oldestSubwayLineIn

P25257
predicate

Indicates that a subway line is the earliest-built or longest-operating subway line within a specified geographic area or transit system.

Try in SPARQL

All labels observed (6)

Label Occurrences
isFirstSubwayLineOf 2
oldestSubwayLineIn canonical 2
firstMetroInIndia 1

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: oldestSubwayLineIn
Generated description
Indicates that a subway line is the earliest-built or longest-operating subway line within a specified geographic area or transit system.

Sample triples (8)

Subject Object
Tokyo Metro Ginza Line Tokyo ⓘ
Tokyo Metro Ginza Line East Asia ⓘ
West Bengal Kolkata Metro via predicate surface "firstMetroInIndia" ⓘ
Subte Latin America via predicate surface "isOldestMetroIn" ⓘ
Line A
surface form: Line A (Buenos Aires Underground)
Buenos Aires Underground via predicate surface "isFirstSubwayLineOf" ⓘ
Line A
surface form: Line A (Buenos Aires Underground)
Latin America via predicate surface "isFirstSubwayLineOf" ⓘ
Line 1
surface form: Line 1 (Shanghai Metro)
true via predicate surface "isOneOfOldestLinesInSystem" ⓘ
Maskoŭskaja line Minsk Metro system via predicate surface "isOldestMetroLineIn" NERFINISHED ⓘ