GSAT-4
E828717
GSAT-4 was an Indian communications and technology-demonstration satellite developed by ISRO that was lost during a launch failure in 2010.
All labels observed (2)
| Label | Occurrences |
|---|---|
| GSAT-4 canonical | 2 |
| GSAT-4 (HealthSat) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9808757 — 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: GSAT-4 Context triple: [GSAT, hasComponent, GSAT-4]
-
A.
GSAT-2
GSAT-2 is an Indian communications satellite developed by ISRO to provide telecommunication, broadcasting, and experimental services in orbit.
-
B.
GSAT-3
GSAT-3, also known as EDUSAT, was an Indian communications satellite dedicated primarily to supporting educational services and distance learning across the country.
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C.
GSAT-19
GSAT-19 is an Indian high-throughput communications satellite designed to test next-generation technologies and significantly enhance the country’s data transmission capabilities.
-
D.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
E.
SBS-4 communications satellite
The SBS-4 communications satellite was a commercial telecommunications spacecraft operated by Satellite Business Systems to provide business-oriented communication services in North America.
- 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: GSAT-4 Target entity description: GSAT-4 was an Indian communications and technology-demonstration satellite developed by ISRO that was lost during a launch failure in 2010.
-
A.
GSAT-2
GSAT-2 is an Indian communications satellite developed by ISRO to provide telecommunication, broadcasting, and experimental services in orbit.
-
B.
GSAT-3
GSAT-3, also known as EDUSAT, was an Indian communications satellite dedicated primarily to supporting educational services and distance learning across the country.
-
C.
GSAT-19
GSAT-19 is an Indian high-throughput communications satellite designed to test next-generation technologies and significantly enhance the country’s data transmission capabilities.
-
D.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
E.
SBS-4 communications satellite
The SBS-4 communications satellite was a commercial telecommunications spacecraft operated by Satellite Business Systems to provide business-oriented communication services in North America.
- F. None of above. chosen
Statements (30)
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: GSAT-4 Description of subject: GSAT-4 was an Indian communications and technology-demonstration satellite developed by ISRO that was lost during a launch failure in 2010.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: GSAT-4