Nanjing City Wall
E170350
The Nanjing City Wall is a massive Ming dynasty fortification encircling much of Nanjing, renowned as one of the longest and best-preserved ancient city walls in the world.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Nanjing City Wall canonical | 8 |
| Nanjing city wall | 2 |
| Historic Monuments of Nanjing | 1 |
| Nanjing city wall alignment | 1 |
| Nanjing city wall system | 1 |
| Nanjing city walls | 1 |
| city walls of Nanjing | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1498542 — 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: Nanjing City Wall Context triple: [Nanjing, hasLandmark, Nanjing City Wall]
-
A.
City Wall of Xi'an
The City Wall of Xi'an is one of the oldest, largest, and best-preserved ancient city walls in China, encircling the historic center of Xi'an with massive fortifications dating back to the Ming dynasty.
-
B.
Jiayuguan Pass
Jiayuguan Pass is a historic fortress and strategic western gateway of the Ming-era Great Wall of China, located at the narrowest point of the Hexi Corridor in Gansu Province.
-
C.
Parque de la Muralla
Parque de la Muralla is a public park in Lima, Peru, known for showcasing remnants of the city’s colonial defensive walls alongside landscaped green areas and cultural spaces.
-
D.
Great Wall of China
The Great Wall of China is an ancient, monumental series of fortifications stretching thousands of kilometers across northern China, built and rebuilt over centuries to protect Chinese states and empires from invasions.
-
E.
Tianmen
Tianmen is a county-level city in central China's Hubei province, known for its location on the fertile Jianghan Plain and its role as a regional agricultural and transport hub.
- 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: Nanjing City Wall Target entity description: The Nanjing City Wall is a massive Ming dynasty fortification encircling much of Nanjing, renowned as one of the longest and best-preserved ancient city walls in the world.
-
A.
City Wall of Xi'an
The City Wall of Xi'an is one of the oldest, largest, and best-preserved ancient city walls in China, encircling the historic center of Xi'an with massive fortifications dating back to the Ming dynasty.
-
B.
Jiayuguan Pass
Jiayuguan Pass is a historic fortress and strategic western gateway of the Ming-era Great Wall of China, located at the narrowest point of the Hexi Corridor in Gansu Province.
-
C.
Parque de la Muralla
Parque de la Muralla is a public park in Lima, Peru, known for showcasing remnants of the city’s colonial defensive walls alongside landscaped green areas and cultural spaces.
-
D.
Great Wall of China
The Great Wall of China is an ancient, monumental series of fortifications stretching thousands of kilometers across northern China, built and rebuilt over centuries to protect Chinese states and empires from invasions.
-
E.
Tianmen
Tianmen is a county-level city in central China's Hubei province, known for its location on the fertile Jianghan Plain and its role as a regional agricultural and transport hub.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
city wall
ⓘ
cultural heritage site ⓘ fortification ⓘ |
| architecturalStyle | Ming dynasty military architecture ⓘ |
| builtDuring | Ming dynasty ⓘ |
| commissionedBy |
Hongwu Emperor
ⓘ
Zhu Yuanzhang ⓘ
linked to:
Hongwu Emperor
|
| constructionEnd | 1386 ⓘ |
| constructionStart | 1366 ⓘ |
| country | China ⓘ |
| follows | contours of Nanjing’s inner city ⓘ |
| hasInscription | brick inscriptions recording brickmakers and locations ⓘ |
| hasPart |
Shence Gate
ⓘ
Taiping Gate ⓘ Xuanwu Gate ⓘ
linked to:
Zhonghua Gate
Zhonghua Gate ⓘ Zhongshan Gate ⓘ battlements ⓘ moat remains ⓘ various watchtowers ⓘ |
| height | up to about 21 meters ⓘ |
| heritageDesignation |
National Key Cultural Relics Protection Unit of China
ⓘ
Tentative List of UNESCO World Heritage Sites ⓘ
linked to:
UNESCO World Heritage tentative list
|
| length |
about 35 kilometers originally
ⓘ
over 25 kilometers preserved ⓘ |
| locatedIn |
China
ⓘ
Jiangsu Province ⓘ
linked to:
Jiangsu
Nanjing ⓘ |
| maintainedBy |
Nanjing municipal government
ⓘ
linked to:
Nanjing Municipal Government
|
| materialUsed |
brick
ⓘ
rammed earth ⓘ stone ⓘ |
| near |
Qinhuai River
ⓘ
Xuanwu Lake ⓘ |
| partOf |
Historic Monuments of Nanjing
ⓘ
linked to:
Nanjing City Wall
|
| purpose |
defense
ⓘ
protection of the Ming capital Nanjing ⓘ |
| significance |
important example of early Ming capital planning
ⓘ
one of the best-preserved ancient city walls in China ⓘ one of the longest city walls ever built ⓘ |
| status |
partially restored
ⓘ
partially ruined ⓘ |
| thickness | up to about 14 meters at base ⓘ |
| tourism | major tourist attraction in Nanjing ⓘ |
| usedFor |
cultural events
ⓘ
historical exhibitions ⓘ walking trails ⓘ |
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: Nanjing City Wall Description of subject: The Nanjing City Wall is a massive Ming dynasty fortification encircling much of Nanjing, renowned as one of the longest and best-preserved ancient city walls in the world.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nanjing City Wall
linked to: Nanjing City Wall
subject linked to:
Presidential Palace
linked to: Nanjing City Wall
linked to: Nanjing City Wall
linked to: Nanjing City Wall
linked to: Nanjing City Wall