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.