Magrathea
E290432
Magrathea is the legendary planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series whose inhabitants built custom-designed luxury worlds for the galaxy's wealthiest clients.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Magrathea canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T2695451 — 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: Magrathea Context triple: [Slartibartfast, homeworld, Magrathea]
-
A.
Thebae
Thebae is the Latin name for the ancient Egyptian city of Thebes, a major religious and political center on the Nile known for its temples and royal necropolis.
-
B.
Erathem
An erathem is a formal chronostratigraphic unit representing the rock layers deposited during a corresponding geologic era in Earth’s history.
-
C.
Terrigal
Terrigal is a popular coastal town in New South Wales, Australia, known for its surf beaches, scenic headlands, and vibrant holiday atmosphere.
-
D.
Canazei
Canazei is a mountain village and ski resort in the Dolomites of northern Italy, known for winter sports and alpine tourism.
-
E.
Mondas
Mondas is the fictional twin planet of Earth in the Doctor Who universe, known as the original home of the Cybermen.
- 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: Magrathea Target entity description: Magrathea is the legendary planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series whose inhabitants built custom-designed luxury worlds for the galaxy's wealthiest clients.
-
A.
Thebae
Thebae is the Latin name for the ancient Egyptian city of Thebes, a major religious and political center on the Nile known for its temples and royal necropolis.
-
B.
Erathem
An erathem is a formal chronostratigraphic unit representing the rock layers deposited during a corresponding geologic era in Earth’s history.
-
C.
Terrigal
Terrigal is a popular coastal town in New South Wales, Australia, known for its surf beaches, scenic headlands, and vibrant holiday atmosphere.
-
D.
Canazei
Canazei is a mountain village and ski resort in the Dolomites of northern Italy, known for winter sports and alpine tourism.
-
E.
Mondas
Mondas is the fictional twin planet of Earth in the Doctor Who universe, known as the original home of the Cybermen.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
fictional planet
ⓘ
location in fiction ⓘ |
| appearsIn | The Hitchhiker's Guide to the Galaxy ⓘ |
| appearsInSeries |
The Hitchhiker's Guide to the Galaxy series
ⓘ
linked to:
The Hitchhiker's Guide to the Galaxy
|
| associatedWith |
Slartibartfast
ⓘ
planet designers ⓘ |
| clientele |
galaxy's wealthiest inhabitants
ⓘ
ultra-rich customers ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| creator | Douglas Adams ⓘ |
| defenseSystem | automated missile systems ⓘ |
| economy | planet construction industry ⓘ |
| eraOfProsperity | time of great galactic wealth ⓘ |
| firstAppearance |
novel "The Hitchhiker's Guide to the Galaxy"
ⓘ
radio series "The Hitchhiker's Guide to the Galaxy" ⓘ |
| genre | comic science fiction ⓘ |
| governedBy | Magrathean planetary designers ⓘ |
| hasFeature |
automated manufacturing lines
ⓘ
hibernation systems for inhabitants ⓘ planet design bays ⓘ subterranean construction facilities ⓘ |
| inspiredBy | satire of luxury and wealth ⓘ |
| languageOfWork | English ⓘ |
| laterStatus |
economically dormant
ⓘ
went into hibernation ⓘ |
| locatedIn | fictional galaxy of The Hitchhiker's Guide to the Galaxy ⓘ |
| medium |
2005 film adaptation
ⓘ
novels ⓘ radio series ⓘ television adaptation ⓘ |
| narrativeFunction |
explores absurdity of custom-made worlds
ⓘ
explores themes of consumerism ⓘ |
| notableFor |
building custom-designed luxury planets
ⓘ
construction of the planet Earth ⓘ serving the galaxy's wealthiest clients ⓘ |
| product |
Earth
ⓘ
luxury planets ⓘ |
| role |
legendary planet
ⓘ
planet-building world ⓘ |
| service |
designing custom planets
ⓘ
manufacturing luxury planets ⓘ |
| statusInStory |
considered legendary
ⓘ
thought to be a myth ⓘ |
| technology | advanced planet construction technology ⓘ |
| universe |
Hitchhiker's Guide universe
ⓘ
linked to:
The Hitchhiker's Guide to the Galaxy
|
| visitedBy |
Arthur Dent
ⓘ
Ford Prefect ⓘ Marvin the Paranoid Android ⓘ Trillian ⓘ Zaphod Beeblebrox ⓘ |
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: Magrathea Description of subject: Magrathea is the legendary planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series whose inhabitants built custom-designed luxury worlds for the galaxy's wealthiest clients.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.