Triple
T16645923
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | I-380 bridge over Iowa River |
E404469
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Cedar Rapids–Iowa City corridor |
E229903
|
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: Cedar Rapids–Iowa City corridor | Statement: [I-380 bridge over Iowa River, locatedIn, Cedar Rapids–Iowa City corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cedar Rapids–Iowa City corridor Context triple: [I-380 bridge over Iowa River, locatedIn, Cedar Rapids–Iowa City corridor]
-
A.
Iowa City–Cedar Rapids Corridor
chosen
The Iowa City–Cedar Rapids Corridor is a metropolitan region in eastern Iowa centered around the cities of Iowa City and Cedar Rapids, known for its intertwined economies, universities, and growing tech and service industries.
-
B.
Minneapolis–Bloomington corridor
The Minneapolis–Bloomington corridor is a major urban transit and development axis in Minnesota linking downtown Minneapolis with the city of Bloomington and key destinations such as the Mall of America.
-
C.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
-
D.
Omaha–Lincoln corridor
The Omaha–Lincoln corridor is a heavily traveled urban and economic region in eastern Nebraska linking the state’s two largest cities, Omaha and Lincoln, along the Interstate 80 corridor.
-
E.
Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
- 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_69d8838a41f08190b0c3f79c47df5078 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37ad59540819093765b7a67320f72 |
completed | April 18, 2026, 12:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0084bf0900819092db11456eb8e1c0 |
completed | May 10, 2026, 1:14 p.m. |
Created at: April 10, 2026, 5:18 a.m.