Murray & Roberts
E94882
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Murray & Roberts canonical | 1 |
| Murray & Roberts Cementation | 1 |
| Murray & Roberts Infrastructure & Building | 1 |
| Murray & Roberts Oil & Gas | 1 |
| Murray & Roberts Power & Energy | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T796639 — 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: Murray & Roberts Context triple: [Burj Al Arab, mainContractor, Murray & Roberts]
-
A.
Graham-Newman Corporation
Graham-Newman Corporation was an influential mid-20th-century investment partnership known for pioneering value investing principles under Benjamin Graham’s leadership.
-
B.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
-
C.
The Woodbridge Company
The Woodbridge Company is a Canadian private holding and investment firm that serves as the primary investment vehicle for the Thomson family, including its controlling interest in Thomson Reuters.
-
D.
Holabird & Roche
Holabird & Roche was a prominent Chicago-based architectural firm known for its influential early skyscraper designs and major civic projects in the late 19th and early 20th centuries.
-
E.
Martin Marietta
Martin Marietta was a major American aerospace and defense contractor known for building rockets, spacecraft components, and other systems for U.S. military and civilian space programs.
- 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: Murray & Roberts Target entity description: Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
-
A.
Graham-Newman Corporation
Graham-Newman Corporation was an influential mid-20th-century investment partnership known for pioneering value investing principles under Benjamin Graham’s leadership.
-
B.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
-
C.
The Woodbridge Company
The Woodbridge Company is a Canadian private holding and investment firm that serves as the primary investment vehicle for the Thomson family, including its controlling interest in Thomson Reuters.
-
D.
Holabird & Roche
Holabird & Roche was a prominent Chicago-based architectural firm known for its influential early skyscraper designs and major civic projects in the late 19th and early 20th centuries.
-
E.
Martin Marietta
Martin Marietta was a major American aerospace and defense contractor known for building rockets, spacecraft components, and other systems for U.S. military and civilian space programs.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
engineering and construction company
ⓘ
public company ⓘ |
| basedInCity | Bedfordview ⓘ |
| basedInProvince | Gauteng ⓘ |
| country | South Africa ⓘ |
| formedByMergerOf |
Murray & Stewart
ⓘ
Roberts Construction ⓘ |
| foundedAs |
Murray & Stewart
ⓘ
Roberts Construction ⓘ |
| foundedInPeriod | early 20th century ⓘ |
| hasAbbreviation | M&R ⓘ |
| hasBusinessSegment |
Murray & Roberts
self-linksurface differs
ⓘ
surface form:
Murray & Roberts Cementation
Murray & Roberts self-linksurface differs ⓘ
surface form:
Murray & Roberts Infrastructure & Building
Murray & Roberts self-linksurface differs ⓘ
surface form:
Murray & Roberts Oil & Gas
Murray & Roberts self-linksurface differs ⓘ
surface form:
Murray & Roberts Power & Energy
|
| hasClientType |
government
ⓘ
industrial corporations ⓘ mining companies ⓘ oil and gas companies ⓘ state-owned enterprises ⓘ |
| hasLanguageOfWork | English ⓘ |
| hasWebsite | https://www.murrob.com ⓘ |
| headquartersCountry | South Africa ⓘ |
| headquartersLocation |
Johannesburg, South Africa
ⓘ
surface form:
Johannesburg
|
| industry |
construction
ⓘ
engineering ⓘ mining services ⓘ oil and gas services ⓘ power and energy ⓘ |
| knownFor |
delivering large, complex projects
ⓘ
international project delivery ⓘ |
| listedOn | Johannesburg Stock Exchange ⓘ |
| notableProjectType |
large commercial buildings
ⓘ
mining infrastructure ⓘ power generation facilities ⓘ transport infrastructure ⓘ |
| operatesInRegion |
Africa
ⓘ
Asia-Pacific ⓘ
surface form:
Australasia
Middle East ⓘ North America ⓘ |
| specializesIn |
civil engineering
ⓘ
complex engineering projects ⓘ industrial construction ⓘ large infrastructure projects ⓘ oil and gas infrastructure ⓘ power station construction ⓘ underground mining development ⓘ |
| stockExchangeTicker | MUR ⓘ |
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: Murray & Roberts Description of subject: Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Murray & Roberts Cementation
this entity surface form:
Murray & Roberts Power & Energy
this entity surface form:
Murray & Roberts Oil & Gas
this entity surface form:
Murray & Roberts Infrastructure & Building