Philadelphia street grid
E7897
The Philadelphia street grid is the historic, rectilinear urban layout of Philadelphia, designed in the 17th century by William Penn and surveyor Thomas Holme, that organizes the city into orderly, numbered north–south and named east–west streets.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Philadelphia street grid canonical | 9 |
| Center City street grid | 2 |
| Philadelphia numbered street system | 2 |
| North Philadelphia street grid | 1 |
| South Philadelphia street grid | 1 |
| street grid of Philadelphia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T92411 — 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: Philadelphia street grid Context triple: [Market Street (Philadelphia), partOf, Philadelphia street grid]
-
A.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
-
B.
Walnut Street
Walnut Street is a major commercial and cultural thoroughfare in Philadelphia, known for its shops, restaurants, and proximity to several universities in University City.
-
C.
University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
-
D.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
E.
Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
- 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: Philadelphia street grid Target entity description: The Philadelphia street grid is the historic, rectilinear urban layout of Philadelphia, designed in the 17th century by William Penn and surveyor Thomas Holme, that organizes the city into orderly, numbered north–south and named east–west streets.
-
A.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
-
B.
Walnut Street
Walnut Street is a major commercial and cultural thoroughfare in Philadelphia, known for its shops, restaurants, and proximity to several universities in University City.
-
C.
University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
-
D.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
E.
Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
city plan
ⓘ
historic urban layout ⓘ urban street grid ⓘ |
| appliesToJurisdiction |
Center City Philadelphia
ⓘ
Old City, Philadelphia ⓘ
surface form:
Old City Philadelphia
|
| coordinateSystem | rectilinear grid ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designer |
Thomas Holme
ⓘ
William Penn ⓘ |
| era | colonial America ⓘ |
| hasPart |
Arch Street
ⓘ
Broad Street (Philadelphia) ⓘ
surface form:
Broad Street
Chestnut Street ⓘ City Hall square ⓘ Delaware Avenue ⓘ Franklin Square vicinity ⓘ Front Street ⓘ Logan Square vicinity ⓘ Market Street ⓘ Pine Street ⓘ Race Street ⓘ Rittenhouse Square vicinity ⓘ Second Street ⓘ Spruce Street ⓘ Vine Street ⓘ Walnut Street ⓘ Washington Square ⓘ
surface form:
Washington Square vicinity
|
| inception |
1680s
ⓘ
17th century ⓘ |
| influencedBy |
Enlightenment rationalism
ⓘ
Renaissance planning ideas ⓘ |
| locatedIn | Philadelphia ⓘ |
| notableFeature |
central public squares
ⓘ
named east–west streets ⓘ numbered north–south streets ⓘ rectangular blocks ⓘ |
| planningGoal |
ease of navigation
ⓘ
fire safety ⓘ public health ⓘ |
| planningPrinciple |
orderly layout
ⓘ
rational city planning ⓘ regular blocks ⓘ |
| significantFor |
early American urban planning
ⓘ
influence on other American city grids ⓘ |
| state | Pennsylvania ⓘ |
| streetOrientation |
east–west named streets
ⓘ
north–south numbered streets ⓘ |
| topographicContext |
Delaware River waterfront
ⓘ
Schuylkill River ⓘ
surface form:
Schuylkill River vicinity
|
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: Philadelphia street grid Description of subject: The Philadelphia street grid is the historic, rectilinear urban layout of Philadelphia, designed in the 17th century by William Penn and surveyor Thomas Holme, that organizes the city into orderly, numbered north–south and named east–west streets.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Market Street (Philadelphia)
this entity surface form:
South Philadelphia street grid
subject surface form:
Second Street (Philadelphia)
this entity surface form:
Philadelphia numbered street system
this entity surface form:
Center City street grid
this entity surface form:
North Philadelphia street grid
this entity surface form:
Center City street grid
this entity surface form:
street grid of Philadelphia
this entity surface form:
Philadelphia numbered street system