Triple

T376908
Position Surface form Disambiguated ID Type / Status
Subject Kalorama E8390 entity
Predicate hasLandmark P105 FINISHED
Object Massachusetts Avenue Historic District (portion)
The Massachusetts Avenue Historic District (portion) in Kalorama is a notable stretch of Washington, D.C.’s “Embassy Row,” recognized for its grand early 20th-century mansions, diplomatic buildings, and historic architectural character.
 E47733 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: Massachusetts Avenue Historic District (portion) | Statement: [Kalorama, hasLandmark, Massachusetts Avenue Historic District (portion)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Massachusetts Avenue Historic District (portion)
Context triple: [Kalorama, hasLandmark, Massachusetts Avenue Historic District (portion)]
  • A. Brattle Street Historic District
    Brattle Street Historic District is a historic neighborhood in Cambridge, Massachusetts, known for its well-preserved 18th- and 19th-century residences and its association with prominent figures of American history.
  • B. Massachusetts Avenue (Cambridge)
    Massachusetts Avenue in Cambridge is a major thoroughfare that runs through key neighborhoods and commercial areas, including the heart of Harvard Square.
  • C. Boylston Street, Boston
    Boylston Street in Boston is a major downtown thoroughfare best known as the iconic finish-line location of the Boston Marathon.
  • D. Pemberton Square, Boston
    Pemberton Square in Boston is a historic civic space in the city's downtown area that houses key government and judicial buildings, including Massachusetts’ highest court.
  • E. Copley Square, Boston
    Copley Square, Boston is a prominent public square in the Back Bay neighborhood known for its historic architecture, cultural institutions, and role as the traditional finish area of the Boston Marathon.
  • 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: Massachusetts Avenue Historic District (portion)
Triple: [Kalorama, hasLandmark, Massachusetts Avenue Historic District (portion)]
Generated description
The Massachusetts Avenue Historic District (portion) in Kalorama is a notable stretch of Washington, D.C.’s “Embassy Row,” recognized for its grand early 20th-century mansions, diplomatic buildings, and historic architectural character.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Massachusetts Avenue Historic District (portion)
Target entity description: The Massachusetts Avenue Historic District (portion) in Kalorama is a notable stretch of Washington, D.C.’s “Embassy Row,” recognized for its grand early 20th-century mansions, diplomatic buildings, and historic architectural character.
  • A. Brattle Street Historic District
    Brattle Street Historic District is a historic neighborhood in Cambridge, Massachusetts, known for its well-preserved 18th- and 19th-century residences and its association with prominent figures of American history.
  • B. Massachusetts Avenue (Cambridge)
    Massachusetts Avenue in Cambridge is a major thoroughfare that runs through key neighborhoods and commercial areas, including the heart of Harvard Square.
  • C. Boylston Street, Boston
    Boylston Street in Boston is a major downtown thoroughfare best known as the iconic finish-line location of the Boston Marathon.
  • D. Pemberton Square, Boston
    Pemberton Square in Boston is a historic civic space in the city's downtown area that houses key government and judicial buildings, including Massachusetts’ highest court.
  • E. Copley Square, Boston
    Copley Square, Boston is a prominent public square in the Back Bay neighborhood known for its historic architecture, cultural institutions, and role as the traditional finish area of the Boston Marathon.
  • 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_69a2e7f2ec648190b42bc7db424f8109 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec1804108190a1e94526b71289ea completed Feb. 28, 2026, 1:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3f4dd9a1c8190a0fc7012a24425c4 completed March 1, 2026, 8:12 a.m.
NEDg Description generation batch_69a3f68ca09c81909c3ce88fe6c591dc completed March 1, 2026, 8:19 a.m.
NED2 Entity disambiguation (via description) batch_69a3f6fd5fa48190b79f9eaea79c4dec completed March 1, 2026, 8:21 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.