Sidney Glass
E563205
Sidney Glass is a fictional character from the television series "Once Upon a Time," portrayed as the duplicitous reporter and magic mirror by actor Giancarlo Esposito.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sidney Glass canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6043861 — 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: Sidney Glass Context triple: [Giancarlo Esposito, characterPortrayed, Sidney Glass]
-
A.
Van Nest Polglase
Van Nest Polglase was a prominent American art director and production designer of Hollywood’s Golden Age, known for his stylish, sophisticated sets in classic films of the 1930s and 1940s.
-
B.
Charles Stillman
Charles Stillman was an American labor leader and educator best known for helping to establish the American Federation of Teachers as a national teachers’ union.
-
C.
Sidney Miller
Sidney Miller was a person significant enough in the history or founding of Millerton, New York, that the village was named in his honor.
-
D.
Sidney Badgley
Sidney Badgley was a Canadian-born architect known for designing prominent churches and public buildings across North America in the late 19th and early 20th centuries.
-
E.
Heinrich Gladney
Heinrich Gladney is a precocious, intellectually intense teenage boy in Don DeLillo’s novel "White Noise," known for his philosophical debates and skeptical view of contemporary life.
- 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: Sidney Glass Target entity description: Sidney Glass is a fictional character from the television series "Once Upon a Time," portrayed as the duplicitous reporter and magic mirror by actor Giancarlo Esposito.
-
A.
Van Nest Polglase
Van Nest Polglase was a prominent American art director and production designer of Hollywood’s Golden Age, known for his stylish, sophisticated sets in classic films of the 1930s and 1940s.
-
B.
Charles Stillman
Charles Stillman was an American labor leader and educator best known for helping to establish the American Federation of Teachers as a national teachers’ union.
-
C.
Sidney Miller
Sidney Miller was a person significant enough in the history or founding of Millerton, New York, that the village was named in his honor.
-
D.
Sidney Badgley
Sidney Badgley was a Canadian-born architect known for designing prominent churches and public buildings across North America in the late 19th and early 20th centuries.
-
E.
Heinrich Gladney
Heinrich Gladney is a precocious, intellectually intense teenage boy in Don DeLillo’s novel "White Noise," known for his philosophical debates and skeptical view of contemporary life.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
fictional character
ⓘ
television character ⓘ |
| alsoKnownAs | The Mirror NERFINISHED ⓘ |
| appearsIn | Once Upon a Time NERFINISHED ⓘ |
| appearsInGenre | fantasy ⓘ |
| appearsInUniverse |
Enchanted Forest
NERFINISHED
ⓘ
Storybrooke NERFINISHED ⓘ |
| associatedWith |
Emma Swan
NERFINISHED
ⓘ
Regina Mills / Evil Queen NERFINISHED ⓘ Snow White NERFINISHED ⓘ |
| basedOn |
Genie
NERFINISHED
ⓘ
Magic Mirror NERFINISHED ⓘ |
| createdBy |
Adam Horowitz
NERFINISHED
ⓘ
Edward Kitsis NERFINISHED ⓘ |
| firstAppearance | Once Upon a Time season 1 NERFINISHED ⓘ |
| gender | male ⓘ |
| genre | fantasy television ⓘ |
| hasAlias |
Genie of Agrabah
NERFINISHED
ⓘ
Magic Mirror NERFINISHED ⓘ |
| hasPower | magical surveillance through mirrors ⓘ |
| loyalTo | Regina Mills NERFINISHED ⓘ |
| medium | television series ⓘ |
| nationalityInStory | American (Storybrooke identity) ⓘ |
| networkOfSeries | ABC NERFINISHED ⓘ |
| occupation |
journalist
ⓘ
reporter ⓘ |
| originWorld | Enchanted Forest NERFINISHED ⓘ |
| partOfFranchise | Once Upon a Time franchise NERFINISHED ⓘ |
| portrayedBy | Giancarlo Esposito NERFINISHED ⓘ |
| roleInStory |
Regina Mills' henchman
ⓘ
antagonist ⓘ |
| setting | Storybrooke, Maine NERFINISHED ⓘ |
| species | human ⓘ |
| trappedIn | mirror ⓘ |
| worksFor | The Daily Mirror NERFINISHED ⓘ |
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: Sidney Glass Description of subject: Sidney Glass is a fictional character from the television series "Once Upon a Time," portrayed as the duplicitous reporter and magic mirror by actor Giancarlo Esposito.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.