Triple

T38461
Position Surface form Disambiguated ID Type / Status
Subject MBTA Red Line E761 entity
Predicate servesStation P839 FINISHED
Object Quincy Center
Quincy Center is a major transit station and commercial hub in Quincy, Massachusetts, providing access to subway and bus services within the Greater Boston area.
E32575 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: Quincy Center | Statement: [MBTA Red Line, servesStation, Quincy Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Quincy Center
Context triple: [MBTA Red Line, servesStation, Quincy Center]
  • A. North Quincy
    North Quincy is a rapid transit station in Quincy, Massachusetts, on the Massachusetts Bay Transportation Authority’s Red Line.
  • B. Quincy
    Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
  • C. Brookline
    Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential neighborhoods.
  • D. Brockton, Massachusetts
    Brockton, Massachusetts is a mid-sized city in Plymouth County known historically as a major shoe manufacturing center and sometimes called the "City of Champions" for its successful boxers and sports legacy.
  • E. Springfield, Massachusetts
    Springfield, Massachusetts is a historic city in western Massachusetts known as the birthplace of basketball and a former industrial and transportation hub along the Connecticut River.
  • 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: Quincy Center
Triple: [MBTA Red Line, servesStation, Quincy Center]
Generated description
Quincy Center is a major transit station and commercial hub in Quincy, Massachusetts, providing access to subway and bus services within the Greater Boston area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Quincy Center
Target entity description: Quincy Center is a major transit station and commercial hub in Quincy, Massachusetts, providing access to subway and bus services within the Greater Boston area.
  • A. North Quincy
    North Quincy is a rapid transit station in Quincy, Massachusetts, on the Massachusetts Bay Transportation Authority’s Red Line.
  • B. Quincy
    Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
  • C. Brookline
    Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential neighborhoods.
  • D. Brockton, Massachusetts
    Brockton, Massachusetts is a mid-sized city in Plymouth County known historically as a major shoe manufacturing center and sometimes called the "City of Champions" for its successful boxers and sports legacy.
  • E. Springfield, Massachusetts
    Springfield, Massachusetts is a historic city in western Massachusetts known as the birthplace of basketball and a former industrial and transportation hub along the Connecticut River.
  • 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_69a247a8f6c08190bac804906d62ed5a completed Feb. 28, 2026, 1:40 a.m.
NER Named-entity recognition batch_69a24ec1ef5481909daf99654dfa3f57 completed Feb. 28, 2026, 2:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a373691e348190b18f8019183469dc completed Feb. 28, 2026, 10:59 p.m.
NEDg Description generation batch_69a3755e8e208190870d0e19575c9a04 completed Feb. 28, 2026, 11:08 p.m.
NED2 Entity disambiguation (via description) batch_69a375b430548190aeca5f0fd8e22cbe completed Feb. 28, 2026, 11:09 p.m.
Created at: Feb. 28, 2026, 1:46 a.m.