Triple

T17762067

Position	Surface form	Disambiguated ID	Type / Status
Subject	Neumayer Station III	`E443401`	entity
Predicate	location	`P40`	FINISHED
Object	Ekström Ice Shelf	`—`	NE NERFINISHED

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: Ekström Ice Shelf | Statement: [Neumayer Station III, location, Ekström Ice Shelf]

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

Target entity: Ekström Ice Shelf
Context triple: [Neumayer Station III, location, Ekström Ice Shelf]

A. Crosson Ice Shelf
Crosson Ice Shelf is a large Antarctic ice shelf located in the Amundsen Sea sector of West Antarctica, forming part of the region’s rapidly changing coastal ice front.
B. Riiser-Larsen Ice Shelf
The Riiser-Larsen Ice Shelf is a large Antarctic ice shelf fringing the coast of Queen Maud Land in the eastern part of the continent.
C. Dotson Ice Shelf
Dotson Ice Shelf is a floating extension of the West Antarctic Ice Sheet that drains into the Amundsen Sea and plays a significant role in regional ice loss and sea-level rise.
D. Lazarev Ice Shelf
Lazarev Ice Shelf is a coastal ice shelf fringing the coast of Queen Maud Land in East Antarctica, forming part of the region’s extensive ice-covered shoreline.
E. Getz Ice Shelf
Getz Ice Shelf is a large Antarctic ice shelf fringing the coast of Marie Byrd Land in the Amundsen Sea, known for its extensive calving front and contribution to regional ice loss.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Ekström Ice Shelf
Target entity description: Ekström Ice Shelf is a floating ice shelf on the coast of Queen Maud Land in Antarctica, known for hosting Germany’s Neumayer Station III research base.

A. Crosson Ice Shelf
Crosson Ice Shelf is a large Antarctic ice shelf located in the Amundsen Sea sector of West Antarctica, forming part of the region’s rapidly changing coastal ice front.
B. Riiser-Larsen Ice Shelf
The Riiser-Larsen Ice Shelf is a large Antarctic ice shelf fringing the coast of Queen Maud Land in the eastern part of the continent.
C. Dotson Ice Shelf
Dotson Ice Shelf is a floating extension of the West Antarctic Ice Sheet that drains into the Amundsen Sea and plays a significant role in regional ice loss and sea-level rise.
D. Lazarev Ice Shelf
Lazarev Ice Shelf is a coastal ice shelf fringing the coast of Queen Maud Land in East Antarctica, forming part of the region’s extensive ice-covered shoreline.
E. Getz Ice Shelf
Getz Ice Shelf is a large Antarctic ice shelf fringing the coast of Marie Byrd Land in the Amundsen Sea, known for its extensive calving front and contribution to regional ice loss.
F. None of above. chosen

Provenance (2 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_69d8b9edf16c8190a59ebd245d378f4f`	completed	April 10, 2026, 8:50 a.m.
NER	Named-entity recognition	`batch_69e485f887ac81908c896a50175692b9`	completed	April 19, 2026, 7:36 a.m.

Created at: April 10, 2026, 10:11 a.m.