JY13
E536018
JY13 is the station code used on JR East’s Yamanote Line to designate Ikebukuro Station in Tokyo.
All labels observed (1)
| Label | Occurrences |
|---|---|
| JY13 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5553166 — 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: JY13 Context triple: [Ikebukuro Station, hasStationCode, JY13]
-
A.
YJB
YJB is the public body responsible for overseeing the youth justice system in England and Wales, aiming to prevent offending and reoffending by children and young people.
-
B.
J100
J100 is the internal model code used by Lexus to designate the second generation of its full-size luxury SUV, the Lexus LX.
-
C.
YX
YX is the IATA airline designator used by Republic Airways, a major U.S. regional airline operating flights on behalf of larger carriers.
-
D.
YB
YB is the common abbreviation for BSC Young Boys, a professional football club based in Bern, Switzerland.
-
E.
YXU
YXU is the IATA airport code for London International Airport serving London, Ontario, Canada.
- 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: JY13 Target entity description: JY13 is the station code used on JR East’s Yamanote Line to designate Ikebukuro Station in Tokyo.
-
A.
YJB
YJB is the public body responsible for overseeing the youth justice system in England and Wales, aiming to prevent offending and reoffending by children and young people.
-
B.
J100
J100 is the internal model code used by Lexus to designate the second generation of its full-size luxury SUV, the Lexus LX.
-
C.
YX
YX is the IATA airline designator used by Republic Airways, a major U.S. regional airline operating flights on behalf of larger carriers.
-
D.
YB
YB is the common abbreviation for BSC Young Boys, a professional football club based in Bern, Switzerland.
-
E.
YXU
YXU is the IATA airport code for London International Airport serving London, Ontario, Canada.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
JR East station number
ⓘ
railway station code ⓘ |
| adjacentStationCodeNext | JY14 ⓘ |
| adjacentStationCodePrevious | JY12 ⓘ |
| adjacentStationLine | Yamanote Line NERFINISHED ⓘ |
| appliesToDirection | inner/outer loop (Yamanote Line) NERFINISHED ⓘ |
| codeNumberMeaning | 13 = sequential station number on Yamanote Line ⓘ |
| codePrefixMeaning | JY = JR Yamanote ⓘ |
| countryCodeContext | JP ⓘ |
| designatesStation | Ikebukuro Station NERFINISHED ⓘ |
| fareSystemContext | JR East metropolitan area NERFINISHED ⓘ |
| introducedBy | JR East NERFINISHED ⓘ |
| introducedOnLine | JR East Yamanote Line NERFINISHED ⓘ |
| lineColorAssociation | Yamanote Line light green ⓘ |
| locatedInCity | Tokyo NERFINISHED ⓘ |
| locatedInCountry | Japan NERFINISHED ⓘ |
| locatedInWard | Toshima NERFINISHED ⓘ |
| mapsLabelType | station code ⓘ |
| numberingSystem | JR East station numbering ⓘ |
| operatorOfLine | JR East NERFINISHED ⓘ |
| stationNameJapanese | 池袋駅 ⓘ |
| stationNameRomanized | Ikebukuro NERFINISHED ⓘ |
| ticketingContext | JR East IC card area ⓘ |
| usedBy | East Japan Railway Company NERFINISHED ⓘ |
| usedOnLine | Yamanote Line NERFINISHED ⓘ |
| writingSystem | Latin alphabet and Arabic numerals ⓘ |
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: JY13 Description of subject: JY13 is the station code used on JR East’s Yamanote Line to designate Ikebukuro Station in Tokyo.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.