Laacher See eruption]

Generated description

The Laacher See eruption was a massive volcanic event in present-day western Germany around 13,000 years ago that produced widespread ash fall across Europe and significantly impacted the Late Pleistocene climate and ecosystems.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: youngestMajorEruption
Context triple: [East Eifel volcanic field, youngestMajorEruption, Laacher See eruption]

A. lastMajorEruptionIncludes
Indicates that the specified event or time period is part of, or falls within, the volcano’s most recent major eruption.
B. lastEruption chosen
Indicates the time or event corresponding to the most recent eruption associated with a given entity.
C. lastMajorEruptivePeriod
Indicates the most recent significant time span during which a volcano or eruptive system experienced major eruptive activity.
D. lastNotableEruptions
Indicates the most recent significant eruption events associated with a volcano or volcanic feature.
E. notableEruptionAge
Indicates the age or time period at which a notable volcanic eruption associated with an entity occurred.
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_69f76dbd22f48190940318cea061e8bb`	completed	May 3, 2026, 3:46 p.m.
NER	Named-entity recognition	`batch_69fcc42cbac48190b8d3e4c9ce140838`	completed	May 7, 2026, 4:56 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a417b43c908819094f774b4384ae16a`	completed	June 28, 2026, 7:51 p.m.
NEDg	Description generation	`batch_6a417fbe98e88190876febaf49474317`	completed	June 28, 2026, 8:10 p.m.
NED2	Entity disambiguation (via description)	`batch_6a41803ffc70819082a30a05c2b95f63`	completed	June 28, 2026, 8:12 p.m.
PD	Predicate disambiguation	`batch_69fcb0fc69c88190800453eb57a7e62c`	completed	May 7, 2026, 3:34 p.m.

Created at: May 3, 2026, 4:29 p.m.