Triple
T12178207
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ann Arbor Area Transportation Authority |
E290143
|
entity |
| Predicate | serviceArea |
P82
|
FINISHED |
| Object | Ann Arbor–Ypsilanti region |
E304868
|
NE FINISHED |
How this triple was built (2 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–Ypsilanti region | Statement: [Ann Arbor Area Transportation Authority, serviceArea, Ann Arbor–Ypsilanti region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ann Arbor–Ypsilanti region Context triple: [Ann Arbor Area Transportation Authority, serviceArea, Ann Arbor–Ypsilanti region]
-
A.
Ann Arbor metropolitan area
chosen
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.
-
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.
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.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab4d6c00819095a9a7c35de83cfb |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d915fa6ff08190a1ddb3606c229cad |
completed | April 10, 2026, 3:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6717f930c8190ad4713f1040d552a |
completed | May 2, 2026, 9:49 p.m. |
Created at: April 8, 2026, 9:50 p.m.