Budapest tram line 4
E857885
Budapest tram line 4 is one of the busiest and most important tram routes in Budapest, running along the central Grand Boulevard and connecting several key districts of the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Budapest tram line 4 canonical | 1 |
| Tram line 4 (Budapest) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10351697 — 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: Budapest tram line 4 Context triple: [Grand Boulevard of Budapest, hasPublicTransport, Budapest tram line 4]
-
A.
Budapest Metro Line 4
Budapest Metro Line 4 is a fully automated rapid transit line in Budapest, Hungary, connecting the city’s southwestern and southeastern districts via a modern east–west underground route.
-
B.
Budapest tram network
The Budapest tram network is an extensive urban light rail system that provides key surface public transportation across Hungary’s capital, complementing the city’s metro and bus services.
-
C.
Budapest Metro Line 3
Budapest Metro Line 3 is a major north–south rapid transit line in Budapest, Hungary, serving as one of the city's primary public transportation corridors.
-
D.
Budapest Metro Line 2
Budapest Metro Line 2 is one of the main rapid transit lines in Budapest, running east–west across the city and connecting key central and suburban areas.
-
E.
Budapest Metro
The Budapest Metro is the rapid transit system serving Hungary’s capital, notable for including Line 1, one of the oldest electrified underground railway lines in continental Europe.
- 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: Budapest tram line 4 Target entity description: Budapest tram line 4 is one of the busiest and most important tram routes in Budapest, running along the central Grand Boulevard and connecting several key districts of the city.
-
A.
Budapest Metro Line 4
Budapest Metro Line 4 is a fully automated rapid transit line in Budapest, Hungary, connecting the city’s southwestern and southeastern districts via a modern east–west underground route.
-
B.
Budapest tram network
The Budapest tram network is an extensive urban light rail system that provides key surface public transportation across Hungary’s capital, complementing the city’s metro and bus services.
-
C.
Budapest Metro Line 3
Budapest Metro Line 3 is a major north–south rapid transit line in Budapest, Hungary, serving as one of the city's primary public transportation corridors.
-
D.
Budapest Metro Line 2
Budapest Metro Line 2 is one of the main rapid transit lines in Budapest, running east–west across the city and connecting key central and suburban areas.
-
E.
Budapest Metro
The Budapest Metro is the rapid transit system serving Hungary’s capital, notable for including Line 1, one of the oldest electrified underground railway lines in continental Europe.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
public transport route
ⓘ
tram line ⓘ |
| connectsDistrict |
District II of Budapest
NERFINISHED
ⓘ
District VI of Budapest NERFINISHED ⓘ District VII of Budapest NERFINISHED ⓘ District VIII of Budapest NERFINISHED ⓘ District XI of Budapest NERFINISHED ⓘ |
| country | Hungary ⓘ |
| electrification | 600 V DC overhead line ⓘ |
| fareSystem | integrated Budapest public transport tariff ⓘ |
| hasColorOnMap | green ⓘ |
| hasRouteNumber | 4 ⓘ |
| hasStop |
Blaha Lujza tér
NERFINISHED
ⓘ
Móricz Zsigmond körtér NERFINISHED ⓘ Nyugati pályaudvar NERFINISHED ⓘ Oktogon NERFINISHED ⓘ Rákóczi tér NERFINISHED ⓘ Wesselényi utca NERFINISHED ⓘ |
| interchangeWith |
Budapest Metro line M2
NERFINISHED
ⓘ
Budapest Metro line M3 NERFINISHED ⓘ Budapest Metro line M4 NERFINISHED ⓘ |
| isOneOf |
busiest tram lines in Budapest
ⓘ
most important tram routes in Budapest ⓘ |
| locatedIn | Budapest NERFINISHED ⓘ |
| operatedBy |
BKV
NERFINISHED
ⓘ
Budapesti Közlekedési Vállalat NERFINISHED ⓘ |
| owner | Budapest city NERFINISHED ⓘ |
| partOf | Budapest tram network NERFINISHED ⓘ |
| primaryFunction | urban passenger transport ⓘ |
| publicTransportSystem | Budapest public transport ⓘ |
| runsAlong |
Grand Boulevard
NERFINISHED
ⓘ
Nagykörút NERFINISHED ⓘ |
| safetySystem | tramway signalling ⓘ |
| servesArea |
Buda
NERFINISHED
ⓘ
Pest NERFINISHED ⓘ central Budapest ⓘ |
| serviceFrequency | high frequency ⓘ |
| sharesTracksWith | Budapest tram line 6 NERFINISHED ⓘ |
| status | in operation ⓘ |
| terminus |
Széll Kálmán tér
NERFINISHED
ⓘ
Újbuda-központ NERFINISHED ⓘ |
| trackGauge |
1435 mm
ⓘ
standard gauge ⓘ |
| transportMode | tram ⓘ |
| typeOfService | urban tram ⓘ |
| usesRollingStock |
CAF Urbos 3 tram
NERFINISHED
ⓘ
CAF Urbos low-floor tram 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: Budapest tram line 4 Description of subject: Budapest tram line 4 is one of the busiest and most important tram routes in Budapest, running along the central Grand Boulevard and connecting several key districts of the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tram line 4 (Budapest)