Triple
T1929424
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Eastern Iowa |
E40907
|
entity |
| Predicate | majorUrbanCorridor |
P24235
|
FINISHED |
| Object | Iowa City–Cedar Rapids corridor |
E53979
|
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: Iowa City–Cedar Rapids corridor | Statement: [Eastern Iowa, majorUrbanCorridor, Iowa City–Cedar Rapids corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iowa City–Cedar Rapids corridor Context triple: [Eastern Iowa, majorUrbanCorridor, Iowa City–Cedar Rapids corridor]
-
A.
Empire Corridor
The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
-
B.
Iowa Highway 44
Iowa Highway 44 is an east–west state highway in Iowa that runs across the central part of the state, connecting several rural communities and serving as a regional connector route.
-
C.
Cedar Rapids metropolitan area
chosen
The Cedar Rapids metropolitan area is a regional urban and economic hub in eastern Iowa centered on the city of Cedar Rapids and its surrounding counties.
-
D.
Panhandle Route
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
-
E.
Des Moines–West Des Moines metropolitan area
The Des Moines–West Des Moines metropolitan area is a major urban and economic hub in central Iowa centered on the state capital of Des Moines and its surrounding suburbs and counties.
- 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_69a8864711648190b07bed24ed76258e |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb266dcb4819090be83556615d0db |
completed | March 7, 2026, 5:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adfbb2cc988190a4046c17c8389996 |
completed | March 8, 2026, 10:44 p.m. |
Created at: March 4, 2026, 7:35 p.m.