Lyman Estate
E98275
Lyman Estate is a historic 18th-century country house and estate in Waltham, Massachusetts, noted for its Federal-style architecture and landscaped grounds.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lyman Estate canonical | 1 |
| Lyman Estate Historic District | 1 |
| Lyman Estate Mansion | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T818357 — 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: Lyman Estate Context triple: [Waltham, Massachusetts, hasLandmark, Lyman Estate]
-
A.
Brooks Estate
Brooks Estate is a historic 19th-century estate and conservation area in Medford, Massachusetts, known for its preserved mansion, carriage house, and surrounding open space.
-
B.
Bingham-Waggoner Estate
The Bingham-Waggoner Estate is a historic 19th-century mansion and former home of artist-politician George Caleb Bingham, now preserved as a museum in Independence, Missouri.
-
C.
Arlington Estate
Arlington Estate is the historic Virginia plantation that served as the home of the Custis-Lee family and later became the site of Arlington National Cemetery.
-
D.
Emlen Physick Estate
The Emlen Physick Estate is a preserved Victorian house museum in Cape May, New Jersey, renowned as an outstanding example of Stick Style architecture and 19th-century seaside resort life.
-
E.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
- 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: Lyman Estate Target entity description: Lyman Estate is a historic 18th-century country house and estate in Waltham, Massachusetts, noted for its Federal-style architecture and landscaped grounds.
-
A.
Brooks Estate
Brooks Estate is a historic 19th-century estate and conservation area in Medford, Massachusetts, known for its preserved mansion, carriage house, and surrounding open space.
-
B.
Bingham-Waggoner Estate
The Bingham-Waggoner Estate is a historic 19th-century mansion and former home of artist-politician George Caleb Bingham, now preserved as a museum in Independence, Missouri.
-
C.
Arlington Estate
Arlington Estate is the historic Virginia plantation that served as the home of the Custis-Lee family and later became the site of Arlington National Cemetery.
-
D.
Emlen Physick Estate
The Emlen Physick Estate is a preserved Victorian house museum in Cape May, New Jersey, renowned as an outstanding example of Stick Style architecture and 19th-century seaside resort life.
-
E.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
country estate
ⓘ
historic house ⓘ museum ⓘ tourist attraction ⓘ |
| architect | Samuel McIntire ⓘ |
| architecturalStyle | Federal style ⓘ |
| builtFor |
Theodore Lyman III
ⓘ
surface form:
Theodore Lyman
|
| category |
Federal architecture in Massachusetts
ⓘ
Historic house museums in Massachusetts ⓘ Houses on the National Register of Historic Places in Waltham, Massachusetts ⓘ National Historic Landmarks in Massachusetts ⓘ |
| city | Waltham NERFINISHED ⓘ |
| completionDate | 1793 ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| greenhouseSpecialty |
camellias
ⓘ
exotic plants ⓘ |
| hasPart |
Lyman Estate Greenhouses
ⓘ
Lyman Estate self-linksurface differs ⓘ
surface form:
Lyman Estate Mansion
landscaped grounds ⓘ |
| hasUse |
event venue
ⓘ
historic house museum ⓘ wedding venue ⓘ |
| heritageDesignation |
National Historic Landmark
ⓘ
National Register of Historic Places ⓘ
surface form:
National Register of Historic Places listing
|
| historicPeriod | 18th century ⓘ |
| historicUse |
country retreat
ⓘ
gentleman’s farm ⓘ |
| inception | 1793 ⓘ |
| landscapeFeature |
formal gardens
ⓘ
rolling lawns ⓘ wooded areas ⓘ |
| location | Waltham, Massachusetts NERFINISHED ⓘ |
| namedAfter |
Theodore Lyman III
ⓘ
surface form:
Theodore Lyman
|
| NRHPReferenceNumber | 70000738 ⓘ |
| NRHPType | building ⓘ |
| openToPublic | yes ⓘ |
| operator | Historic New England ⓘ |
| ownedBy | Historic New England ⓘ |
| partOf | Waltham Multiple Resource Area ⓘ |
| preservationOrganization | Historic New England ⓘ |
| publicAccess |
guided tours
ⓘ
private events by reservation ⓘ |
| region | New England ⓘ |
| state | Massachusetts ⓘ |
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: Lyman Estate Description of subject: Lyman Estate is a historic 18th-century country house and estate in Waltham, Massachusetts, noted for its Federal-style architecture and landscaped grounds.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lyman Estate Historic District
this entity surface form:
Lyman Estate Mansion