Chennai Beach–Tambaram section
E740575
The Chennai Beach–Tambaram section is a key suburban railway corridor in Chennai, India, connecting the city’s coastal terminus with its southern suburbs and serving as one of the busiest commuter routes in the region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chennai Beach–Tambaram section canonical | 3 |
| Chennai Beach–Chengalpattu section | 1 |
| Chennai Beach–Tambaram suburban line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8550638 — 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: Chennai Beach–Tambaram section Context triple: [Kodambakkam, railwayLine, Chennai Beach–Tambaram section]
-
A.
Mylapore
Mylapore is a historic neighborhood in Chennai, India, known for its ancient temples, cultural heritage, and traditional South Indian character.
-
B.
Kodambakkam
Kodambakkam is a prominent neighborhood in Chennai, India, best known as the historic heart of the Tamil film industry and home to many of its major studios and production houses.
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C.
Hosur Road
Hosur Road is a major arterial highway in Bengaluru, India, connecting the city center with key southern suburbs and industrial hubs such as Electronics City.
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D.
Chennai Metro
Chennai Metro is a rapid transit system serving the Indian city of Chennai, providing urban rail connectivity across key residential, commercial, and industrial areas.
-
E.
Chepauk
Chepauk is a coastal neighborhood in central Chennai, India, known for the historic M. A. Chidambaram cricket stadium and its proximity to Marina Beach.
- 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: Chennai Beach–Tambaram section Target entity description: The Chennai Beach–Tambaram section is a key suburban railway corridor in Chennai, India, connecting the city’s coastal terminus with its southern suburbs and serving as one of the busiest commuter routes in the region.
-
A.
Mylapore
Mylapore is a historic neighborhood in Chennai, India, known for its ancient temples, cultural heritage, and traditional South Indian character.
-
B.
Kodambakkam
Kodambakkam is a prominent neighborhood in Chennai, India, best known as the historic heart of the Tamil film industry and home to many of its major studios and production houses.
-
C.
Hosur Road
Hosur Road is a major arterial highway in Bengaluru, India, connecting the city center with key southern suburbs and industrial hubs such as Electronics City.
-
D.
Chennai Metro
Chennai Metro is a rapid transit system serving the Indian city of Chennai, providing urban rail connectivity across key residential, commercial, and industrial areas.
-
E.
Chepauk
Chepauk is a coastal neighborhood in central Chennai, India, known for the historic M. A. Chidambaram cricket stadium and its proximity to Marina Beach.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
railway corridor
ⓘ
suburban railway line ⓘ |
| cityServed | Chennai NERFINISHED ⓘ |
| connects |
Chennai Beach
NERFINISHED
ⓘ
Tambaram NERFINISHED ⓘ southern suburbs of Chennai ⓘ |
| connectsTo |
Chennai Beach–Velachery MRTS section at Chennai Beach
ⓘ
mainline routes from Chennai Egmore ⓘ |
| country | India ⓘ |
| electrification | 25 kV AC overhead line ⓘ |
| electrified | yes ⓘ |
| gauge | 5 ft 6 in broad gauge ⓘ |
| hasFeature | dedicated suburban platforms at several stations ⓘ |
| hasStation |
Chennai Beach railway station
NERFINISHED
ⓘ
Chennai Egmore railway station (suburban platforms) NERFINISHED ⓘ Chetpet railway station NERFINISHED ⓘ Chromepet railway station NERFINISHED ⓘ Guindy railway station NERFINISHED ⓘ Kodambakkam railway station NERFINISHED ⓘ Mambalam railway station NERFINISHED ⓘ Meenambakkam railway station NERFINISHED ⓘ Nungambakkam railway station NERFINISHED ⓘ Pallavaram railway station NERFINISHED ⓘ Park Town railway station NERFINISHED ⓘ Pazhavanthangal railway station NERFINISHED ⓘ Saidapet railway station NERFINISHED ⓘ St. Thomas Mount railway station NERFINISHED ⓘ Tambaram Sanatorium railway station NERFINISHED ⓘ Tambaram railway station NERFINISHED ⓘ Trisulam railway station NERFINISHED ⓘ |
| importance | major north–south suburban axis of Chennai ⓘ |
| isOneOf | busiest commuter routes in Chennai ⓘ |
| isPartOfCorridor | Chennai Beach–Tambaram–Chengalpattu corridor NERFINISHED ⓘ |
| locatedIn |
Chennai
ⓘ
Tamil Nadu ⓘ |
| operator | Southern Railway zone NERFINISHED ⓘ |
| owner | Indian Railways NERFINISHED ⓘ |
| partOf | Chennai Suburban Railway NERFINISHED ⓘ |
| peakUsage | office commute hours ⓘ |
| primaryUse | daily commuting ⓘ |
| regionServed | Chennai metropolitan area NERFINISHED ⓘ |
| serviceType |
passenger rail
ⓘ
suburban commuter rail ⓘ |
| terminus |
Chennai Beach railway station
NERFINISHED
ⓘ
Tambaram railway station NERFINISHED ⓘ |
| timePeriodOfUse | all days of the week ⓘ |
| trackConfiguration | multiple tracks ⓘ |
| usedBy | Chennai suburban EMU trains NERFINISHED ⓘ |
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: Chennai Beach–Tambaram section Description of subject: The Chennai Beach–Tambaram section is a key suburban railway corridor in Chennai, India, connecting the city’s coastal terminus with its southern suburbs and serving as one of the busiest commuter routes in the region.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chennai Beach–Chengalpattu section
this entity surface form:
Chennai Beach–Tambaram suburban line