The Door into Summer
E490047
The Door into Summer is a 1957 science fiction novel by Robert A. Heinlein that blends time travel, suspended animation, and a quest for second chances in mid-20th-century America.
All labels observed (3)
| Label | Occurrences |
|---|---|
| The Door into Summer canonical | 3 |
| The Door Into Summer | 1 |
| The Door into Summer (protagonist) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5066609 — 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: The Door into Summer Context triple: [Robert A. Heinlein, notableWork, The Door into Summer]
-
A.
The Light of Other Days
The Light of Other Days is a science fiction novel that explores the social and ethical consequences of a technology that allows people to see anywhere in space and time, co-written by Stephen Baxter and Arthur C. Clarke.
-
B.
The Distant Hours
The Distant Hours is a gothic historical novel by Australian author Kate Morton that weaves together family secrets, wartime memories, and a mysterious English castle.
-
C.
Infants of the Spring
Infants of the Spring is a satirical novel by Harlem Renaissance writer Wallace Thurman that critiques the artistic and social life of 1920s Harlem.
-
D.
The High Window
The High Window is a 1942 hardboiled detective novel by Raymond Chandler featuring private investigator Philip Marlowe as he unravels a case involving a missing rare coin and a wealthy, troubled family.
-
E.
Book of Dreams
"Book of Dreams" is a song by Bruce Springsteen from his 1992 album *Lucky Town*, known for its intimate, romantic lyrics and reflective tone.
- 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: The Door into Summer Target entity description: The Door into Summer is a 1957 science fiction novel by Robert A. Heinlein that blends time travel, suspended animation, and a quest for second chances in mid-20th-century America.
-
A.
The Light of Other Days
The Light of Other Days is a science fiction novel that explores the social and ethical consequences of a technology that allows people to see anywhere in space and time, co-written by Stephen Baxter and Arthur C. Clarke.
-
B.
The Distant Hours
The Distant Hours is a gothic historical novel by Australian author Kate Morton that weaves together family secrets, wartime memories, and a mysterious English castle.
-
C.
Infants of the Spring
Infants of the Spring is a satirical novel by Harlem Renaissance writer Wallace Thurman that critiques the artistic and social life of 1920s Harlem.
-
D.
The High Window
The High Window is a 1942 hardboiled detective novel by Raymond Chandler featuring private investigator Philip Marlowe as he unravels a case involving a missing rare coin and a wealthy, troubled family.
-
E.
Book of Dreams
"Book of Dreams" is a song by Bruce Springsteen from his 1992 album *Lucky Town*, known for its intimate, romantic lyrics and reflective tone.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | science fiction novel ⓘ |
| adaptationCountry | Japan ⓘ |
| adaptationLanguage | Japanese ⓘ |
| adaptationMedium | live-action film ⓘ |
| author | Robert A. Heinlein ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| coverArtist | Clifford Geary ⓘ |
| featuresCharacter |
Petronius the Arbiter
ⓘ
linked to:
Petronius
Ricky ⓘ |
| firstPublicationFormat | book ⓘ |
| genre |
hard science fiction
ⓘ
science fiction ⓘ time travel fiction ⓘ |
| hasAdaptation | The Door into Summer (2021 Japanese film) ⓘ |
| hasCategory |
1957 American novels
ⓘ
American science fiction novels ⓘ Doubleday books ⓘ
linked to:
Doubleday
Novels by Robert A. Heinlein ⓘ Time travel novels ⓘ |
| hasInfluenceOn | later time travel fiction ⓘ |
| hasISBN | 9780345330123 ⓘ |
| hasMotif |
alternate timelines
ⓘ
search for a better future ⓘ |
| hasReception | considered a classic of time travel science fiction ⓘ |
| hasTheme |
betrayal
ⓘ
personal redemption ⓘ romantic love ⓘ second chances ⓘ suspended animation ⓘ technological innovation ⓘ time travel ⓘ |
| includedIn | Heinlein’s mid-period works ⓘ |
| language | English ⓘ |
| literaryPeriod |
Golden Age of science fiction
ⓘ
linked to:
Golden Age of Science Fiction
|
| mainCharacter | Daniel Boone Davis ⓘ |
| narrativePerspective | first-person ⓘ |
| originalPublisherCountry |
United States
ⓘ
linked to:
United States of America
|
| protagonistOccupation | inventor ⓘ |
| publicationYear | 1957 ⓘ |
| publisher | Doubleday ⓘ |
| settingTime | mid-20th-century America ⓘ |
| structure | nonlinear timeline ⓘ |
| titleOrigin | inspired by a cat looking for a better door in winter ⓘ |
| usesDevice |
cryogenic suspension
ⓘ
time machine ⓘ |
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: The Door into Summer Description of subject: The Door into Summer is a 1957 science fiction novel by Robert A. Heinlein that blends time travel, suspended animation, and a quest for second chances in mid-20th-century America.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: The Door into Summer
linked to: The Door into Summer