Lechmere-Sewall House
E172155
The Lechmere-Sewall House is a historic 18th-century residence in Cambridge, Massachusetts, notable for its colonial architecture and association with prominent early American families.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fayerweather House | 1 |
| Lechmere-Sewall House canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1474996 — 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: Lechmere-Sewall House Context triple: [Brattle Street, hasPart, Lechmere-Sewall House]
-
A.
Moffatt-Ladd House
The Moffatt-Ladd House is a historic 18th-century Georgian mansion and museum in Portsmouth, New Hampshire, noted for its well-preserved architecture and role in early American history.
-
B.
Isaac Royall House
The Isaac Royall House is a historic colonial-era mansion and museum in Medford, Massachusetts, notable for its association with the Royall family, its well-preserved Georgian architecture, and its ties to the history of slavery in New England.
-
C.
William Brattle House
The William Brattle House is a historic 18th-century mansion in Cambridge, Massachusetts, notable as one of the city’s finest surviving examples of Georgian architecture and for its associations with prominent colonial and Revolutionary-era figures.
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D.
Grant-Humphreys Mansion
Grant-Humphreys Mansion is a historic Beaux-Arts mansion in Denver, Colorado, known for its association with prominent political figures and its use as an event and cultural venue.
-
E.
Hooper-Lee-Nichols House
The Hooper-Lee-Nichols House is one of the oldest surviving residences in Cambridge, Massachusetts, notable for its early 18th-century architecture and long association with prominent local families.
- 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: Lechmere-Sewall House Target entity description: The Lechmere-Sewall House is a historic 18th-century residence in Cambridge, Massachusetts, notable for its colonial architecture and association with prominent early American families.
-
A.
Moffatt-Ladd House
The Moffatt-Ladd House is a historic 18th-century Georgian mansion and museum in Portsmouth, New Hampshire, noted for its well-preserved architecture and role in early American history.
-
B.
Isaac Royall House
The Isaac Royall House is a historic colonial-era mansion and museum in Medford, Massachusetts, notable for its association with the Royall family, its well-preserved Georgian architecture, and its ties to the history of slavery in New England.
-
C.
William Brattle House
The William Brattle House is a historic 18th-century mansion in Cambridge, Massachusetts, notable as one of the city’s finest surviving examples of Georgian architecture and for its associations with prominent colonial and Revolutionary-era figures.
-
D.
Grant-Humphreys Mansion
Grant-Humphreys Mansion is a historic Beaux-Arts mansion in Denver, Colorado, known for its association with prominent political figures and its use as an event and cultural venue.
-
E.
Hooper-Lee-Nichols House
The Hooper-Lee-Nichols House is one of the oldest surviving residences in Cambridge, Massachusetts, notable for its early 18th-century architecture and long association with prominent local families.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
building
ⓘ
historic house ⓘ residence ⓘ |
| architecturalStyle | Colonial architecture ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasSignificantPeriod | 18th century ⓘ |
| heritageDesignation | historic 18th-century residence ⓘ |
| locatedInAdministrativeTerritorialEntity | Middlesex County, Massachusetts ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| location | Cambridge, Massachusetts ⓘ |
| notableFor |
association with prominent early American families
ⓘ
colonial architecture ⓘ |
| partOf | historic properties of Cambridge, Massachusetts ⓘ |
| usedAs | residential dwelling ⓘ |
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: Lechmere-Sewall House Description of subject: The Lechmere-Sewall House is a historic 18th-century residence in Cambridge, Massachusetts, notable for its colonial architecture and association with prominent early American families.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fayerweather House