SWB
E406620
SWB is the commonly used abbreviation for Southwestern Bell, a major former regional telephone company in the United States that became part of AT&T.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SWB canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4008491 — 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: SWB Context triple: [Southwestern Bell, hasAbbreviation, SWB]
-
A.
SWP
SWP is the commonly used acronym for California’s State Water Project, a massive water storage and delivery system supplying water to millions of residents and vast agricultural areas.
-
B.
SWC
SWC is the abbreviation for the Southwest Conference, a former NCAA Division I college athletic conference that primarily featured schools from Texas and the surrounding region.
-
C.
WB
WB is the official vehicle registration code used for motor vehicles registered in the Indian state of West Bengal.
-
D.
SB
SB was the communist-era secret police and intelligence service of the Polish People's Republic, known for surveillance, repression, and political control.
-
E.
SB
SB is the vehicle registration code used on license plates for cars registered in the city of Bielsko-Biała in southern Poland.
- 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: SWB Target entity description: SWB is the commonly used abbreviation for Southwestern Bell, a major former regional telephone company in the United States that became part of AT&T.
-
A.
SWP
SWP is the commonly used acronym for California’s State Water Project, a massive water storage and delivery system supplying water to millions of residents and vast agricultural areas.
-
B.
SWC
SWC is the abbreviation for the Southwest Conference, a former NCAA Division I college athletic conference that primarily featured schools from Texas and the surrounding region.
-
C.
WB
WB is the official vehicle registration code used for motor vehicles registered in the Indian state of West Bengal.
-
D.
SB
SB is the vehicle registration code used on license plates for cars registered in the city of Bielsko-Biała in southern Poland.
-
E.
SB
SB was the communist-era secret police and intelligence service of the Polish People's Republic, known for surveillance, repression, and political control.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
regional Bell operating company
ⓘ
telecommunications company ⓘ |
| abbreviationType | corporate abbreviation ⓘ |
| associatedWith |
AT&T
ⓘ
surface form:
AT&T Corporation
Bell System ⓘ |
| brandStatus | defunct ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dateOfEvent | 1984 Bell System divestiture ⓘ |
| formerNameOf |
SBC Communications
ⓘ
surface form:
SBC Communications Inc.
|
| fullName | Southwestern Bell ⓘ |
| headquartersLocation |
St. Louis, Missouri, United States
ⓘ
surface form:
St. Louis, Missouri
|
| historicalRole | major regional telephone company in the United States ⓘ |
| industry |
internet service
ⓘ
local telephone service ⓘ long-distance telephone service ⓘ telecommunications ⓘ wireless communications ⓘ |
| isAbbreviationOf | Southwestern Bell ⓘ |
| mergedInto |
AT&T
ⓘ
surface form:
AT&T Inc.
SBC Communications ⓘ
surface form:
SBC Communications Inc.
|
| notableFor | being one of the original Baby Bells created after the breakup of AT&T ⓘ |
| operatedIn |
Arkansas
ⓘ
Kansas ⓘ Missouri ⓘ Oklahoma ⓘ Texas ⓘ parts of other U.S. states ⓘ |
| originatedFrom |
United States v. AT&T
ⓘ
surface form:
Bell System divestiture
|
| ownedBrand |
Southwestern Bell
ⓘ
surface form:
Southwestern Bell Telephone
|
| ownershipChange | became part of AT&T through mergers and acquisitions ⓘ |
| parentCompany |
AT&T
ⓘ
surface form:
AT&T Inc.
|
| partOf |
AT&T
ⓘ
surface form:
AT&T Inc.
Baby Bells ⓘ |
| predecessor |
Southwestern Bell
ⓘ
surface form:
Southwestern Bell Telephone Company
|
| providedService |
business telephone service
ⓘ
directory assistance ⓘ public payphone service ⓘ residential telephone service ⓘ |
| regionServed |
southwestern United States
ⓘ
surface form:
Southwestern United States
|
| regulatoryStatus |
Regional Bell Operating Companies
ⓘ
surface form:
Regional Bell Operating Company
|
| serviceType |
local exchange carrier
ⓘ
regional telephone service provider ⓘ |
| successor |
AT&T
ⓘ
surface form:
AT&T Inc.
SBC Communications ⓘ
surface form:
SBC Communications Inc.
|
| telecomRegime | post-divestiture U.S. telecommunications market ⓘ |
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: SWB Description of subject: SWB is the commonly used abbreviation for Southwestern Bell, a major former regional telephone company in the United States that became part of AT&T.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.