State Highway 20 (Tamil Nadu)
E1018106
State Highway 20 (Tamil Nadu) is a regional roadway in the Indian state of Tamil Nadu that serves as a key route linking the town of Mettur with other nearby areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| State Highway 20 (Tamil Nadu) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13053556 — 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: State Highway 20 (Tamil Nadu) Context triple: [Mettur, connectedByHighway, State Highway 20 (Tamil Nadu)]
-
A.
National Highway 21 (India)
National Highway 21 (India) is a major roadway in the Indian national highway network that connects key towns and cities across Rajasthan, including passing through Dausa district.
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B.
National Highway 19 (India)
National Highway 19 (India) is a major east–west arterial highway that forms part of the historic Grand Trunk Road, connecting key cities across northern and eastern India, including Kolkata, Varanasi, and Delhi.
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C.
State Highway 2 (West Bengal)
State Highway 2 (West Bengal) is a regional roadway in the Indian state of West Bengal that serves as a key transport route linking the town of Bankura with other parts of the state.
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D.
Tamil Nadu State Highway network
The Tamil Nadu State Highway network is an extensive system of major roads that connects cities, towns, and districts across the Indian state of Tamil Nadu, facilitating regional transportation and economic activity.
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E.
Chennai–Bengaluru highway
The Chennai–Bengaluru highway is a major arterial road in southern India that connects the metropolitan cities of Chennai in Tamil Nadu and Bengaluru in Karnataka, facilitating significant regional trade and travel.
- 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: State Highway 20 (Tamil Nadu) Target entity description: State Highway 20 (Tamil Nadu) is a regional roadway in the Indian state of Tamil Nadu that serves as a key route linking the town of Mettur with other nearby areas.
-
A.
National Highway 21 (India)
National Highway 21 (India) is a major roadway in the Indian national highway network that connects key towns and cities across Rajasthan, including passing through Dausa district.
-
B.
National Highway 19 (India)
National Highway 19 (India) is a major east–west arterial highway that forms part of the historic Grand Trunk Road, connecting key cities across northern and eastern India, including Kolkata, Varanasi, and Delhi.
-
C.
State Highway 2 (West Bengal)
State Highway 2 (West Bengal) is a regional roadway in the Indian state of West Bengal that serves as a key transport route linking the town of Bankura with other parts of the state.
-
D.
Tamil Nadu State Highway network
The Tamil Nadu State Highway network is an extensive system of major roads that connects cities, towns, and districts across the Indian state of Tamil Nadu, facilitating regional transportation and economic activity.
-
E.
Chennai–Bengaluru highway
The Chennai–Bengaluru highway is a major arterial road in southern India that connects the metropolitan cities of Chennai in Tamil Nadu and Bengaluru in Karnataka, facilitating significant regional trade and travel.
- F. None of above. chosen
Statements (13)
| Predicate | Object |
|---|---|
| instanceOf |
road in Tamil Nadu
ⓘ
state highway ⓘ |
| connectsTown | Mettur ⓘ |
| country | India ⓘ |
| hasJunctionWith | other local and regional roads near Mettur ⓘ |
| highwayNumber | 20 ⓘ |
| highwayType | State Highway ⓘ |
| locatedIn | Salem district (partly) ⓘ |
| maintainedBy | Highways and Minor Ports Department, Government of Tamil Nadu ⓘ |
| regionServed | western Tamil Nadu ⓘ |
| roadFunction |
key route linking Mettur with nearby areas
ⓘ
regional roadway ⓘ |
| state | Tamil Nadu ⓘ |
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: State Highway 20 (Tamil Nadu) Description of subject: State Highway 20 (Tamil Nadu) is a regional roadway in the Indian state of Tamil Nadu that serves as a key route linking the town of Mettur with other nearby areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.