WCOM
E216129
WCOM was the former stock ticker symbol for MCI Inc., a major U.S. telecommunications company that played a significant role in long-distance and internet services before its collapse in the early 2000s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| WCOM canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1937580 — 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: WCOM Context triple: [MCI Inc., tickerSymbol, WCOM]
-
A.
WTN
WTN is the IATA airport code for RAF Waddington, a Royal Air Force station in Lincolnshire, England.
-
B.
WATH
WATH is a local radio station serving the Athens, Ohio area with news, talk, and music programming.
-
C.
WFM (former)
WFM (former) was the stock ticker symbol under which Whole Foods Market was publicly traded before its acquisition by Amazon.
-
D.
Volacom
Volacom is a company founded by Tesla co-founder and battery technology pioneer JB Straubel, likely focused on advanced engineering and sustainable technology solutions.
-
E.
WCP
WCP is the abbreviation for the World Climate Programme, an international initiative focused on understanding and addressing global climate variability and change.
- 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: WCOM Target entity description: WCOM was the former stock ticker symbol for MCI Inc., a major U.S. telecommunications company that played a significant role in long-distance and internet services before its collapse in the early 2000s.
-
A.
WTN
WTN is the IATA airport code for RAF Waddington, a Royal Air Force station in Lincolnshire, England.
-
B.
WATH
WATH is a local radio station serving the Athens, Ohio area with news, talk, and music programming.
-
C.
WFM (former)
WFM (former) was the stock ticker symbol under which Whole Foods Market was publicly traded before its acquisition by Amazon.
-
D.
Volacom
Volacom is a company founded by Tesla co-founder and battery technology pioneer JB Straubel, likely focused on advanced engineering and sustainable technology solutions.
-
E.
WCP
WCP is the abbreviation for the World Climate Programme, an international initiative focused on understanding and addressing global climate variability and change.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
stock ticker symbol
ⓘ
telecommunications company ⓘ telecommunications company ⓘ telecommunications company ⓘ |
| acquired | MCI Inc. ⓘ |
| acquiredBy |
Verizon
ⓘ
surface form:
Verizon Communications
|
| acquisitionYear | 2006 ⓘ |
| associatedCompanyType | public company ⓘ |
| associatedWith |
Bernard Ebbers
ⓘ
WorldCom, Inc. ⓘ
surface form:
WorldCom
accounting scandal ⓘ bankruptcy ⓘ corporate fraud ⓘ internet services ⓘ long-distance telephone services ⓘ telecom bubble of the late 1990s ⓘ |
| bankruptcyYear | 2002 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
United States of America ⓘ
surface form:
United States
United States of America ⓘ
surface form:
United States
|
| filedFor | bankruptcy ⓘ |
| headquartersLocation |
Ashburn
ⓘ
surface form:
Ashburn, Virginia
|
| industry |
telecommunications
ⓘ
telecommunications ⓘ telecommunications ⓘ |
| laterRenamed | MCI Inc. ⓘ |
| notableFor |
involvement in major accounting scandal via WorldCom
ⓘ
one of the largest accounting frauds in U.S. history ⓘ role in U.S. long-distance competition ⓘ role in development of the commercial internet ⓘ |
| parentCompany |
Verizon
ⓘ
surface form:
Verizon Communications
|
| predecessor |
MCI Inc.
ⓘ
surface form:
MCI Communications
WorldCom, Inc. ⓘ
surface form:
WorldCom
|
| providedService |
data communications services
ⓘ
internet backbone services ⓘ long-distance telephone services ⓘ |
| represents | MCI Inc. ⓘ |
| status |
defunct
ⓘ
defunct ⓘ |
| stockExchange |
NASDAQ
ⓘ
NASDAQ ⓘ NASDAQ ⓘ |
| stockTicker |
WCOM
self-linksurface differs
ⓘ
WCOM self-linksurface differs ⓘ |
| successor |
MCI Inc.
ⓘ
Verizon ⓘ
surface form:
Verizon Communications
|
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: WCOM Description of subject: WCOM was the former stock ticker symbol for MCI Inc., a major U.S. telecommunications company that played a significant role in long-distance and internet services before its collapse in the early 2000s.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
MCI Inc.
subject surface form:
WorldCom