Pan Island Expressway
E671226
The Pan Island Expressway is one of Singapore’s major east–west expressways, connecting key industrial, residential, and commercial areas across the island.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pan Island Expressway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7508630 — 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: Pan Island Expressway Context triple: [Tuas, roadAccess, Pan Island Expressway]
-
A.
Bukit Timah Expressway
The Bukit Timah Expressway (BKE) is a major north–south expressway in Singapore that connects the northern town of Woodlands to central parts of the island and links with other key expressways.
-
B.
Seletar Expressway
The Seletar Expressway (SLE) is a major highway in Singapore that connects the northern region, including Woodlands, to the central and northeastern parts of the island.
-
C.
South Klang Valley Expressway
The South Klang Valley Expressway is a major Malaysian highway that serves as a key orbital route around the southern Klang Valley, linking townships such as Putrajaya, Kajang, and Banting while easing congestion on other primary expressways.
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D.
North South Motorway
The North–South Motorway is a major freeway in Adelaide, South Australia, forming the central spine of the city’s north–south road corridor.
-
E.
North Luzon Expressway
North Luzon Expressway is a major toll expressway in the Philippines that connects Metro Manila to the provinces of Central and Northern Luzon.
- 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: Pan Island Expressway Target entity description: The Pan Island Expressway is one of Singapore’s major east–west expressways, connecting key industrial, residential, and commercial areas across the island.
-
A.
Bukit Timah Expressway
The Bukit Timah Expressway (BKE) is a major north–south expressway in Singapore that connects the northern town of Woodlands to central parts of the island and links with other key expressways.
-
B.
Seletar Expressway
The Seletar Expressway (SLE) is a major highway in Singapore that connects the northern region, including Woodlands, to the central and northeastern parts of the island.
-
C.
South Klang Valley Expressway
The South Klang Valley Expressway is a major Malaysian highway that serves as a key orbital route around the southern Klang Valley, linking townships such as Putrajaya, Kajang, and Banting while easing congestion on other primary expressways.
-
D.
North South Motorway
The North–South Motorway is a major freeway in Adelaide, South Australia, forming the central spine of the city’s north–south road corridor.
-
E.
North Luzon Expressway
North Luzon Expressway is a major toll expressway in the Philippines that connects Metro Manila to the provinces of Central and Northern Luzon.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
road infrastructure ⓘ |
| abbreviation | PIE NERFINISHED ⓘ |
| connects |
central Singapore
ⓘ
commercial areas in Singapore ⓘ eastern Singapore ⓘ industrial areas in Singapore ⓘ residential areas in Singapore ⓘ western Singapore ⓘ |
| constructionStart | 1964 ⓘ |
| country | Singapore ⓘ |
| direction | east–west ⓘ |
| hasJunctionWith |
Ayer Rajah Expressway
NERFINISHED
ⓘ
Bukit Timah Expressway NERFINISHED ⓘ Central Expressway NERFINISHED ⓘ East Coast Parkway NERFINISHED ⓘ Kallang–Paya Lebar Expressway NERFINISHED ⓘ Tampines Expressway NERFINISHED ⓘ |
| hasRouteNumber | E5 NERFINISHED ⓘ |
| hasStructure |
flyovers
ⓘ
interchanges ⓘ underpasses ⓘ viaducts ⓘ |
| hasToll | no ⓘ |
| isOneOf | longest expressways in Singapore ⓘ |
| lanes | multiple carriageway lanes in each direction ⓘ |
| languageOfName | English ⓘ |
| length | approximately 42.8 kilometres ⓘ |
| locatedIn | Singapore Island NERFINISHED ⓘ |
| maintainedBy | Land Transport Authority NERFINISHED ⓘ |
| namedFor | its cross-island alignment ⓘ |
| notableFor | heavy peak-hour congestion ⓘ |
| opened | 1966 ⓘ |
| partOf | Singapore expressway network NERFINISHED ⓘ |
| passesThrough |
Bedok
NERFINISHED
ⓘ
Bukit Batok NERFINISHED ⓘ Bukit Timah NERFINISHED ⓘ Jurong NERFINISHED ⓘ Kallang NERFINISHED ⓘ Tampines NERFINISHED ⓘ Toa Payoh NERFINISHED ⓘ |
| roadType | controlled-access highway ⓘ |
| serves |
commuter traffic
ⓘ
freight traffic ⓘ |
| speedLimit |
80 km/h
ⓘ
90 km/h ⓘ |
| surface | asphalt ⓘ |
| terminusEast | Changi Airport NERFINISHED ⓘ |
| terminusWest | Tuas NERFINISHED ⓘ |
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: Pan Island Expressway Description of subject: The Pan Island Expressway is one of Singapore’s major east–west expressways, connecting key industrial, residential, and commercial areas across the island.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.