Triple

T120547
Position Surface form Disambiguated ID Type / Status
Subject Boston Marathon E2435 entity
Predicate finishLocation P2684 FINISHED
Object 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.
E16744 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: Copley Square, Boston | Statement: [Boston Marathon, finishLocation, Copley Square, Boston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Copley Square, Boston
Context triple: [Boston Marathon, finishLocation, Copley Square, Boston]
  • A. Cambridge Common
    Cambridge Common is a historic public park in Cambridge, Massachusetts, known for its role in the American Revolutionary War and as a central civic gathering space.
  • B. 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.
  • 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. 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.
  • E. Downtown Crossing
    Downtown Crossing is a major subway station and commercial hub in downtown Boston, Massachusetts, known for its heavy foot traffic and connections between multiple MBTA lines.
  • 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: Copley Square, Boston
Triple: [Boston Marathon, finishLocation, Copley Square, Boston]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Copley Square, Boston
Target entity description: 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.
  • A. Cambridge Common
    Cambridge Common is a historic public park in Cambridge, Massachusetts, known for its role in the American Revolutionary War and as a central civic gathering space.
  • B. 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.
  • 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. 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.
  • E. Downtown Crossing
    Downtown Crossing is a major subway station and commercial hub in downtown Boston, Massachusetts, known for its heavy foot traffic and connections between multiple MBTA lines.
  • 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_69a2506c5428819085c28a8884790e29 completed Feb. 28, 2026, 2:18 a.m.
NER Named-entity recognition batch_69a25b816dbc8190b20e13c80a451e6b completed Feb. 28, 2026, 3:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2b85e7e4881909322c67388d64247 completed Feb. 28, 2026, 9:41 a.m.
NEDg Description generation batch_69a2b9df510c81909e784b5e036a9e97 completed Feb. 28, 2026, 9:48 a.m.
NED2 Entity disambiguation (via description) batch_69a2ba52c37c8190a6772c7f3fac71b8 completed Feb. 28, 2026, 9:50 a.m.
Created at: Feb. 28, 2026, 2:24 a.m.