Triple
T23077976
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burlington–Fort Madison rail corridor |
E575383
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object | Fort Madison, Iowa |
—
|
NE NERFINISHED |
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: Fort Madison, Iowa | Statement: [Burlington–Fort Madison rail corridor, connects, Fort Madison, Iowa]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fort Madison, Iowa Context triple: [Burlington–Fort Madison rail corridor, connects, Fort Madison, Iowa]
-
A.
Fort Madison
chosen
Fort Madison is a historic riverfront city in southeastern Iowa known for its Mississippi River port, 19th-century military fort heritage, and role as a regional transportation hub.
-
B.
Kalona, Iowa
Kalona, Iowa is a small city in southeastern Iowa known for its large Amish and Mennonite communities and rich agricultural heritage.
-
C.
Cedar Rapids, Iowa
Cedar Rapids, Iowa is the second-largest city in the state, known as a major economic and cultural hub of eastern Iowa with a strong manufacturing base and vibrant arts scene.
-
D.
Fort Dodge, Iowa
Fort Dodge, Iowa is a small industrial city in north-central Iowa known historically for its gypsum mining, manufacturing, and role as a regional commercial hub.
-
E.
Marquette, Iowa
Marquette, Iowa is a small city in northeastern Iowa along the Mississippi River, known as a gateway to Effigy Mounds National Monument and for its riverfront tourism.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e245be28d48190ad1348d5a73db37d |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f18c6455f48190b84eaecdead0d963 |
completed | April 29, 2026, 4:43 a.m. |
Created at: April 17, 2026, 3:56 p.m.