Triple

T2317603
Position Surface form Disambiguated ID Type / Status
Subject Eugene Airport E51101 entity
Predicate serves P98 FINISHED
Object Eugene–Springfield metropolitan area
The Eugene–Springfield metropolitan area is a population and economic center in western Oregon anchored by the cities of Eugene and Springfield.
 E258635 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: Eugene–Springfield metropolitan area | Statement: [Eugene Airport, serves, Eugene–Springfield metropolitan area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Eugene–Springfield metropolitan area
Context triple: [Eugene Airport, serves, Eugene–Springfield metropolitan area]
  • A. Tualatin Valley
    Tualatin Valley is a fertile, suburban and agricultural region in northwestern Oregon, known for its growing communities, vineyards, and proximity to the Portland metropolitan area.
  • B. Portland–Vancouver–Salem CSA
    The Portland–Vancouver–Salem CSA is a large multi-county combined statistical area in the Pacific Northwest centered on Portland, Oregon, and including surrounding urban and suburban regions in both Oregon and Washington.
  • C. Eugene, Oregon
    Eugene, Oregon is a mid-sized city in western Oregon known for its vibrant arts scene, outdoor recreation, and the University of Oregon.
  • D. Tualatin, Oregon
    Tualatin, Oregon is a suburban city in the Portland metropolitan area known for its residential communities, retail centers, and proximity to major regional employers.
  • E. Beaverton, Oregon
    Beaverton, Oregon is a major suburban city in the Portland metropolitan area known for its residential communities, tech industry presence, and proximity to Nike’s world headquarters.
  • 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: Eugene–Springfield metropolitan area
Triple: [Eugene Airport, serves, Eugene–Springfield metropolitan area]
Generated description
The Eugene–Springfield metropolitan area is a population and economic center in western Oregon anchored by the cities of Eugene and Springfield.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Eugene–Springfield metropolitan area
Target entity description: The Eugene–Springfield metropolitan area is a population and economic center in western Oregon anchored by the cities of Eugene and Springfield.
  • A. Tualatin Valley
    Tualatin Valley is a fertile, suburban and agricultural region in northwestern Oregon, known for its growing communities, vineyards, and proximity to the Portland metropolitan area.
  • B. Portland–Vancouver–Salem CSA
    The Portland–Vancouver–Salem CSA is a large multi-county combined statistical area in the Pacific Northwest centered on Portland, Oregon, and including surrounding urban and suburban regions in both Oregon and Washington.
  • C. Eugene, Oregon
    Eugene, Oregon is a mid-sized city in western Oregon known for its vibrant arts scene, outdoor recreation, and the University of Oregon.
  • D. Tualatin, Oregon
    Tualatin, Oregon is a suburban city in the Portland metropolitan area known for its residential communities, retail centers, and proximity to major regional employers.
  • E. Beaverton, Oregon
    Beaverton, Oregon is a major suburban city in the Portland metropolitan area known for its residential communities, tech industry presence, and proximity to Nike’s world headquarters.
  • 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_69a88b074b908190ae983dbca7757d88 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc62df2048190ac7a5ebc0a4139b2 completed March 7, 2026, 6:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae9610b420819095afb76347ddf9ee completed March 9, 2026, 9:42 a.m.
NEDg Description generation batch_69ae97406c588190855ecb6c9ed00bc9 completed March 9, 2026, 9:47 a.m.
NED2 Entity disambiguation (via description) batch_69ae97c82e8c8190a613444ea4ffb5a0 completed March 9, 2026, 9:50 a.m.
Created at: March 4, 2026, 7:49 p.m.