What Was It? A Mystery
E1011705
"What Was It? A Mystery" is an 1859 supernatural short story by Fitz-James O’Brien, often cited as an early example of invisible-creature horror fiction.
All labels observed (1)
| Label | Occurrences |
|---|---|
| What Was It? A Mystery canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T12922388 — 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: What Was It? A Mystery Context triple: [Fitz-James O’Brien, notableWork, What Was It? A Mystery]
-
A.
It’s a Mystery
"It’s a Mystery" is a 1995 rock album by American singer-songwriter Bob Seger, known for its heartland rock sound and reflective lyrics.
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B.
The Mystery
"The Mystery" is a poem by English poet Ralph Hodgson, reflecting his characteristic blend of lyricism, mysticism, and nature imagery.
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C.
Mystery to Me
Mystery to Me is a 1973 rock album by Fleetwood Mac, known for its melodic soft-rock sound and songs like "Hypnotized."
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D.
The Story of a Mystery
The Story of a Mystery is a lesser-known work of Victorian popular fiction by British author Hugh Conway, who was famed for his suspenseful and melodramatic tales.
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E.
Mystery Date
Mystery Date is a 1991 romantic comedy film about a young man whose attempt at a perfect first date spirals into a night of mistaken identity and dangerous misadventures.
- 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: What Was It? A Mystery Target entity description: "What Was It? A Mystery" is an 1859 supernatural short story by Fitz-James O’Brien, often cited as an early example of invisible-creature horror fiction.
-
A.
It’s a Mystery
"It’s a Mystery" is a 1995 rock album by American singer-songwriter Bob Seger, known for its heartland rock sound and reflective lyrics.
-
B.
The Mystery
"The Mystery" is a poem by English poet Ralph Hodgson, reflecting his characteristic blend of lyricism, mysticism, and nature imagery.
-
C.
Mystery to Me
Mystery to Me is a 1973 rock album by Fleetwood Mac, known for its melodic soft-rock sound and songs like "Hypnotized."
-
D.
The Story of a Mystery
The Story of a Mystery is a lesser-known work of Victorian popular fiction by British author Hugh Conway, who was famed for his suspenseful and melodramatic tales.
-
E.
Mystery Date
Mystery Date is a 1991 romantic comedy film about a young man whose attempt at a perfect first date spirals into a night of mistaken identity and dangerous misadventures.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
American literature
ⓘ
horror fiction ⓘ short story ⓘ supernatural fiction ⓘ |
| associatedMovement | early American weird fiction ⓘ |
| author | Fitz-James O’Brien ⓘ |
| centralTheme |
fear of the invisible
ⓘ
rationality versus the supernatural ⓘ the unknown ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| firstPublicationMedium | periodical press ⓘ |
| form | short prose narrative ⓘ |
| genre |
invisible-creature horror
ⓘ
supernatural horror ⓘ weird fiction ⓘ |
| hasCharacter |
Dr. Hammond
ⓘ
Harry ⓘ the invisible creature ⓘ |
| hasTitle | What Was It? A Mystery ⓘ |
| literaryPeriod | 19th century ⓘ |
| narrativePerspective | first-person ⓘ |
| notableFor |
early depiction of an invisible monster in fiction
ⓘ
influence on later horror and weird fiction ⓘ |
| originalLanguage | English ⓘ |
| plotElement |
attack by an unseen assailant in a boarding house room
ⓘ
attempts to study and classify the invisible creature ⓘ capture and restraint of an invisible being ⓘ |
| publicationDecade | 1850s ⓘ |
| publicationYear | 1859 ⓘ |
| settingLocation | New York City ⓘ |
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: What Was It? A Mystery Description of subject: "What Was It? A Mystery" is an 1859 supernatural short story by Fitz-James O’Brien, often cited as an early example of invisible-creature horror fiction.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.