USSD
E633197
USSD (Unstructured Supplementary Service Data) is a real-time, session-based communication protocol used by mobile phones to interact with a service provider’s computers, commonly enabling menu-driven services like banking and balance checks without requiring internet access.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Unstructured Supplementary Service Data | 2 |
| USSD canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6970279 — 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: USSD Context triple: [Unified Payments Interface, supportsChannel, USSD]
-
A.
SIM
SIM (Subscriber Identity Module) is a secure smart card or embedded chip used in mobile devices to store subscriber credentials and enable authentication and access to cellular networks.
-
B.
SIM
SIM is the commonly used abbreviation for the Science and Industry Museum in Manchester, a major UK museum dedicated to the history and impact of science, technology, and industry.
-
C.
SIM
SIM is the vehicle registration code used on license plates for vehicles registered in the Simmern region of Germany.
-
D.
Short Message Service Centre
The Short Message Service Centre (SMSC) is a network element that stores, forwards, converts, and delivers SMS text messages between mobile devices and other messaging systems.
-
E.
OTP
OTP (Open Telecom Platform) is a collection of Erlang libraries and design principles for building scalable, fault-tolerant, concurrent systems.
- 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: USSD Target entity description: USSD (Unstructured Supplementary Service Data) is a real-time, session-based communication protocol used by mobile phones to interact with a service provider’s computers, commonly enabling menu-driven services like banking and balance checks without requiring internet access.
-
A.
SIM
SIM (Subscriber Identity Module) is a secure smart card or embedded chip used in mobile devices to store subscriber credentials and enable authentication and access to cellular networks.
-
B.
SIM
SIM is the commonly used abbreviation for the Science and Industry Museum in Manchester, a major UK museum dedicated to the history and impact of science, technology, and industry.
-
C.
SIM
SIM is the vehicle registration code used on license plates for vehicles registered in the Simmern region of Germany.
-
D.
Short Message Service Centre
The Short Message Service Centre (SMSC) is a network element that stores, forwards, converts, and delivers SMS text messages between mobile devices and other messaging systems.
-
E.
OTP
OTP (Open Telecom Platform) is a collection of Erlang libraries and design principles for building scalable, fault-tolerant, concurrent systems.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
GSM service
ⓘ
mobile communication protocol ⓘ |
| abbreviationOf |
Unstructured Supplementary Service Data
ⓘ
linked to:
USSD
|
| accessedBy |
USSD codes
ⓘ
short codes ⓘ |
| advantageOverApps | works without data connection ⓘ |
| advantageOverSMS | no message storage ⓘ |
| advantageOverSMS | real-time interaction ⓘ |
| category |
mobile telecommunications
ⓘ
network protocols ⓘ |
| codeFormat | *code# ⓘ |
| communicatesWith |
application servers
ⓘ
service provider computers ⓘ |
| comparedWith | SMS ⓘ |
| definedIn |
GSM 02.90
ⓘ
GSM 03.90 ⓘ
linked to:
GSM 02.90
|
| differsFrom | SMS ⓘ |
| doesNotRequire |
internet access
ⓘ
mobile data ⓘ |
| enables |
account information retrieval
ⓘ
airtime top-up ⓘ balance inquiry ⓘ bill payment services ⓘ customer self-care services ⓘ mobile banking ⓘ mobile money transfers ⓘ network configuration services ⓘ service activation ⓘ |
| fullName |
Unstructured Supplementary Service Data
ⓘ
linked to:
USSD
|
| hasProperty |
connection-oriented
ⓘ
menu-driven ⓘ real-time ⓘ session-based ⓘ text-based ⓘ |
| operatesOver |
control channels
ⓘ
signaling channels ⓘ |
| standardizedIn | 3GPP specifications ⓘ |
| supports |
interactive menus
ⓘ
session management ⓘ two-way communication ⓘ |
| transports | short text strings ⓘ |
| usedBy |
banks
ⓘ
feature phones ⓘ mobile money providers ⓘ mobile network operators ⓘ mobile phones ⓘ smartphones ⓘ |
| usedIn |
GSM networks
ⓘ
linked to:
GSM
mobile networks ⓘ |
| widelyUsedFor | financial inclusion services ⓘ |
| widelyUsedIn | developing countries ⓘ |
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: USSD Description of subject: USSD (Unstructured Supplementary Service Data) is a real-time, session-based communication protocol used by mobile phones to interact with a service provider’s computers, commonly enabling menu-driven services like banking and balance checks without requiring internet access.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: USSD