SR
E1018624
SR is the official abbreviation for the Southern Railway zone of Indian Railways, which serves the southern region of India.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SR canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13036581 — 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: SR Context triple: [Southern Railway zone, abbreviation, SR]
-
A.
SR
SR is the postcode area in North East England that covers Sunderland and surrounding parts of Tyne and Wear and County Durham.
-
B.
SR
SR is the standard route designation used for numbered state highways within the Arizona State Highway System.
-
C.
SR
SR was the IATA airline designator used by Swissair, the former national airline of Switzerland.
-
D.
SR
SR is the vehicle registration code used on license plates for the Straubing-Bogen district in Bavaria, Germany.
-
E.
SR
SR is the commonly used abbreviation for Sveriges Radio, Sweden’s national public radio broadcaster.
- 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: SR Target entity description: SR is the official abbreviation for the Southern Railway zone of Indian Railways, which serves the southern region of India.
-
A.
SR
SR is the vehicle registration code used on license plates for the Straubing-Bogen district in Bavaria, Germany.
-
B.
SR
SR is the commonly used abbreviation for Sveriges Radio, Sweden’s national public radio broadcaster.
-
C.
SR
SR is the standard route designation used for numbered state highways within the Arizona State Highway System.
-
D.
SR
SR is the postcode area in North East England that covers Sunderland and surrounding parts of Tyne and Wear and County Durham.
-
E.
SR
SR was the IATA airline designator used by Swissair, the former national airline of Switzerland.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Southern Railway zone
ⓘ
railway zone ⓘ |
| abbreviationFor | Southern Railway ⓘ |
| country | India ⓘ |
| fullName | Southern Railway ⓘ |
| hasAbbreviationType | railway zone code ⓘ |
| hasOfficialStatus | official abbreviation of Southern Railway zone ⓘ |
| hasZoneCode | SR ⓘ |
| headquarters |
Chennai
ⓘ
Chennai, Tamil Nadu, India ⓘ |
| languageOfAbbreviation | English ⓘ |
| locatedInTimeZone | Indian Standard Time ⓘ |
| networkType | broad gauge ⓘ |
| operatedBy |
Ministry of Railways, Government of India
ⓘ
linked to:
Ministry of Railways (India)
|
| owner | Government of India ⓘ |
| partOf | Indian Railways ⓘ |
| railwayZoneCategory | zonal railway of Indian Railways ⓘ |
| railwayZoneOf | Indian Railways ⓘ |
| regionServed |
southern India
ⓘ
linked to:
South India
|
| sector | rail transport ⓘ |
| servesState |
Andhra Pradesh
ⓘ
Karnataka ⓘ Kerala ⓘ Puducherry (Union Territory) ⓘ
linked to:
Puducherry
Tamil Nadu ⓘ Telangana ⓘ |
| serviceType |
freight rail
ⓘ
passenger rail ⓘ |
| usedInContext |
Indian Railways timetables
ⓘ
railway operations documents ⓘ ticketing and reservation systems ⓘ |
| usesScript | Latin alphabet ⓘ |
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: SR Description of subject: SR is the official abbreviation for the Southern Railway zone of Indian Railways, which serves the southern region of India.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.