NW St. Helens Road (U.S. Route 30 segment)
E246739
NW St. Helens Road (U.S. Route 30 segment) is a major arterial highway corridor in northwest Portland, Oregon, carrying U.S. Route 30 through the industrial and residential neighborhood of Linnton along the Willamette River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| NW St. Helens Road (U.S. Route 30 segment) canonical | 1 |
| U.S. Route 30 (Northwest St. Helens Road) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2239976 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NW St. Helens Road (U.S. Route 30 segment) Context triple: [Linnton, hasRoadName, NW St. Helens Road (U.S. Route 30 segment)]
-
A.
Oregon Route 31
Oregon Route 31 is a state highway in south-central Oregon that runs between U.S. Route 97 near La Pine and U.S. Route 395 near Valley Falls, providing access to several high desert lakes and natural attractions.
-
B.
Oregon Route 35
Oregon Route 35 is a state highway in Oregon that runs along the eastern side of Mount Hood, connecting the Columbia River Gorge area near Hood River with U.S. Route 26 in the Cascade Range.
-
C.
Oregon Route 38
Oregon Route 38 is a state highway in Oregon that runs east–west between the coast and Interstate 5, following the Umpqua River and serving as a key route through Douglas County.
-
D.
Oregon Route 3
Oregon Route 3 is a state highway in northeastern Oregon that connects the city of Enterprise to the Washington state line, serving as a key link through the Wallowa County region.
-
E.
Oregon Route 34
Oregon Route 34 is a state highway in western Oregon that connects the central Willamette Valley to the central Oregon Coast, passing through communities such as Corvallis.
- 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: NW St. Helens Road (U.S. Route 30 segment) Target entity description: NW St. Helens Road (U.S. Route 30 segment) is a major arterial highway corridor in northwest Portland, Oregon, carrying U.S. Route 30 through the industrial and residential neighborhood of Linnton along the Willamette River.
-
A.
Oregon Route 31
Oregon Route 31 is a state highway in south-central Oregon that runs between U.S. Route 97 near La Pine and U.S. Route 395 near Valley Falls, providing access to several high desert lakes and natural attractions.
-
B.
Oregon Route 35
Oregon Route 35 is a state highway in Oregon that runs along the eastern side of Mount Hood, connecting the Columbia River Gorge area near Hood River with U.S. Route 26 in the Cascade Range.
-
C.
Oregon Route 38
Oregon Route 38 is a state highway in Oregon that runs east–west between the coast and Interstate 5, following the Umpqua River and serving as a key route through Douglas County.
-
D.
Oregon Route 3
Oregon Route 3 is a state highway in northeastern Oregon that connects the city of Enterprise to the Washington state line, serving as a key link through the Wallowa County region.
-
E.
Oregon Route 34
Oregon Route 34 is a state highway in western Oregon that connects the central Willamette Valley to the central Oregon Coast, passing through communities such as Corvallis.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
arterial road
ⓘ
highway ⓘ road segment ⓘ |
| adjacentTo |
industrial areas of northwest Portland
ⓘ
residential areas of Linnton ⓘ |
| carries | U.S. Route 30 traffic ⓘ |
| connects |
Linnton neighborhood
ⓘ
northwest Portland industrial district ⓘ other segments of U.S. Route 30 in Oregon ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| followsWatercourse | Willamette River ⓘ |
| formsPartOf | regional east–west highway system in Oregon ⓘ |
| hasDirection | northwest–southeast alignment ⓘ |
| hasJurisdiction |
Portland city commissions
ⓘ
surface form:
City of Portland (local aspects)
|
| hasLanes | multiple motor vehicle lanes ⓘ |
| hasName |
Northwest St. Helens Road
ⓘ
surface form:
NW St. Helens Road
|
| hasRoadClassification | state highway ⓘ |
| isInNeighborhood | Linnton ⓘ |
| isInRegion | Pacific Northwest ⓘ |
| isOnShoreOf | Willamette River ⓘ |
| isPartOfCorridor | regional freight corridor in Portland ⓘ |
| isSignedAs |
US 30 through Portland
ⓘ
surface form:
US 30
|
| isWithin |
Willamette River
ⓘ
surface form:
Willamette River corridor
|
| locatedIn |
Multnomah County
ⓘ
surface form:
Multnomah County, Oregon
Portland, Oregon, United States ⓘ
surface form:
Portland, Oregon
Oregon ⓘ
surface form:
State of Oregon
Westside of Portland ⓘ
surface form:
northwest Portland, Oregon
|
| maintainedBy | Oregon Department of Transportation ⓘ |
| parallelTo |
Willamette River
ⓘ
surface form:
Willamette River shoreline
|
| partOf |
Portland street network
ⓘ
U.S. Route 30 ⓘ |
| passesThrough |
Linnton (across Willamette River)
ⓘ
surface form:
Linnton, Portland, Oregon
|
| roadType | urban arterial ⓘ |
| routeNumber | U.S. Route 30 ⓘ |
| serves |
Port of Portland–related industrial facilities
ⓘ
local access for Linnton residents ⓘ |
| usedFor |
commuter traffic
ⓘ
freight traffic ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: NW St. Helens Road (U.S. Route 30 segment) Description of subject: NW St. Helens Road (U.S. Route 30 segment) is a major arterial highway corridor in northwest Portland, Oregon, carrying U.S. Route 30 through the industrial and residential neighborhood of Linnton along the Willamette River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Linnton
Linnton (across Willamette River)
→
transportCorridor
→
NW St. Helens Road (U.S. Route 30 segment)
ⓘ
subject surface form:
Linnton
this entity surface form:
U.S. Route 30 (Northwest St. Helens Road)