Triple

T1135782
Position Surface form Disambiguated ID Type / Status
Subject Chugach Mountains E23135 entity
Predicate hasGlacier P4580 FINISHED
Object Matanuska Glacier
Matanuska Glacier is a large, easily accessible valley glacier in south-central Alaska, popular for its striking ice formations and guided glacier hikes.
 E166489 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: Matanuska Glacier | Statement: [Chugach Mountains, hasGlacier, Matanuska Glacier]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Matanuska Glacier
Context triple: [Chugach Mountains, hasGlacier, Matanuska Glacier]
  • A. Mendenhall Glacier
    Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
  • B. Valdez Glacier
    Valdez Glacier is a prominent valley glacier in Alaska known for its striking ice formations and accessibility near the town of Valdez.
  • C. Squaw Glacier
    Squaw Glacier is a mountain glacier located on the slopes of the Three Sisters volcanic peaks in the Cascade Range of Oregon.
  • D. Hotlum Glacier
    Hotlum Glacier is a prominent mountain glacier on the northeastern flank of Mount Shasta in California, known as one of the mountain’s largest and most active ice masses.
  • E. Portage Glacier
    Portage Glacier is a prominent valley glacier in Alaska known for its scenic lake, visitor center, and accessibility from the Anchorage area.
  • 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: Matanuska Glacier
Triple: [Chugach Mountains, hasGlacier, Matanuska Glacier]
Generated description
Matanuska Glacier is a large, easily accessible valley glacier in south-central Alaska, popular for its striking ice formations and guided glacier hikes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Matanuska Glacier
Target entity description: Matanuska Glacier is a large, easily accessible valley glacier in south-central Alaska, popular for its striking ice formations and guided glacier hikes.
  • A. Mendenhall Glacier
    Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
  • B. Valdez Glacier
    Valdez Glacier is a prominent valley glacier in Alaska known for its striking ice formations and accessibility near the town of Valdez.
  • C. Squaw Glacier
    Squaw Glacier is a mountain glacier located on the slopes of the Three Sisters volcanic peaks in the Cascade Range of Oregon.
  • D. Hotlum Glacier
    Hotlum Glacier is a prominent mountain glacier on the northeastern flank of Mount Shasta in California, known as one of the mountain’s largest and most active ice masses.
  • E. Portage Glacier
    Portage Glacier is a prominent valley glacier in Alaska known for its scenic lake, visitor center, and accessibility from the Anchorage area.
  • 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_69a493ec75988190b63a11bafaec29b4 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bc2300c481908c60fbb1188c37c5 completed March 1, 2026, 10:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0e5bc6348190a0d23fe269707e1b completed March 8, 2026, 5:51 a.m.
NEDg Description generation batch_69ad0eff5f7c81908e9bfdeb1819aa2a completed March 8, 2026, 5:54 a.m.
NED2 Entity disambiguation (via description) batch_69ad0f5c864c8190874a413ac67ba43a completed March 8, 2026, 5:55 a.m.
Created at: March 1, 2026, 7:44 p.m.