Triple

T2374059
Position Surface form Disambiguated ID Type / Status
Subject Ann Arbor E46153 entity
Predicate partOfMetropolitanArea P294 FINISHED
Object Ann Arbor metropolitan area
The Ann Arbor metropolitan area is a U.S. Census-defined region in southeastern Michigan centered on the city of Ann Arbor and its surrounding communities, known for its strong educational, research, and technology sectors.
 E46153 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: Ann Arbor metropolitan area | Statement: [Ann Arbor, partOfMetropolitanArea, Ann Arbor metropolitan area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ann Arbor metropolitan area
Context triple: [Ann Arbor, partOfMetropolitanArea, Ann Arbor metropolitan area]
  • A. Ann Arbor
    Ann Arbor is a vibrant college town in southeastern Michigan best known as the home of the University of Michigan and a center for education, research, and arts.
  • B. Portland, Michigan
    Portland, Michigan is a small city in Ionia County known for its historic downtown, multiple riverfront parks, and extensive network of pedestrian bridges and trails.
  • C. Saginaw–Midland–Bay City CSA
    The Saginaw–Midland–Bay City CSA is a U.S. Census-defined combined statistical area in central Michigan that groups together the interconnected metropolitan and micropolitan regions centered on the cities of Saginaw, Midland, and Bay City.
  • D. Southeast Michigan
    Southeast Michigan is a region anchored by Detroit that serves as the historic heart of the U.S. automotive industry and a major center for manufacturing and engineering.
  • E. Grand Rapids, Michigan
    Grand Rapids, Michigan is a mid-sized city in western Michigan known for its strong Dutch-American heritage, vibrant arts scene, and historic furniture manufacturing industry.
  • 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: Ann Arbor metropolitan area
Triple: [Ann Arbor, partOfMetropolitanArea, Ann Arbor metropolitan area]
Generated description
The Ann Arbor metropolitan area is a U.S. Census-defined region in southeastern Michigan centered on the city of Ann Arbor and its surrounding communities, known for its strong educational, research, and technology sectors.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ann Arbor metropolitan area
Target entity description: The Ann Arbor metropolitan area is a U.S. Census-defined region in southeastern Michigan centered on the city of Ann Arbor and its surrounding communities, known for its strong educational, research, and technology sectors.
  • A. Ann Arbor chosen
    Ann Arbor is a vibrant college town in southeastern Michigan best known as the home of the University of Michigan and a center for education, research, and arts.
  • B. Portland, Michigan
    Portland, Michigan is a small city in Ionia County known for its historic downtown, multiple riverfront parks, and extensive network of pedestrian bridges and trails.
  • C. Saginaw–Midland–Bay City CSA
    The Saginaw–Midland–Bay City CSA is a U.S. Census-defined combined statistical area in central Michigan that groups together the interconnected metropolitan and micropolitan regions centered on the cities of Saginaw, Midland, and Bay City.
  • D. Southeast Michigan
    Southeast Michigan is a region anchored by Detroit that serves as the historic heart of the U.S. automotive industry and a major center for manufacturing and engineering.
  • E. Grand Rapids, Michigan
    Grand Rapids, Michigan is a mid-sized city in western Michigan known for its strong Dutch-American heritage, vibrant arts scene, and historic furniture manufacturing industry.
  • F. None of above.

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_69a88a145268819083e2736cb835c696 completed March 4, 2026, 7:37 p.m.
NER Named-entity recognition batch_69abc791c4688190a4b8f0e540e84eb4 completed March 7, 2026, 6:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69af1776d8d08190a7aae0969019d8f7 completed March 9, 2026, 6:54 p.m.
NEDg Description generation batch_69af1b96b7608190b11f7324c06987bd completed March 9, 2026, 7:12 p.m.
NED2 Entity disambiguation (via description) batch_69af1c5c4cac81909a81463d38df0d8d completed March 9, 2026, 7:15 p.m.
Created at: March 4, 2026, 7:56 p.m.