Vịnh Bắc Bộ
E199388
Vịnh Bắc Bộ is the Vietnamese name for the Gulf of Tonkin, a large marginal sea of the South China Sea located off the coasts of northern Vietnam and southern China.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Vịnh Bắc Bộ canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1752086 — 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: Vịnh Bắc Bộ Context triple: [Gulf of Tonkin, nameInVietnamese, Vịnh Bắc Bộ]
-
A.
Bering Sea
The Bering Sea is a marginal sea of the northern Pacific Ocean located between Alaska and Russia, known for its rich marine ecosystems, major fisheries, and historically significant shipping and exploration routes.
-
B.
Kara Sea
The Kara Sea is a marginal sea of the Arctic Ocean off northern Siberia, known for its harsh ice conditions, shallow waters, and proximity to major Russian river outlets like the Ob and Yenisei.
-
C.
Chukchi Sea
The Chukchi Sea is a marginal sea of the Arctic Ocean located between Alaska and Siberia, known for its icy waters, rich marine life, and strategic importance for Arctic shipping routes.
-
D.
Yoldia Sea
The Yoldia Sea was an early post-glacial brackish water stage of the Baltic basin that existed after the last Ice Age, named after the bivalve Yoldia arctica found in its sediments.
-
E.
Barents Sea
The Barents Sea is a marginal sea of the Arctic Ocean off the northern coasts of Norway and Russia, known for its rich fisheries, petroleum resources, and strategic geopolitical importance.
- 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: Vịnh Bắc Bộ Target entity description: Vịnh Bắc Bộ is the Vietnamese name for the Gulf of Tonkin, a large marginal sea of the South China Sea located off the coasts of northern Vietnam and southern China.
-
A.
Bering Sea
The Bering Sea is a marginal sea of the northern Pacific Ocean located between Alaska and Russia, known for its rich marine ecosystems, major fisheries, and historically significant shipping and exploration routes.
-
B.
Kara Sea
The Kara Sea is a marginal sea of the Arctic Ocean off northern Siberia, known for its harsh ice conditions, shallow waters, and proximity to major Russian river outlets like the Ob and Yenisei.
-
C.
Chukchi Sea
The Chukchi Sea is a marginal sea of the Arctic Ocean located between Alaska and Siberia, known for its icy waters, rich marine life, and strategic importance for Arctic shipping routes.
-
D.
Yoldia Sea
The Yoldia Sea was an early post-glacial brackish water stage of the Baltic basin that existed after the last Ice Age, named after the bivalve Yoldia arctica found in its sediments.
-
E.
Barents Sea
The Barents Sea is a marginal sea of the Arctic Ocean off the northern coasts of Norway and Russia, known for its rich fisheries, petroleum resources, and strategic geopolitical importance.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
gulf ⓘ marginal sea ⓘ |
| borderAgreement | 2000 Vietnam–China maritime boundary agreement in the Gulf of Tonkin ⓘ |
| coastOf |
Guangxi Province
ⓘ
surface form:
Guangxi
Ha Tinh Province ⓘ
surface form:
Hà Tĩnh Province
Hai Phong ⓘ
surface form:
Hải Phòng
Leizhou Peninsula ⓘ Nam Dinh Province ⓘ
surface form:
Nam Định Province
Nghe An Province ⓘ
surface form:
Nghệ An Province
Ninh Binh Province ⓘ
surface form:
Ninh Bình Province
Quang Ninh Province ⓘ
surface form:
Quảng Ninh Province
Thanh Hoa Province ⓘ
surface form:
Thanh Hóa Province
Thái Bình Province ⓘ miền Bắc Việt Nam ⓘ northern Vietnam ⓘ |
| connectsTo |
South China Sea
ⓘ
surface form:
Biển Đông
South China Sea ⓘ |
| countryBorder |
China
ⓘ
Viet Nam ⓘ
surface form:
Vietnam
|
| hasArea | approximately 126000 square kilometres ⓘ |
| hasAverageDepth | about 60 metres ⓘ |
| hasBay |
Bai Tu Long Bay
ⓘ
surface form:
Bái Tử Long Bay
Ha Long Bay ⓘ
surface form:
Hạ Long Bay
|
| hasChineseName |
Beibu Wan
ⓘ
surface form:
北部湾
|
| hasClimate | tropical monsoon climate ⓘ |
| hasDisputedArea | maritime boundary between Vietnam and China ⓘ |
| hasEnglishName | Gulf of Tonkin ⓘ |
| hasHistoricalEvent |
Gulf of Tonkin incident
ⓘ
naval engagements during the Vietnam War ⓘ |
| hasIsland |
Bạch Long Vĩ Island
ⓘ
Cat Ba Island ⓘ
surface form:
Cát Bà Island
Cô Tô Islands ⓘ |
| hasLocalName | Vịnh Bắc Bộ self-link ⓘ |
| hasMajorPort |
Beihai
ⓘ
Cẩm Phả ⓘ Hai Phong ⓘ
surface form:
Hải Phòng
|
| hasMaximumDepth | over 100 metres ⓘ |
| hasRiverMouth |
Cả River
ⓘ
Mã River ⓘ Red River ⓘ Thái Bình River ⓘ |
| isImportantFor |
Chinese fisheries
ⓘ
Vietnamese fisheries ⓘ energy exploration ⓘ regional shipping ⓘ |
| knownFor |
maritime trade routes
ⓘ
offshore oil and gas resources ⓘ rich fishing grounds ⓘ |
| locatedIn |
Southeast Asia
ⓘ
Tây Thái Bình Dương ⓘ western Pacific Ocean ⓘ Southeast Asia ⓘ
surface form:
Đông Nam Á
|
| partOf |
South China Sea
ⓘ
surface form:
Biển Đông
South China Sea ⓘ |
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: Vịnh Bắc Bộ Description of subject: Vịnh Bắc Bộ is the Vietnamese name for the Gulf of Tonkin, a large marginal sea of the South China Sea located off the coasts of northern Vietnam and southern China.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.