Lombard Street
E12024
Lombard Street is a famous San Francisco roadway renowned for its steep, sharply winding “crooked” block lined with landscaped switchbacks and historic homes.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lombard Street canonical | 20 |
| Lombard Street (San Francisco) | 1 |
| Lombard Street in San Francisco | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11885 — 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: Lombard Street Context triple: [San Francisco, knownFor, Lombard Street]
-
A.
Market Street
Market Street is a major east–west thoroughfare in Philadelphia known for its commercial activity, transit connections, and role as a central artery of the city.
-
B.
Fifth Avenue
Fifth Avenue is a major thoroughfare in Manhattan renowned as one of the world’s premier shopping streets and a symbol of New York City’s luxury and culture.
-
C.
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.
-
D.
Spruce Street
Spruce Street is a major thoroughfare running through University City in Philadelphia, known for serving the nearby universities and residential neighborhoods.
-
E.
Chestnut Street
Chestnut Street is a major commercial and transportation corridor in Philadelphia that runs through University City and Center City, lined with shops, restaurants, and institutional buildings.
- 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: Lombard Street Target entity description: Lombard Street is a famous San Francisco roadway renowned for its steep, sharply winding “crooked” block lined with landscaped switchbacks and historic homes.
-
A.
Market Street
Market Street is a major east–west thoroughfare in Philadelphia known for its commercial activity, transit connections, and role as a central artery of the city.
-
B.
Fifth Avenue
Fifth Avenue is a major thoroughfare in Manhattan renowned as one of the world’s premier shopping streets and a symbol of New York City’s luxury and culture.
-
C.
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.
-
D.
Spruce Street
Spruce Street is a major thoroughfare running through University City in Philadelphia, known for serving the nearby universities and residential neighborhoods.
-
E.
Chestnut Street
Chestnut Street is a major commercial and transportation corridor in Philadelphia that runs through University City and Center City, lined with shops, restaurants, and institutional buildings.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
street
ⓘ
tourist attraction ⓘ |
| connectsTo |
Hyde Street
ⓘ
Leavenworth Street ⓘ
linked to:
Geary Street
|
| designCompletedIn | 1922 ⓘ |
| designedBy | City engineer Clyde Healy ⓘ |
| extendsFrom | The Embarcadero ⓘ |
| extendsTo | The Presidio of San Francisco vicinity ⓘ |
| famousFor | steep, crooked block with multiple switchbacks ⓘ |
| featuredIn |
films set in San Francisco
ⓘ
postcards and travel brochures ⓘ television shows set in San Francisco ⓘ |
| hasFeature |
historic residential buildings
ⓘ
landscaped switchbacks ⓘ ornamental gardens ⓘ sidewalk stairways for pedestrians ⓘ |
| hasMaximumGradeBeforeCurves | approximately 27 percent ⓘ |
| hasNameOrigin | named after Lombard Street in Philadelphia ⓘ |
| hasNearbyTransit | Powell–Hyde cable car line ⓘ |
| hasNickname | the crookedest street in the world ⓘ |
| hasNumberOfHairpinTurns | 8 ⓘ |
| hasPostalCode | 94133 ⓘ |
| hasSection | one-way downhill block between Hyde Street and Leavenworth Street ⓘ |
| hasSpeedLimit | 5 mph on the crooked block ⓘ |
| hasSurface | brick-paved roadway ⓘ |
| hasTrafficControl | seasonal measures to manage tourist congestion ⓘ |
| hasViewOf |
Alcatraz Island
ⓘ
Coit Tower ⓘ San Francisco Bay ⓘ |
| isMaintainedBy |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| isNotableAs |
iconic symbol of San Francisco’s hilly topography
ⓘ
one of San Francisco’s most photographed locations ⓘ |
| isPartOf | San Francisco street grid ⓘ |
| isPopularWith |
photographers
ⓘ
tourists ⓘ |
| isRegulatedBy |
San Francisco Municipal Transportation Agency
ⓘ
linked to:
San Francisco Muni
|
| isSubjectOf | debates about reservation or toll systems for cars ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Francisco ⓘ United States ⓘ
linked to:
United States of America
|
| openedIn | 1920s ⓘ |
| partOf |
Russian Hill neighborhood
ⓘ
linked to:
Russian Hill
|
| purposeOfCurves | to reduce the hill’s natural grade for vehicles ⓘ |
| roadDirection | one-way downhill ⓘ |
| touristActivities |
driving down the crooked block
ⓘ
taking photographs of the curves and gardens ⓘ walking along the sidewalks and stairs ⓘ |
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: Lombard Street Description of subject: Lombard Street is a famous San Francisco roadway renowned for its steep, sharply winding “crooked” block lined with landscaped switchbacks and historic homes.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Columbus Avenue
linked to: Lombard Street
linked to: Lombard Street
subject linked to:
San Francisco (via Wikimedia Foundation)
subject linked to:
San Francisco, California, United States of America
subject linked to:
Presidio Parkway (California State Route 1 / US 101)
subject linked to:
San Francisco (core company Tools for Humanity)