Triple

T2690646
Position Surface form Disambiguated ID Type / Status
Subject Ypsilanti E58392 entity
Predicate partOfMetropolitanArea P294 FINISHED
Object Ann Arbor metropolitan area
The Ann Arbor metropolitan area is a Michigan urban region centered on the city of Ann Arbor and its surrounding communities, known for its university-driven economy, research institutions, and vibrant cultural life.
E304868 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: [Ypsilanti, 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: [Ypsilanti, partOfMetropolitanArea, Ann Arbor metropolitan area]
  • A. Grand Rapids metropolitan area
    The Grand Rapids metropolitan area is a populous urban region in western Michigan centered on the city of Grand Rapids and its surrounding communities, known for its diverse economy, cultural institutions, and outdoor recreation.
  • B. Detroit–Warren–Ann Arbor combined statistical area
    The Detroit–Warren–Ann Arbor combined statistical area is a large multi-county metropolitan region in southeastern Michigan centered on the cities of Detroit, Warren, and Ann Arbor, used by the U.S. Census Bureau for statistical and economic analysis.
  • C. Lansing–East Lansing metropolitan area
    The Lansing–East Lansing metropolitan area is a U.S. metropolitan region in central Michigan centered around the state capital Lansing and the nearby college town of East Lansing, home to Michigan State University.
  • D. 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.
  • E. 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.
  • 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: [Ypsilanti, partOfMetropolitanArea, Ann Arbor metropolitan area]
Generated description
The Ann Arbor metropolitan area is a Michigan urban region centered on the city of Ann Arbor and its surrounding communities, known for its university-driven economy, research institutions, and vibrant cultural life.
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 Michigan urban region centered on the city of Ann Arbor and its surrounding communities, known for its university-driven economy, research institutions, and vibrant cultural life.
  • A. Grand Rapids metropolitan area
    The Grand Rapids metropolitan area is a populous urban region in western Michigan centered on the city of Grand Rapids and its surrounding communities, known for its diverse economy, cultural institutions, and outdoor recreation.
  • B. Detroit–Warren–Ann Arbor combined statistical area
    The Detroit–Warren–Ann Arbor combined statistical area is a large multi-county metropolitan region in southeastern Michigan centered on the cities of Detroit, Warren, and Ann Arbor, used by the U.S. Census Bureau for statistical and economic analysis.
  • C. Lansing–East Lansing metropolitan area
    The Lansing–East Lansing metropolitan area is a U.S. metropolitan region in central Michigan centered around the state capital Lansing and the nearby college town of East Lansing, home to Michigan State University.
  • D. 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.
  • E. 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.
  • 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_69ab4ac269e481909cb317d79e68b75b completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abda0ba2208190ad87763ecbef8c3c completed March 7, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01d3d6a54819090068ef1807ca921 completed March 10, 2026, 1:31 p.m.
NEDg Description generation batch_69b01f73ff708190924f6e12d5688cc7 completed March 10, 2026, 1:41 p.m.
NED2 Entity disambiguation (via description) batch_69b020fe69b881909b576a5321126a7c completed March 10, 2026, 1:47 p.m.
Created at: March 6, 2026, 9:54 p.m.