Koror–Babeldaob Bridge
E280443
The Koror–Babeldaob Bridge is a major roadway bridge in Palau that links the country’s most populous island, Koror, with its largest island, Babeldaob, serving as a critical transportation and economic lifeline.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Koror–Babeldaob Bridge canonical | 2 |
| Koror–Babelthuap Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2531652 — 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: Koror–Babeldaob Bridge Context triple: [Babeldaob, connectedBy, Koror–Babeldaob Bridge]
-
A.
Suramadu Bridge
Suramadu Bridge is a long cable-stayed bridge in Indonesia that connects the city of Surabaya on Java with Madura Island, serving as a major transportation and economic link.
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B.
Penang Bridge
Penang Bridge is a major cable-stayed toll bridge in Malaysia that connects Penang Island to the mainland and serves as one of the country’s most important transportation links.
-
C.
Mactan–Mandaue Bridge
The Mactan–Mandaue Bridge is a major road bridge in the Philippines that connects Mactan Island to mainland Cebu, facilitating significant commuter and commercial traffic in the region.
-
D.
Quezon Bridge
Quezon Bridge is a historic arch bridge in Manila, Philippines, that carries vehicular and pedestrian traffic across the Pasig River, linking the districts of Quiapo and Ermita.
-
E.
Ayala Bridge
Ayala Bridge is a historic road bridge in Manila, Philippines, connecting the districts of Ermita and San Miguel across the Pasig River.
- 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: Koror–Babeldaob Bridge Target entity description: The Koror–Babeldaob Bridge is a major roadway bridge in Palau that links the country’s most populous island, Koror, with its largest island, Babeldaob, serving as a critical transportation and economic lifeline.
-
A.
Suramadu Bridge
Suramadu Bridge is a long cable-stayed bridge in Indonesia that connects the city of Surabaya on Java with Madura Island, serving as a major transportation and economic link.
-
B.
Penang Bridge
Penang Bridge is a major cable-stayed toll bridge in Malaysia that connects Penang Island to the mainland and serves as one of the country’s most important transportation links.
-
C.
Mactan–Mandaue Bridge
The Mactan–Mandaue Bridge is a major road bridge in the Philippines that connects Mactan Island to mainland Cebu, facilitating significant commuter and commercial traffic in the region.
-
D.
Quezon Bridge
Quezon Bridge is a historic arch bridge in Manila, Philippines, that carries vehicular and pedestrian traffic across the Pasig River, linking the districts of Quiapo and Ermita.
-
E.
Ayala Bridge
Ayala Bridge is a historic road bridge in Manila, Philippines, connecting the districts of Ermita and San Miguel across the Pasig River.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
box girder bridge
ⓘ
bridge in Palau ⓘ road bridge ⓘ |
| alsoKnownAs |
KB Bridge
ⓘ
Koror–Babeldaob Bridge ⓘ
surface form:
Koror–Babelthuap Bridge
|
| casualties |
caused fatalities
ⓘ
caused injuries ⓘ |
| collapsed | 1996 ⓘ |
| connects |
Babeldaob
ⓘ
Koror ⓘ |
| constructionStart | 1970s ⓘ |
| country | Palau ⓘ |
| crosses | Toachel Mid Channel ⓘ |
| design | cantilever box girder ⓘ |
| designer |
Alfred A. Yee & Associates
ⓘ
Dyckerhoff & Widmann ⓘ |
| economicRole | critical economic lifeline for Palau ⓘ |
| function | carries road traffic ⓘ |
| impact |
caused power and water outages in Koror
ⓘ
disrupted transportation between Koror and Babeldaob ⓘ |
| importance | major transportation link between Koror and Babeldaob ⓘ |
| length | approximately 385 metres ⓘ |
| locatedIn |
Babeldaob Island
ⓘ
Koror Island ⓘ
surface form:
Koror State
Pacific Ocean region ⓘ |
| locationRelativeToCapital | near Ngerulmud on Babeldaob side ⓘ |
| locationRelativeToLargestCity | serves Koror, Palau’s most populous city ⓘ |
| mainSpanLength | approximately 240 metres ⓘ |
| material | prestressed concrete ⓘ |
| notableEvent | sudden collapse on 26 September 1996 ⓘ |
| opened | 1977 ⓘ |
| owner |
national government of Palau
ⓘ
surface form:
Government of Palau
|
| region | Oceania ⓘ |
| replacedBy | Japan–Palau Friendship Bridge ⓘ |
| replacedStructureName | Japan–Palau Friendship Bridge ⓘ |
| replacedStructureOpened | 2002 ⓘ |
| status | destroyed ⓘ |
| trafficType | vehicular traffic ⓘ |
| wasAmong | longest span concrete box girder bridges at time of completion ⓘ |
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: Koror–Babeldaob Bridge Description of subject: The Koror–Babeldaob Bridge is a major roadway bridge in Palau that links the country’s most populous island, Koror, with its largest island, Babeldaob, serving as a critical transportation and economic lifeline.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Koror–Babelthuap Bridge