Triple

T141469
Position Surface form Disambiguated ID Type / Status
Subject Harvard Square E2859 entity
Predicate hasPart P35 FINISHED
Object Harvard Square–Brattle Street Historic District
The Harvard Square–Brattle Street Historic District is a historically significant area in Cambridge, Massachusetts, known for its well-preserved colonial and 19th-century architecture and its close association with Harvard University.
E2859 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: Harvard Square–Brattle Street Historic District | Statement: [Harvard Square, hasPart, Harvard Square–Brattle Street Historic District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harvard Square–Brattle Street Historic District
Context triple: [Harvard Square, hasPart, Harvard Square–Brattle Street Historic District]
  • A. Harvard Square
    Harvard Square is a historic commercial and cultural center in Cambridge, Massachusetts, known for its vibrant mix of shops, restaurants, street performers, and its proximity to Harvard University.
  • B. Harvard Yard
    Harvard Yard is the historic central area of Harvard University’s campus in Cambridge, Massachusetts, known for its iconic brick buildings, freshman dormitories, and academic landmarks.
  • C. Porter Square
    Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
  • D. 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.
  • E. 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.
  • 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: Harvard Square–Brattle Street Historic District
Triple: [Harvard Square, hasPart, Harvard Square–Brattle Street Historic District]
Generated description
The Harvard Square–Brattle Street Historic District is a historically significant area in Cambridge, Massachusetts, known for its well-preserved colonial and 19th-century architecture and its close association with Harvard University.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harvard Square–Brattle Street Historic District
Target entity description: The Harvard Square–Brattle Street Historic District is a historically significant area in Cambridge, Massachusetts, known for its well-preserved colonial and 19th-century architecture and its close association with Harvard University.
  • A. Harvard Square chosen
    Harvard Square is a historic commercial and cultural center in Cambridge, Massachusetts, known for its vibrant mix of shops, restaurants, street performers, and its proximity to Harvard University.
  • B. Harvard Yard
    Harvard Yard is the historic central area of Harvard University’s campus in Cambridge, Massachusetts, known for its iconic brick buildings, freshman dormitories, and academic landmarks.
  • C. Porter Square
    Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
  • D. 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.
  • E. 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.
  • F. None of above.

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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257c7e79c8190b3e5a2983035a972 completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2c27487c08190a4a356a4ad7b411b completed Feb. 28, 2026, 10:24 a.m.
NEDg Description generation batch_69a2c34b58d48190b4a5bfdd31d7bfaa completed Feb. 28, 2026, 10:28 a.m.
NED2 Entity disambiguation (via description) batch_69a2c3880b688190a415b89e0a8ffc59 completed Feb. 28, 2026, 10:29 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.