Triple

T598485
Position Surface form Disambiguated ID Type / Status
Subject Broadway E11439 entity
Predicate formerName P65 FINISHED
Object Broadway–South Boston
Broadway–South Boston was the former name of the MBTA Red Line rapid transit station now known simply as Broadway in South Boston, Massachusetts.
E134404 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: Broadway–South Boston | Statement: [Broadway, formerName, Broadway–South Boston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Broadway–South Boston
Context triple: [Broadway, formerName, Broadway–South Boston]
  • A. Dorchester Avenue
    Dorchester Avenue is a major thoroughfare in Boston’s Dorchester neighborhood, lined with residential, commercial, and cultural landmarks and serving as a key local transit corridor.
  • B. Brattle Street
    Brattle Street is a historic thoroughfare in Cambridge, Massachusetts, known for its colonial-era houses, cultural landmarks, and proximity to Harvard University.
  • 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. Beacon Street
    Beacon Street is a historic thoroughfare in Boston, Massachusetts, known for running along the Boston Common and past prominent landmarks in the Beacon Hill neighborhood.
  • E. King Street, Boston
    King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
  • 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: Broadway–South Boston
Triple: [Broadway, formerName, Broadway–South Boston]
Generated description
Broadway–South Boston was the former name of the MBTA Red Line rapid transit station now known simply as Broadway in South Boston, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Broadway–South Boston
Target entity description: Broadway–South Boston was the former name of the MBTA Red Line rapid transit station now known simply as Broadway in South Boston, Massachusetts.
  • A. Dorchester Avenue
    Dorchester Avenue is a major thoroughfare in Boston’s Dorchester neighborhood, lined with residential, commercial, and cultural landmarks and serving as a key local transit corridor.
  • B. Brattle Street
    Brattle Street is a historic thoroughfare in Cambridge, Massachusetts, known for its colonial-era houses, cultural landmarks, and proximity to Harvard University.
  • 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. Beacon Street
    Beacon Street is a historic thoroughfare in Boston, Massachusetts, known for running along the Boston Common and past prominent landmarks in the Beacon Hill neighborhood.
  • E. King Street, Boston
    King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
  • 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_69a4932779b881908688590d59c71900 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49d776c6c819081b41a9b55041cd5 completed March 1, 2026, 8:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac6ef6be388190b4a8da5795a19aaf completed March 7, 2026, 6:31 p.m.
NEDg Description generation batch_69ac6fb8bd148190b488dfb9f29438e6 completed March 7, 2026, 6:34 p.m.
NED2 Entity disambiguation (via description) batch_69ac6feadf7c8190918fc0c606df10d5 completed March 7, 2026, 6:35 p.m.
Created at: March 1, 2026, 7:35 p.m.