Triple

T1474996
Position Surface form Disambiguated ID Type / Status
Subject Brattle Street E30818 entity
Predicate hasPart P35 FINISHED
Object Lechmere-Sewall House
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.
 E172155 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Lechmere-Sewall House | Statement: [Brattle Street, hasPart, Lechmere-Sewall House]
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.
  • 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Lechmere-Sewall House
Triple: [Brattle Street, hasPart, Lechmere-Sewall House]
Generated 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.
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

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a498fe55a88190ab7f9e40ace88e49 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c6011d248190988380eca4ecf514 completed March 1, 2026, 11:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad232ab26c8190aa9fc95ff2fcf0eb completed March 8, 2026, 7:20 a.m.
NEDg Description generation batch_69ad23b8d570819099b953c7a60e9445 completed March 8, 2026, 7:22 a.m.
NED2 Entity disambiguation (via description) batch_69ad248193ec8190b0c08ef979661af0 completed March 8, 2026, 7:25 a.m.
Created at: March 1, 2026, 8:11 p.m.