Triple
T5210954
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bismarck, North Dakota |
E117630
|
entity |
| Predicate | majorRiverFeature |
P36808
|
FINISHED |
| Object | Missouri River valley |
E174448
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Missouri River valley | Statement: [Bismarck, North Dakota, majorRiverFeature, Missouri River valley]
Disambiguation candidates (2 decisions)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Missouri River valley Context triple: [Bismarck, North Dakota, majorRiverFeature, Missouri River valley]
-
A.
Missouri River Basin
The Missouri River Basin is a vast drainage area in the central United States that collects water from the Missouri River and its tributaries across multiple states and parts of Canada.
-
B.
Mississippi River valley
The Mississippi River valley is a vast, fertile lowland region in the central United States shaped by the Mississippi River, historically crucial for agriculture, trade, and settlement.
-
C.
Missouri River
The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
-
D.
Missouri River floodplain
chosen
The Missouri River floodplain is a broad, low-lying valley along the Missouri River characterized by fertile soils, wetlands, and frequent flooding that shapes its agricultural and ecological landscape.
-
E.
Upper Mississippi Valley
The Upper Mississippi Valley is a region along the upper course of the Mississippi River, encompassing parts of several Midwestern U.S. states and historically significant for trade, settlement, and military activity.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: majorRiverFeature Context triple: [Bismarck, North Dakota, majorRiverFeature, Missouri River valley]
-
A.
riverFeatureType
Indicates the specific kind or category of physical or functional feature associated with a river (e.g., source, mouth, tributary, channel segment).
-
B.
hasMajorRiverSystem
chosen
Indicates that an entity possesses or is traversed by a primary, large-scale river network that significantly characterizes its hydrology or geography.
-
C.
majorRiverSource
Indicates that one entity is the primary originating source or headwaters location of a major river.
-
D.
isMajorWatercourseOf
Indicates that a watercourse is a primary or significant river or stream associated with, or flowing through, a particular geographic area or feature.
-
E.
riverSystem
Indicates that one entity is a river system to which the other entity belongs or is a component (such as a tributary or segment).
- F. None of above.
Provenance (4 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69bd4464ba3c8190bc16b2ebbe42ddb0 |
elicitation | completed |
| NER | batch_69bd7a703e388190845dedd17252ddde |
ner | completed |
| NED1 | batch_69bef7ffab8c81908e17e085727304b6 |
ned_source_triple | completed |
| PD | batch_69bd77bb4e8c819094b5ac7cf61512f9 |
pd | completed |
Created at: March 20, 2026, 1:47 p.m.