Line 27 at Kårsta
E507452
Line 27 at Kårsta is a commuter rail line on Stockholm’s narrow-gauge Roslagsbanan network that terminates in the village of Kårsta in Vallentuna Municipality.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line 27 at Kårsta canonical | 1 |
| Roslagsbanan line 27 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5266208 — 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: Line 27 at Kårsta Context triple: [Roslagsbanan, terminusOf, Line 27 at Kårsta]
-
A.
Gnesta Station
Gnesta Station is a key railway station in the town of Gnesta, Sweden, serving as an important terminus and hub on the Stockholm commuter rail network.
-
B.
Red line (Stockholm metro)
The Red line of the Stockholm metro is one of the system’s main rapid transit lines, running in a north–south direction and connecting central Stockholm with several northern and southern suburbs.
-
C.
Sjövägen line
The Sjövägen line is a commuter ferry route in Stockholm’s public transport network that connects various waterfront districts across the city.
-
D.
Saltsjöbanan
Saltsjöbanan is a suburban railway line in the Stockholm area that connects central Stockholm with the eastern suburbs, including parts of Nacka Municipality.
-
E.
Hammarbyleden
Hammarbyleden is a shipping canal and fairway in Stockholm that connects Lake Mälaren with the Baltic Sea, facilitating maritime traffic through the city.
- 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: Line 27 at Kårsta Target entity description: Line 27 at Kårsta is a commuter rail line on Stockholm’s narrow-gauge Roslagsbanan network that terminates in the village of Kårsta in Vallentuna Municipality.
-
A.
Gnesta Station
Gnesta Station is a key railway station in the town of Gnesta, Sweden, serving as an important terminus and hub on the Stockholm commuter rail network.
-
B.
Red line (Stockholm metro)
The Red line of the Stockholm metro is one of the system’s main rapid transit lines, running in a north–south direction and connecting central Stockholm with several northern and southern suburbs.
-
C.
Sjövägen line
The Sjövägen line is a commuter ferry route in Stockholm’s public transport network that connects various waterfront districts across the city.
-
D.
Saltsjöbanan
Saltsjöbanan is a suburban railway line in the Stockholm area that connects central Stockholm with the eastern suburbs, including parts of Nacka Municipality.
-
E.
Hammarbyleden
Hammarbyleden is a shipping canal and fairway in Stockholm that connects Lake Mälaren with the Baltic Sea, facilitating maritime traffic through the city.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway service ⓘ |
| connectsTo | other Roslagsbanan lines at Stockholm Östra ⓘ |
| country | Sweden ⓘ |
| electrification | electric multiple units ⓘ |
| fareSystem | SL fare system ⓘ |
| gauge | 891 mm narrow gauge ⓘ |
| lineNumber | 27 ⓘ |
| locatedIn | Stockholm County ⓘ |
| locatedInRailNetwork |
Roslagsbanan network
ⓘ
linked to:
Roslagsbanan
|
| network |
Stockholm commuter rail and local rail system
ⓘ
linked to:
Stockholm commuter rail
|
| operator |
SL
ⓘ
Storstockholms Lokaltrafik ⓘ |
| owner | Region Stockholm ⓘ |
| partOf | Roslagsbanan ⓘ |
| rollingStockType | electric multiple unit trains ⓘ |
| servesMunicipality | Vallentuna Municipality ⓘ |
| servesRegion | northern Stockholm region ⓘ |
| servesSettlement | Kårsta ⓘ |
| serviceType | commuter rail ⓘ |
| terminus |
Kårsta station
ⓘ
Stockholm Östra station ⓘ |
| terminusLocatedIn |
Kårsta, Vallentuna Municipality
ⓘ
linked to:
Kårsta
|
| trackGauge | narrow gauge ⓘ |
| usesInfrastructure |
Roslagsbanan Kårsta branch
ⓘ
linked to:
Roslagsbanan
|
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: Line 27 at Kårsta Description of subject: Line 27 at Kårsta is a commuter rail line on Stockholm’s narrow-gauge Roslagsbanan network that terminates in the village of Kårsta in Vallentuna Municipality.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Line 27 at Kårsta