Rama IX Bridge
E271284
The Rama IX Bridge is a major cable-stayed bridge in Bangkok, Thailand, notable for carrying traffic across the Chao Phraya River and commemorating King Bhumibol Adulyadej’s 60th birthday.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Bhumibol Bridge | 1 |
| Rama 9 Bridge | 1 |
| Rama IX Bridge canonical | 1 |
| สะพานพระราม 9 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2390257 — 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: Rama IX Bridge Context triple: [Chao Phraya River, hasBridge, Rama IX Bridge]
-
A.
Rama VIII Bridge
Rama VIII Bridge is a prominent cable-stayed bridge in Bangkok, Thailand, known for its distinctive single-pylon design and role as a major city landmark.
-
B.
Thai–Lao Friendship Bridge
The Thai–Lao Friendship Bridge is a major international bridge over the Mekong River linking Laos and Thailand, serving as a key transport and trade route between the two countries.
-
C.
Thai–Myanmar Friendship Bridge
The Thai–Myanmar Friendship Bridge is an international bridge spanning the Moei River that serves as a major border crossing and trade route between Thailand and Myanmar.
-
D.
Thu Thiem Bridge
Thu Thiem Bridge is a major road bridge in Ho Chi Minh City, Vietnam, connecting the city center with the Thu Thiem urban area in District 2.
-
E.
Thuan Phuoc Bridge
Thuan Phuoc Bridge is a large modern suspension bridge in Da Nang, Vietnam, known for spanning the Han River near its mouth and serving as a prominent city landmark.
- 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: Rama IX Bridge Target entity description: The Rama IX Bridge is a major cable-stayed bridge in Bangkok, Thailand, notable for carrying traffic across the Chao Phraya River and commemorating King Bhumibol Adulyadej’s 60th birthday.
-
A.
Rama VIII Bridge
Rama VIII Bridge is a prominent cable-stayed bridge in Bangkok, Thailand, known for its distinctive single-pylon design and role as a major city landmark.
-
B.
Thai–Lao Friendship Bridge
The Thai–Lao Friendship Bridge is a major international bridge over the Mekong River linking Laos and Thailand, serving as a key transport and trade route between the two countries.
-
C.
Thai–Myanmar Friendship Bridge
The Thai–Myanmar Friendship Bridge is an international bridge spanning the Moei River that serves as a major border crossing and trade route between Thailand and Myanmar.
-
D.
Thu Thiem Bridge
Thu Thiem Bridge is a major road bridge in Ho Chi Minh City, Vietnam, connecting the city center with the Thu Thiem urban area in District 2.
-
E.
Thuan Phuoc Bridge
Thuan Phuoc Bridge is a large modern suspension bridge in Da Nang, Vietnam, known for spanning the Han River near its mouth and serving as a prominent city landmark.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
bridge in Thailand
ⓘ
cable-stayed bridge ⓘ road bridge ⓘ |
| alsoKnownAs |
Rama 9 Bridge
ⓘ
linked to:
Rama IX Bridge
สะพานพระราม 9 ⓘ
linked to:
Rama IX Bridge
|
| carries | motor vehicles ⓘ |
| color | yellow pylons ⓘ |
| commemorates | 60th birthday of King Bhumibol Adulyadej ⓘ |
| constructionStart | 1984 ⓘ |
| country | Thailand ⓘ |
| crosses | Chao Phraya River ⓘ |
| crossesAt | southern part of Bangkok ⓘ |
| design | cable-stayed ⓘ |
| followedBy |
Bhumibol Bridge
ⓘ
linked to:
Rama IX Bridge
|
| hasSignificance |
first cable-stayed bridge in Thailand
ⓘ
major crossing of lower Chao Phraya River ⓘ |
| hasToll | yes ⓘ |
| hasType | cable-stayed road bridge ⓘ |
| locatedIn |
Bangkok
ⓘ
Rat Burana District ⓘ Yan Nawa District ⓘ |
| locatedInMetropolitanArea | Bangkok Metropolitan Region ⓘ |
| mainSpanLength | 450 m ⓘ |
| maintainedBy | Expressway Authority of Thailand ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| namedAfter | Bhumibol Adulyadej ⓘ |
| numberOfSpans | 3 ⓘ |
| numberOfTrafficLanes | 6 ⓘ |
| officialOpeningDate | 1987-12-05 ⓘ |
| opened | 1987 ⓘ |
| openedBy |
King Bhumibol Adulyadej
ⓘ
linked to:
Bhumibol Adulyadej
|
| openingDate | 1987-12-05 ⓘ |
| partOf |
Bangkok expressway network
ⓘ
linked to:
Bangkok road network
Rama IX Expressway section ⓘ |
| precededBy |
Krungthep Bridge
ⓘ
linked to:
Krung Thon Bridge
|
| pylonHeight | 87 m ⓘ |
| region | Central Thailand ⓘ |
| riverBank |
left bank of Chao Phraya River
ⓘ
right bank of Chao Phraya River ⓘ |
| symbolizes | reign of King Rama IX ⓘ |
| totalLength | 781 m ⓘ |
| usedFor | vehicular traffic ⓘ |
| width | 23.6 m ⓘ |
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: Rama IX Bridge Description of subject: The Rama IX Bridge is a major cable-stayed bridge in Bangkok, Thailand, notable for carrying traffic across the Chao Phraya River and commemorating King Bhumibol Adulyadej’s 60th birthday.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Rama IX Bridge
linked to: Rama IX Bridge
linked to: Rama IX Bridge