Triple

T4017346

Position	Surface form	Disambiguated ID	Type / Status
Subject	Easter Island volcanic complex	`E91194`	entity
Predicate	lastMajorActivity	`P40296`	FINISHED
Object	Holocene epoch	`E15266`	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: Holocene epoch | Statement: [Easter Island volcanic complex, lastMajorActivity, Holocene epoch]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Holocene epoch
Context triple: [Easter Island volcanic complex, lastMajorActivity, Holocene epoch]

A. Holocene chosen
The Holocene is the current geological epoch, beginning around 11,700 years ago, characterized by relatively stable climate conditions and the development of human civilizations.
B. Quaternary period
The Quaternary period is the most recent division of geologic time, characterized by repeated ice ages, the evolution and global spread of modern humans, and significant climatic fluctuations over the last 2.6 million years.
C. Pleistocene epoch
The Pleistocene epoch was a geological time period characterized by repeated ice ages, widespread glaciation, and the evolution and global spread of modern humans.
D. Pridoli Epoch
The Pridoli Epoch is the final epoch of the Silurian Period, marking a transitional interval in Earth’s history just before the onset of the Devonian.
E. Holocene climatic optimum
The Holocene climatic optimum was a warm period roughly 9,000–5,000 years ago when global temperatures, especially in the Northern Hemisphere, were higher than today, influencing the spread of forests and early human civilizations.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target predicate: lastMajorActivity
Context triple: [Easter Island volcanic complex, lastMajorActivity, Holocene epoch]

A. lastKnownActivity chosen
Indicates the most recent recorded action, event, or state associated with an entity.
B. majorActivity
Indicates that the related entity performs, participates in, or is primarily associated with a main or most significant activity.
C. lastAppearance
Indicates the most recent time or instance in which an entity appears or is present within a given context or sequence.
D. laterActivity
Indicates that one activity occurs after another in time, establishing a temporal ordering between them.
E. lastWork
Indicates that one entity is the most recent work (e.g., creation, project, or publication) associated with another entity.
F. None of above.

Provenance (4 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_69aed9618b04819081750d979d2af098`	completed	March 9, 2026, 2:29 p.m.
NER	Named-entity recognition	`batch_69aefaa85ac881909e46fb3d76a794af`	completed	March 9, 2026, 4:51 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b562922a8c8190b4090f734c11cebb`	completed	March 14, 2026, 1:28 p.m.
PD	Predicate disambiguation	`batch_69aef8fc78ec819092d4dab88d85a141`	completed	March 9, 2026, 4:44 p.m.

Created at: March 9, 2026, 3:35 p.m.