Bank of Ceylon Tower
E555039
Bank of Ceylon Tower is a prominent high-rise office skyscraper in Colombo, Sri Lanka, serving as the headquarters of the state-owned Bank of Ceylon and a notable landmark in the city’s skyline.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bank of Ceylon Tower canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5874402 — 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: Bank of Ceylon Tower Context triple: [Colombo Fort, contains, Bank of Ceylon Tower]
-
A.
Colombo World Trade Center
The Colombo World Trade Center is a prominent twin-tower commercial skyscraper complex in central Colombo, Sri Lanka, housing offices, businesses, and international trade facilities.
-
B.
Galle Clock Tower
The Galle Clock Tower is a prominent 19th-century clock tower and landmark situated within the historic Galle Fort in Sri Lanka.
-
C.
Old Colombo Lighthouse (Clock Tower)
The Old Colombo Lighthouse (Clock Tower) is a historic 19th-century clock tower in Colombo, Sri Lanka, that once served as both a timekeeping landmark and a lighthouse guiding ships into the harbor.
-
D.
Queen's House, Colombo
Queen's House, Colombo is a historic colonial-era mansion in Sri Lanka that served as the official residence of the British Governor of Ceylon and later the country's heads of state.
-
E.
Parliament Building, Colombo
Parliament Building, Colombo is a historic colonial-era legislative complex in Sri Lanka that long served as the seat of the country’s national parliament.
- 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: Bank of Ceylon Tower Target entity description: Bank of Ceylon Tower is a prominent high-rise office skyscraper in Colombo, Sri Lanka, serving as the headquarters of the state-owned Bank of Ceylon and a notable landmark in the city’s skyline.
-
A.
Colombo World Trade Center
The Colombo World Trade Center is a prominent twin-tower commercial skyscraper complex in central Colombo, Sri Lanka, housing offices, businesses, and international trade facilities.
-
B.
Galle Clock Tower
The Galle Clock Tower is a prominent 19th-century clock tower and landmark situated within the historic Galle Fort in Sri Lanka.
-
C.
Old Colombo Lighthouse (Clock Tower)
The Old Colombo Lighthouse (Clock Tower) is a historic 19th-century clock tower in Colombo, Sri Lanka, that once served as both a timekeeping landmark and a lighthouse guiding ships into the harbor.
-
D.
Queen's House, Colombo
Queen's House, Colombo is a historic colonial-era mansion in Sri Lanka that served as the official residence of the British Governor of Ceylon and later the country's heads of state.
-
E.
Parliament Building, Colombo
Parliament Building, Colombo is a historic colonial-era legislative complex in Sri Lanka that long served as the seat of the country’s national parliament.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | skyscraper ⓘ |
| architecturalStyle | modernist architecture ⓘ |
| completionDate | late 20th century ⓘ |
| continent | Asia ⓘ |
| country | Sri Lanka ⓘ |
| facadeColor | light-colored ⓘ |
| hasElevator | yes ⓘ |
| hasFunction |
bank offices
ⓘ
corporate headquarters ⓘ |
| hasPart |
banking halls
ⓘ
meeting rooms ⓘ office floors ⓘ service floors ⓘ |
| hasSecurity | yes ⓘ |
| hasSignificance |
iconic building in Colombo Fort business district
ⓘ
symbol of Sri Lankan banking sector ⓘ |
| hasViewOf |
Colombo cityscape
ⓘ
Indian Ocean NERFINISHED ⓘ |
| height | about 150 metres ⓘ |
| inception | 1980s ⓘ |
| isAmongTallestIn |
Colombo
NERFINISHED
ⓘ
Sri Lanka NERFINISHED ⓘ |
| isHeadquartersOf | Bank of Ceylon NERFINISHED ⓘ |
| isLandmarkOf |
Colombo skyline
ⓘ
Sri Lanka NERFINISHED ⓘ |
| isStateOwnedHeadquarters | true ⓘ |
| locatedIn |
Colombo
NERFINISHED
ⓘ
Colombo Fort NERFINISHED ⓘ Western Province, Sri Lanka NERFINISHED ⓘ |
| locatedNear |
Beira Lake
NERFINISHED
ⓘ
Colombo Port NERFINISHED ⓘ World Trade Center Colombo NERFINISHED ⓘ |
| material | reinforced concrete ⓘ |
| numberOfFloors | 32 ⓘ |
| occupant | Bank of Ceylon NERFINISHED ⓘ |
| operator | Bank of Ceylon NERFINISHED ⓘ |
| owner | Bank of Ceylon NERFINISHED ⓘ |
| region | Western Province NERFINISHED ⓘ |
| roofType | flat roof ⓘ |
| use |
commercial
ⓘ
office ⓘ |
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: Bank of Ceylon Tower Description of subject: Bank of Ceylon Tower is a prominent high-rise office skyscraper in Colombo, Sri Lanka, serving as the headquarters of the state-owned Bank of Ceylon and a notable landmark in the city’s skyline.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.