Passenger Reservation System
E458447
Passenger Reservation System is the centralized computerized platform used by Indian Railways to manage long-distance train ticket booking, seat allocation, and reservation records across the country.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Passenger Reservation System canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4614898 — 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: Passenger Reservation System Context triple: [Indian Railways, ticketingSystem, Passenger Reservation System]
-
A.
Terminal 1
Terminal 1 is an international passenger terminal at John F. Kennedy International Airport in New York City, serving numerous global airlines and long-haul routes.
-
B.
Terminal 1
Terminal 1 is one of the main passenger terminals at Daniel K. Inouye International Airport in Honolulu, serving a large share of the airport’s domestic and inter-island flights.
-
C.
Terminal 1
Terminal 1 is a domestic passenger terminal at Chhatrapati Shivaji Maharaj International Airport in Mumbai, India.
-
D.
Terminal 1
Terminal 1 is the main passenger terminal at Don Mueang International Airport in Bangkok, handling a large share of the airport’s commercial flight operations.
-
E.
Terminal 1
Terminal 1 is one of the main passenger terminals at Manchester Airport, handling a large share of its international and domestic flights.
- 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: Passenger Reservation System Target entity description: Passenger Reservation System is the centralized computerized platform used by Indian Railways to manage long-distance train ticket booking, seat allocation, and reservation records across the country.
-
A.
Terminal 1
Terminal 1 is an international passenger terminal at John F. Kennedy International Airport in New York City, serving numerous global airlines and long-haul routes.
-
B.
Terminal 1
Terminal 1 is one of the main passenger terminals at Daniel K. Inouye International Airport in Honolulu, serving a large share of the airport’s domestic and inter-island flights.
-
C.
Terminal 1
Terminal 1 is a domestic passenger terminal at Chhatrapati Shivaji Maharaj International Airport in Mumbai, India.
-
D.
Terminal 1
Terminal 1 is the main passenger terminal at Don Mueang International Airport in Bangkok, handling a large share of the airport’s commercial flight operations.
-
E.
Terminal 1
Terminal 1 is one of the main passenger terminals at Manchester Airport, handling a large share of its international and domestic flights.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
centralized information system
ⓘ
computerized reservation system ⓘ railway reservation system ⓘ |
| accessChannel |
authorized travel agents
ⓘ
online ticketing portals ⓘ railway reservation counters ⓘ |
| benefit |
central monitoring of reservation status
ⓘ
faster ticket booking for passengers ⓘ improved accuracy of reservation records ⓘ reduced manual paperwork in ticketing ⓘ standardized reservation process across India ⓘ |
| country | India ⓘ |
| coverage | long-distance passenger trains in India ⓘ |
| dataType |
passenger reservation records
ⓘ
seat availability information ⓘ ticketing transactions ⓘ train-wise passenger lists ⓘ |
| domain | rail transport ⓘ |
| feature |
PNR (Passenger Name Record) generation
ⓘ
centralized database of reservations ⓘ class-wise seat allocation ⓘ quota-wise seat allocation ⓘ real-time seat availability updates ⓘ train-wise reservation control ⓘ |
| geographicCoverage | Indian Railways network ⓘ |
| industry | railway industry ⓘ |
| integrationWith |
IRCTC online booking system
ⓘ
Indian Railways ticketing network ⓘ train operations information systems ⓘ |
| languageSupport |
English
ⓘ
Indian regional languages ⓘ |
| managesResource |
berths
ⓘ
train seats ⓘ |
| operator | Indian Railways ⓘ |
| purpose |
long-distance train ticket booking
ⓘ
reservation record management ⓘ seat allocation ⓘ |
| scope | nationwide ⓘ |
| sector | public sector transport ⓘ |
| supportsProcess |
RAC (Reservation Against Cancellation) management
ⓘ
advance reservation ⓘ cancellation of tickets ⓘ current booking ⓘ modification of reservations ⓘ preparation of reservation charts ⓘ waitlist management ⓘ |
| usedBy |
Indian Railways staff
ⓘ
online ticketing systems ⓘ ticket booking clerks ⓘ |
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: Passenger Reservation System Description of subject: Passenger Reservation System is the centralized computerized platform used by Indian Railways to manage long-distance train ticket booking, seat allocation, and reservation records across the country.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.