Triple
T21628962
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Land O’Corn |
E533776
|
entity |
| Predicate | primaryRoute |
P6298
|
FINISHED |
| Object | Chicago – Iowa |
—
|
NE NERFINISHED |
How this triple was built (3 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: Chicago – Iowa | Statement: [Land O’Corn, primaryRoute, Chicago – Iowa]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago – Iowa Context triple: [Land O’Corn, primaryRoute, Chicago – Iowa]
-
A.
Chicago–Omaha
Chicago–Omaha was a key Midwestern rail corridor linking Chicago, Illinois, with Omaha, Nebraska, and serving as an important route for both passenger and freight traffic.
-
B.
Chicago and Milwaukee
Chicago and Milwaukee are two major Midwestern U.S. cities located along the southwestern shore of Lake Michigan, known for their cultural, economic, and historical significance.
-
C.
Quad Cities (Iowa portion)
Quad Cities (Iowa portion) refers to the group of cities in eastern Iowa—primarily Davenport and Bettendorf—that, together with neighboring Illinois cities, make up the bi-state Quad Cities metropolitan area along the Mississippi River.
-
D.
Davenport, Iowa
Davenport, Iowa is a major city along the Mississippi River in eastern Iowa, known as part of the Quad Cities metropolitan area and a regional hub for commerce and culture.
-
E.
Des Moines, Iowa
Des Moines, Iowa is the capital and most populous city of Iowa, known as a major center for the U.S. insurance industry and regional finance.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago – Iowa Target entity description: Chicago–Iowa is a passenger rail route connecting Chicago with destinations in Iowa, historically associated with trains such as the Land O’Corn.
-
A.
Chicago–Omaha
Chicago–Omaha was a key Midwestern rail corridor linking Chicago, Illinois, with Omaha, Nebraska, and serving as an important route for both passenger and freight traffic.
-
B.
Chicago and Milwaukee
Chicago and Milwaukee are two major Midwestern U.S. cities located along the southwestern shore of Lake Michigan, known for their cultural, economic, and historical significance.
-
C.
Quad Cities (Iowa portion)
Quad Cities (Iowa portion) refers to the group of cities in eastern Iowa—primarily Davenport and Bettendorf—that, together with neighboring Illinois cities, make up the bi-state Quad Cities metropolitan area along the Mississippi River.
-
D.
Davenport, Iowa
Davenport, Iowa is a major city along the Mississippi River in eastern Iowa, known as part of the Quad Cities metropolitan area and a regional hub for commerce and culture.
-
E.
Des Moines, Iowa
Des Moines, Iowa is the capital and most populous city of Iowa, known as a major center for the U.S. insurance industry and regional finance.
- F. None of above. chosen
Provenance (2 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_69e0c464fba881908d0ff2ac80511ce1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef5214e72c8190af109089f58fca4f |
completed | April 27, 2026, 12:09 p.m. |
Created at: April 16, 2026, 6:34 p.m.