Triple

T3694800
Position Surface form Disambiguated ID Type / Status
Subject Harvard, Massachusetts E78429 entity
Predicate hasHistoricDistrict P295 FINISHED
Object Harvard Center Historic District
Harvard Center Historic District is a preserved historic core of the town of Harvard, Massachusetts, known for its traditional New England village character and significant 18th- and 19th-century architecture.
 E379725 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 Center Historic District | Statement: [Harvard, Massachusetts, hasHistoricDistrict, Harvard Center Historic District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harvard Center Historic District
Context triple: [Harvard, Massachusetts, hasHistoricDistrict, Harvard Center Historic District]
  • 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. Harvard Annex
    Harvard Annex was a 19th-century institution affiliated with Harvard University that provided higher education to women before their formal admission to the university.
  • C. 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.
  • D. Roxbury Center Historic District
    Roxbury Center Historic District is a preserved historic village center in Roxbury, Connecticut, known for its 18th- and 19th-century architecture and traditional New England character.
  • E. 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.
  • 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 Center Historic District
Triple: [Harvard, Massachusetts, hasHistoricDistrict, Harvard Center Historic District]
Generated description
Harvard Center Historic District is a preserved historic core of the town of Harvard, Massachusetts, known for its traditional New England village character and significant 18th- and 19th-century architecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harvard Center Historic District
Target entity description: Harvard Center Historic District is a preserved historic core of the town of Harvard, Massachusetts, known for its traditional New England village character and significant 18th- and 19th-century architecture.
  • 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. Harvard Annex
    Harvard Annex was a 19th-century institution affiliated with Harvard University that provided higher education to women before their formal admission to the university.
  • C. 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.
  • D. Roxbury Center Historic District
    Roxbury Center Historic District is a preserved historic village center in Roxbury, Connecticut, known for its 18th- and 19th-century architecture and traditional New England character.
  • E. 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.
  • 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_69ad85e3b1888190abc983e06968696d completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc4eafd348190986f69aee787fd8f completed March 8, 2026, 6:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4c3d0f2d88190b31e8c336f1a1bf3 completed March 14, 2026, 2:11 a.m.
NEDg Description generation batch_69b4c5280d788190b59b23acf5f77811 completed March 14, 2026, 2:17 a.m.
NED2 Entity disambiguation (via description) batch_69b4c58b13c48190b975e61000aa1f05 completed March 14, 2026, 2:18 a.m.
Created at: March 8, 2026, 3:26 p.m.