SR 51
E678526
SR 51 is a major north–south freeway in the Phoenix, Arizona metropolitan area that connects downtown Phoenix with its northeastern suburbs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SR 51 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7612642 — 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: SR 51 Context triple: [Arizona State Route 51, abbreviation, SR 51]
-
A.
SR 55
SR 55 is a state highway in Georgia that serves as a regional connector route through several counties in the state.
-
B.
SR 57
SR 57 is a state highway in Ohio that serves as a regional connector route through several communities in the northern part of the state.
-
C.
SR 54
SR 54 is a state highway in Georgia that connects several communities in the western part of the state, including areas around Atlanta.
-
D.
SR 509
SR 509 is a state highway in Washington that serves as a key north–south route connecting cities in the Puget Sound region, including Tacoma and Seattle’s southern suburbs.
-
E.
SR 56
SR 56 is a state highway in Indiana that runs east–west across the southern part of the state, connecting several towns and regional routes.
- 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: SR 51 Target entity description: SR 51 is a major north–south freeway in the Phoenix, Arizona metropolitan area that connects downtown Phoenix with its northeastern suburbs.
-
A.
SR 55
SR 55 is a state highway in Georgia that serves as a regional connector route through several counties in the state.
-
B.
SR 57
SR 57 is a state highway in Ohio that serves as a regional connector route through several communities in the northern part of the state.
-
C.
SR 54
SR 54 is a state highway in Georgia that connects several communities in the western part of the state, including areas around Atlanta.
-
D.
SR 509
SR 509 is a state highway in Washington that serves as a key north–south route connecting cities in the Puget Sound region, including Tacoma and Seattle’s southern suburbs.
-
E.
SR 56
SR 56 is a state highway in Indiana that runs east–west across the southern part of the state, connecting several towns and regional routes.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
freeway
ⓘ
state highway ⓘ |
| category |
Freeways in Arizona
ⓘ
Transportation in Phoenix, Arizona ⓘ |
| completed | early 2000s ⓘ |
| connects |
downtown Phoenix
ⓘ
linked to:
Downtown Phoenix
northeastern suburbs of Phoenix ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| direction | north–south ⓘ |
| formerName |
Piestewa Freeway
ⓘ
Squaw Peak Parkway ⓘ |
| hasFeature | high-occupancy vehicle lanes ⓘ |
| hasJunctionWith |
Interstate 10
ⓘ
Loop 101 ⓘ Loop 202 ⓘ State Route 202 ⓘ |
| lanes | multiple lanes in each direction ⓘ |
| locatedIn |
Maricopa County, Arizona
ⓘ
Phoenix metropolitan area ⓘ |
| maintainedBy | Arizona Department of Transportation ⓘ |
| namedAfter | Lori Piestewa ⓘ |
| northernTerminus | near Loop 101 in north Phoenix ⓘ |
| openedInPart | 1980s ⓘ |
| partOf | Arizona State Highway System ⓘ |
| passesNear | Phoenix Mountains ⓘ |
| passesThrough | Phoenix, Arizona ⓘ |
| routeNumber | 51 ⓘ |
| routeType | State Route ⓘ |
| southernTerminus | near downtown Phoenix ⓘ |
| speedLimit | 55–65 mph (approximate) ⓘ |
| state | Arizona ⓘ |
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: SR 51 Description of subject: SR 51 is a major north–south freeway in the Phoenix, Arizona metropolitan area that connects downtown Phoenix with its northeastern suburbs.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.