Triple

T1192800
Position Surface form Disambiguated ID Type / Status
Subject MBTA Silver Line E25599 entity
Predicate hasSection P35 FINISHED
Object Washington Street surface section
The Washington Street surface section is the above-ground bus rapid transit corridor of Boston’s MBTA Silver Line that runs along Washington Street, serving neighborhoods such as the South End and Roxbury.
E137154 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: Washington Street surface section | Statement: [MBTA Silver Line, hasSection, Washington Street surface section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Washington Street surface section
Context triple: [MBTA Silver Line, hasSection, Washington Street surface section]
  • A. Washington Street commercial corridor
    The Washington Street commercial corridor is Hoboken’s primary downtown thoroughfare, lined with shops, restaurants, bars, and historic buildings that form the city’s main business and social hub.
  • B. Washington Street Mall
    Washington Street Mall is a popular pedestrian shopping and dining district in historic Cape May, New Jersey.
  • C. Western Avenue corridor
    The Western Avenue corridor is a key urban thoroughfare and development zone in Boston’s Allston neighborhood that serves as a central spine for Harvard University’s expanding Allston campus and surrounding mixed-use projects.
  • D. State Street and Washington Avenue
    State Street and Washington Avenue is a major intersection in downtown Albany, New York, located directly in front of the New York State Capitol building.
  • E. Tremont Street commercial corridor
    Tremont Street commercial corridor is a key mixed-use business district in Boston’s Mission Hill neighborhood, known for its dense concentration of shops, restaurants, and local services.
  • 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: Washington Street surface section
Triple: [MBTA Silver Line, hasSection, Washington Street surface section]
Generated description
The Washington Street surface section is the above-ground bus rapid transit corridor of Boston’s MBTA Silver Line that runs along Washington Street, serving neighborhoods such as the South End and Roxbury.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Washington Street surface section
Target entity description: The Washington Street surface section is the above-ground bus rapid transit corridor of Boston’s MBTA Silver Line that runs along Washington Street, serving neighborhoods such as the South End and Roxbury.
  • A. Washington Street commercial corridor
    The Washington Street commercial corridor is Hoboken’s primary downtown thoroughfare, lined with shops, restaurants, bars, and historic buildings that form the city’s main business and social hub.
  • B. Washington Street Mall
    Washington Street Mall is a popular pedestrian shopping and dining district in historic Cape May, New Jersey.
  • C. Western Avenue corridor
    The Western Avenue corridor is a key urban thoroughfare and development zone in Boston’s Allston neighborhood that serves as a central spine for Harvard University’s expanding Allston campus and surrounding mixed-use projects.
  • D. State Street and Washington Avenue
    State Street and Washington Avenue is a major intersection in downtown Albany, New York, located directly in front of the New York State Capitol building.
  • E. Tremont Street commercial corridor
    Tremont Street commercial corridor is a key mixed-use business district in Boston’s Mission Hill neighborhood, known for its dense concentration of shops, restaurants, and local services.
  • 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_69a49429f5ec8190a6a205eb0ae81e5e completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd761ef08190b431b80f326d1ab2 completed March 1, 2026, 10:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac764ea588819082f7d5d0e44e1211 completed March 7, 2026, 7:02 p.m.
NEDg Description generation batch_69ac76e2df308190807cc6b7d7555e69 completed March 7, 2026, 7:05 p.m.
NED2 Entity disambiguation (via description) batch_69ac77585c708190b5f4b239d9574cd7 completed March 7, 2026, 7:07 p.m.
Created at: March 1, 2026, 7:45 p.m.