Triple
T2212191
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Duluth Iron Range Railway Company |
E50942
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Iron Range |
E115923
|
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: Iron Range | Statement: [Duluth Iron Range Railway Company, locatedIn, Iron Range]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iron Range Context triple: [Duluth Iron Range Railway Company, locatedIn, Iron Range]
-
A.
Iron Range region (Michigan)
The Iron Range region in Michigan is a historic iron ore mining district in the Upper Peninsula centered around communities like Marquette.
-
B.
Upper Peninsula of Michigan
The Upper Peninsula of Michigan is a sparsely populated, heavily forested region known for its rugged Canadian Shield landscapes, abundant lakes and minerals, and distinct cultural identity within the state.
-
C.
Calumet Region
The Calumet Region is an industrial and residential area around the southern tip of Lake Michigan, spanning parts of northwest Indiana and southeast Chicago, historically known for steel production, shipping, and heavy industry.
-
D.
Iron Range region of Minnesota
chosen
The Iron Range region of Minnesota is a historic mining area in northern Minnesota known for its rich iron ore deposits and strong labor and cultural heritage.
-
E.
Driftless Area
The Driftless Area is a distinctive region of the Upper Midwest in the United States known for its rugged, steep terrain and deep river valleys that escaped glaciation during the last Ice Age.
- 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_69a88b06709c8190978fb2418470d1b6 |
completed | March 4, 2026, 7:41 p.m. |
| NER | Named-entity recognition | batch_69abbfecea6c8190b762bbfda8490e31 |
completed | March 7, 2026, 6:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6af84b708190ac3170a343eb107f |
completed | March 9, 2026, 6:38 a.m. |
Created at: March 4, 2026, 7:46 p.m.