MCI Inc.
E41476
MCI Inc. was a major American telecommunications company and long-distance service provider that played a key role in breaking AT&T’s monopoly before eventually being acquired by Verizon.
All labels observed (4)
| Label | Occurrences |
|---|---|
| MCI Inc. canonical | 11 |
| MCI Communications | 6 |
| MCI | 5 |
| MCI Communications Corporation | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T322107 — 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: MCI Inc. Context triple: [Verizon, acquired, MCI Inc.]
-
A.
NCR Corporation
NCR Corporation is a global technology company best known for its point-of-sale systems, ATMs, and other financial and retail transaction solutions.
-
B.
Meredith Corporation
Meredith Corporation was a major American media and marketing company best known for its portfolio of lifestyle magazines and television broadcasting assets.
-
C.
Goodrich Corporation
Goodrich Corporation was a major American aerospace and defense company known for manufacturing aircraft systems and components before its acquisition by United Technologies Corporation.
-
D.
Cox Enterprises
Cox Enterprises is a major U.S. privately held media, communications, and automotive services conglomerate.
-
E.
Wirtz Corporation
Wirtz Corporation is a Chicago-based, family-owned holding company with major interests in sports, liquor distribution, and real estate, best known for controlling the NHL’s Chicago Blackhawks.
- 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: MCI Inc. Target entity description: MCI Inc. was a major American telecommunications company and long-distance service provider that played a key role in breaking AT&T’s monopoly before eventually being acquired by Verizon.
-
A.
NCR Corporation
NCR Corporation is a global technology company best known for its point-of-sale systems, ATMs, and other financial and retail transaction solutions.
-
B.
Meredith Corporation
Meredith Corporation was a major American media and marketing company best known for its portfolio of lifestyle magazines and television broadcasting assets.
-
C.
Goodrich Corporation
Goodrich Corporation was a major American aerospace and defense company known for manufacturing aircraft systems and components before its acquisition by United Technologies Corporation.
-
D.
Cox Enterprises
Cox Enterprises is a major U.S. privately held media, communications, and automotive services conglomerate.
-
E.
Wirtz Corporation
Wirtz Corporation is a Chicago-based, family-owned holding company with major interests in sports, liquor distribution, and real estate, best known for controlling the NHL’s Chicago Blackhawks.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
public company
ⓘ
telecommunications company ⓘ |
| acquiredBy |
Verizon
ⓘ
surface form:
Verizon Communications
|
| acquisitionDate | 2006 ⓘ |
| acquisitionValue | approximately 8.5 billion US dollars ⓘ |
| bankruptcyFilingDate | 2002 ⓘ |
| competitor |
AT&T
ⓘ
Sprint Corporation ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dateFounded | 1963 ⓘ |
| dissolved | 2006 ⓘ |
| emergedFromBankruptcy | 2004 ⓘ |
| formerName |
MCI Inc.
self-linksurface differs
ⓘ
surface form:
MCI Communications Corporation
WorldCom, Inc. ⓘ |
| foundedBy |
Jack Goeken
ⓘ
William G. McGowan ⓘ |
| headquartersLocation |
Ashburn
ⓘ
surface form:
Ashburn, Virginia
Clinton, Mississippi ⓘ Washington, D.C. ⓘ |
| industry |
long-distance telephone service
ⓘ
telecommunications ⓘ |
| keyPerson |
Bernard Ebbers
ⓘ
Michael Capellas ⓘ
surface form:
Michael D. Capellas
William G. McGowan ⓘ |
| majorEvent |
WorldCom accounting scandal and bankruptcy
ⓘ
merger with WorldCom in 1998 ⓘ |
| networkType | long-distance fiber-optic network ⓘ |
| notableCase | MCI v. AT&T ⓘ |
| notableFor |
challenging AT&T long-distance monopoly in the United States
ⓘ
landmark antitrust litigation against AT&T ⓘ |
| originalBusiness | microwave carrier services ⓘ |
| parentCompany |
Verizon
ⓘ
surface form:
Verizon Communications
|
| placeFounded | Jackson, Mississippi ⓘ |
| predecessor |
MCI Inc.
self-linksurface differs
ⓘ
surface form:
MCI Communications Corporation
WorldCom, Inc. ⓘ
surface form:
WorldCom
|
| product |
calling cards
ⓘ
data communications services ⓘ frame relay and private line services ⓘ internet backbone services ⓘ local telephone service ⓘ long-distance telephone service ⓘ |
| rebrandedAs | MCI Inc. after WorldCom bankruptcy ⓘ |
| regulatoryBody | Federal Communications Commission ⓘ |
| regulatoryEvent | contributed to AT&T divestiture in 1984 ⓘ |
| roleInIndustry | pioneer in competitive long-distance telephony in the US ⓘ |
| serviceArea |
international telecommunications services
ⓘ
nationwide long-distance service in the United States ⓘ |
| stockExchangeListing | NASDAQ ⓘ |
| successor |
Verizon
ⓘ
surface form:
Verizon Business
|
| tickerSymbol |
MCIP
ⓘ
WCOM ⓘ |
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: MCI Inc. Description of subject: MCI Inc. was a major American telecommunications company and long-distance service provider that played a key role in breaking AT&T’s monopoly before eventually being acquired by Verizon.
Referenced by (26)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MCI Communications
this entity surface form:
MCI
this entity surface form:
MCI Communications Corporation
this entity surface form:
MCI Communications Corporation
this entity surface form:
MCI
this entity surface form:
MCI Communications
this entity surface form:
MCI Communications Corporation
this entity surface form:
MCI Communications Corporation
subject surface form:
MCI Inc.
this entity surface form:
MCI Communications
subject surface form:
MCI Inc.
this entity surface form:
MCI Communications
subject surface form:
WorldCom
this entity surface form:
MCI Communications
this entity surface form:
MCI Communications