Triple

T24520498

Position	Surface form	Disambiguated ID	Type / Status
Subject	Alfred Cheetham	`E606510`	entity
Predicate	hasPartInEvent	`P149`	FINISHED
Object	Endurance trapped in pack ice "Endurance trapped in pack ice" refers to the dramatic 1915 episode during Sir Ernest Shackleton’s Imperial Trans-Antarctic Expedition when the ship Endurance became immobilized and ultimately crushed by Antarctic sea ice, stranding the crew.	`E1637178`	NE FINISHED

How this triple was built (2 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: Endurance trapped in pack ice | Statement: [Alfred Cheetham, hasPartInEvent, Endurance trapped in pack ice]

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: Endurance trapped in pack ice
Triple: [Alfred Cheetham, hasPartInEvent, Endurance trapped in pack ice]

Generated description

"Endurance trapped in pack ice" refers to the dramatic 1915 episode during Sir Ernest Shackleton’s Imperial Trans-Antarctic Expedition when the ship Endurance became immobilized and ultimately crushed by Antarctic sea ice, stranding the crew.

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_69e2c4c85778819085f5da9af3569ad5`	completed	April 17, 2026, 11:39 p.m.
NER	Named-entity recognition	`batch_69f2a871a6e481909b9fe76b65e2149e`	completed	April 30, 2026, 12:55 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0fee9526d48190885a1b31f40a1ad0`	completed	May 22, 2026, 5:50 a.m.
NEDg	Description generation	`batch_6a0fef3ca1e4819093c95f497eb37e82`	completed	May 22, 2026, 5:53 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0feff2170481909764b1d8ab9f0afc`	completed	May 22, 2026, 5:56 a.m.

Created at: April 18, 2026, 2:24 a.m.