IR
E494913
IR is the branding abbreviation used for InterRegio, a category of medium- to long-distance passenger trains operating in several European countries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IR canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5099671 — 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: IR Context triple: [InterRegio, brandingAbbreviation, IR]
-
A.
IR
IR is the IATA airline designator assigned to Iran Air, the national flag carrier of Iran.
-
B.
RI
RI is the standard two-letter United States Postal Service abbreviation for the state of Rhode Island.
-
C.
RI
RI is the vehicle registration code used for motor vehicles registered in the Italian province of Rieti.
-
D.
RI
RI is the common abbreviation for the Royal Institution, a historic London-based organization dedicated to scientific research, education, and public engagement.
-
E.
IER
IER is a division of the U.S. Department of Justice that enforces federal laws protecting immigrants and other workers from employment discrimination based on citizenship or immigration status and national origin.
- 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: IR Target entity description: IR is the branding abbreviation used for InterRegio, a category of medium- to long-distance passenger trains operating in several European countries.
-
A.
IR
IR is the IATA airline designator assigned to Iran Air, the national flag carrier of Iran.
-
B.
RI
RI is the vehicle registration code used for motor vehicles registered in the Italian province of Rieti.
-
C.
RI
RI is the standard two-letter United States Postal Service abbreviation for the state of Rhode Island.
-
D.
RI
RI is the common abbreviation for the Royal Institution, a historic London-based organization dedicated to scientific research, education, and public engagement.
-
E.
IER
IER is a division of the U.S. Department of Justice that enforces federal laws protecting immigrants and other workers from employment discrimination based on citizenship or immigration status and national origin.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
abbreviation
ⓘ
passenger train category ⓘ train service brand ⓘ |
| brandingFeature |
distinct timetable category
ⓘ
specific timetable symbol "IR" ⓘ specific train numbering ranges ⓘ |
| infrastructureUsed | mainline railway tracks ⓘ |
| introducedAsBrandInDecade | 1980s ⓘ |
| onboardClassConfiguration | often first and second class ⓘ |
| operatesIn | Europe ⓘ |
| primaryPassengerSegment |
commuters on longer distances
ⓘ
inter-regional travellers ⓘ leisure travellers ⓘ |
| railMode | conventional rail ⓘ |
| railServiceType |
long-distance passenger train
ⓘ
medium-distance passenger train ⓘ |
| relatedServiceType |
EuroCity
ⓘ
linked to:
EuroCity trains
InterCity ⓘ Regional-Express ⓘ |
| serviceCategory | inter-regional train ⓘ |
| serviceFocus | inter-regional connectivity ⓘ |
| serviceLevel |
above regional trains
ⓘ
below InterCity ⓘ |
| serviceRange |
long-distance
ⓘ
medium-distance ⓘ |
| standsFor | InterRegio ⓘ |
| ticketingCategory | long-distance tariff in many countries ⓘ |
| ticketReservationRequirement | usually not mandatory ⓘ |
| typicalStopsPattern |
connects regions
ⓘ
serves medium-size cities ⓘ |
| usedAsBrandingFor | InterRegio ⓘ |
| usedByRailOperator |
CFL
ⓘ
CFR Călători ⓘ Deutsche Bahn ⓘ PKP Intercity ⓘ Swiss Federal Railways ⓘ ÖBB ⓘ |
| usedInCountry |
Austria
ⓘ
Czech Republic ⓘ Germany ⓘ Luxembourg ⓘ Poland ⓘ Romania ⓘ Switzerland ⓘ |
| usedInRailwayContext | passenger trains ⓘ |
| usedOnPassengerInformationSystems | yes ⓘ |
| usedOnRollingStockLivery | yes ⓘ |
| usedOnTimetables | yes ⓘ |
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: IR Description of subject: IR is the branding abbreviation used for InterRegio, a category of medium- to long-distance passenger trains operating in several European countries.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.