Riga tram lines
E488476
Riga tram lines form the core electric tram network serving the city of Riga, Latvia, providing urban public transport across central and outlying districts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Riga tram lines canonical | 1 |
| Riga tram network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5040842 — 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: Riga tram lines Context triple: [Centrs, hasTransportConnection, Riga tram lines]
-
A.
Helsinki tram network
The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
-
B.
Potsdam tram network
The Potsdam tram network is an urban light rail system serving the city of Potsdam, Germany, providing key public transportation links between its historic center, residential districts, and surrounding areas.
-
C.
Łódź tram network
The Łódź tram network is an extensive urban and interurban tram system serving the city of Łódź, Poland, and its surrounding metropolitan area.
-
D.
Tram Train Route
Tram Train Route is a hybrid light rail line in the Sheffield Supertram network that allows tram vehicles to run seamlessly on both city tram tracks and mainline railway infrastructure.
-
E.
Volgograd tram network
The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
- 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: Riga tram lines Target entity description: Riga tram lines form the core electric tram network serving the city of Riga, Latvia, providing urban public transport across central and outlying districts.
-
A.
Helsinki tram network
The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
-
B.
Potsdam tram network
The Potsdam tram network is an urban light rail system serving the city of Potsdam, Germany, providing key public transportation links between its historic center, residential districts, and surrounding areas.
-
C.
Łódź tram network
The Łódź tram network is an extensive urban and interurban tram system serving the city of Łódź, Poland, and its surrounding metropolitan area.
-
D.
Tram Train Route
Tram Train Route is a hybrid light rail line in the Sheffield Supertram network that allows tram vehicles to run seamlessly on both city tram tracks and mainline railway infrastructure.
-
E.
Volgograd tram network
The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
public transport system
ⓘ
tram network ⓘ |
| cityServed | Riga NERFINISHED ⓘ |
| connectsTo |
Riga Central Station
NERFINISHED
ⓘ
Riga city centre NERFINISHED ⓘ Riga residential districts ⓘ |
| continent | Europe ⓘ |
| country | Latvia ⓘ |
| electrificationSystem | overhead line ⓘ |
| fareIntegration |
Riga buses
ⓘ
Riga trolleybuses NERFINISHED ⓘ |
| fareSystem | integrated with Riga public transport fares ⓘ |
| gauge | 1524 mm broad gauge ⓘ |
| hasDepot |
Brasa tram depot
NERFINISHED
ⓘ
Torpēda tram depot NERFINISHED ⓘ |
| hasLine |
Riga tram line 1
NERFINISHED
ⓘ
Riga tram line 10 NERFINISHED ⓘ Riga tram line 11 NERFINISHED ⓘ Riga tram line 1T NERFINISHED ⓘ Riga tram line 2 ⓘ Riga tram line 3 NERFINISHED ⓘ Riga tram line 4 ⓘ Riga tram line 5 NERFINISHED ⓘ Riga tram line 5Z NERFINISHED ⓘ Riga tram line 6 ⓘ Riga tram line 7 NERFINISHED ⓘ Riga tram line 9 NERFINISHED ⓘ |
| hasRollingStock |
Tatra T3 tram
NERFINISHED
ⓘ
Tatra T6B5 tram NERFINISHED ⓘ low-floor tram vehicles ⓘ Škoda 15T ForCity tram NERFINISHED ⓘ |
| hasStop |
Centrāltirgus tram stop
NERFINISHED
ⓘ
Imanta tram stop NERFINISHED ⓘ Jugla tram stop NERFINISHED ⓘ Mežaparks tram stop NERFINISHED ⓘ Nacionālā opera tram stop NERFINISHED ⓘ |
| locatedIn | Riga NERFINISHED ⓘ |
| modeOfTransport | tram ⓘ |
| networkType | urban tramway ⓘ |
| operator | Rīgas satiksme NERFINISHED ⓘ |
| owner | City of Riga NERFINISHED ⓘ |
| partOf | Riga public transport network NERFINISHED ⓘ |
| primaryFunction | urban public transport ⓘ |
| regulatoryAuthority | Riga City Council NERFINISHED ⓘ |
| serviceArea |
central Riga
NERFINISHED
ⓘ
outlying districts of Riga ⓘ |
| ticketing | electronic ticket system e-talons NERFINISHED ⓘ |
| traction | electric ⓘ |
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: Riga tram lines Description of subject: Riga tram lines form the core electric tram network serving the city of Riga, Latvia, providing urban public transport across central and outlying districts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Riga tram network