Triple

T14890192
Position Surface form Disambiguated ID Type / Status
Subject MBTA Silver Line at South Station E359734 entity
Predicate openedAsPartOf P9951 FINISHED
Object Silver Line Waterfront project
The Silver Line Waterfront project was a major transit initiative in Boston that extended the MBTA Silver Line bus rapid transit service to the South Boston Waterfront and Seaport District to improve access and spur development in the area.
E1125796 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: Silver Line Waterfront project | Statement: [MBTA Silver Line at South Station, openedAsPartOf, Silver Line Waterfront project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Silver Line Waterfront project
Context triple: [MBTA Silver Line at South Station, openedAsPartOf, Silver Line Waterfront project]
  • A. Green Line rehabilitation project
    The Green Line rehabilitation project was a major infrastructure initiative to modernize and upgrade Chicago Transit Authority’s Green Line, including stations, tracks, and related facilities.
  • B. National Harbor waterfront development
    The National Harbor waterfront development is a large mixed-use destination along the Potomac River in Maryland featuring hotels, shops, restaurants, entertainment venues, and a marina.
  • C. The Silver Line
    The Silver Line is a UK-based helpline charity that offers information, friendship, and emotional support to older people to combat loneliness and isolation.
  • D. Baltimore Wharf development
    The Baltimore Wharf development is a major mixed-use waterfront regeneration project in London’s Docklands, featuring high-rise residential towers, commercial spaces, and public amenities.
  • E. Astoria waterfront redevelopment
    Astoria waterfront redevelopment is a large-scale urban revitalization initiative transforming the industrial shoreline of Astoria, Queens into a mixed-use residential, commercial, and public waterfront district.
  • 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: Silver Line Waterfront project
Triple: [MBTA Silver Line at South Station, openedAsPartOf, Silver Line Waterfront project]
Generated description
The Silver Line Waterfront project was a major transit initiative in Boston that extended the MBTA Silver Line bus rapid transit service to the South Boston Waterfront and Seaport District to improve access and spur development in the area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Silver Line Waterfront project
Target entity description: The Silver Line Waterfront project was a major transit initiative in Boston that extended the MBTA Silver Line bus rapid transit service to the South Boston Waterfront and Seaport District to improve access and spur development in the area.
  • A. Green Line rehabilitation project
    The Green Line rehabilitation project was a major infrastructure initiative to modernize and upgrade Chicago Transit Authority’s Green Line, including stations, tracks, and related facilities.
  • B. National Harbor waterfront development
    The National Harbor waterfront development is a large mixed-use destination along the Potomac River in Maryland featuring hotels, shops, restaurants, entertainment venues, and a marina.
  • C. The Silver Line
    The Silver Line is a UK-based helpline charity that offers information, friendship, and emotional support to older people to combat loneliness and isolation.
  • D. Baltimore Wharf development
    The Baltimore Wharf development is a major mixed-use waterfront regeneration project in London’s Docklands, featuring high-rise residential towers, commercial spaces, and public amenities.
  • E. Astoria waterfront redevelopment
    Astoria waterfront redevelopment is a large-scale urban revitalization initiative transforming the industrial shoreline of Astoria, Queens into a mixed-use residential, commercial, and public waterfront district.
  • 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_69d827980cbc8190a0c569ae3940a1d9 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69ded5f6cf5c8190b6b28f58fafe5d59 completed April 15, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe6b61407481908a618d14c56d2abf completed May 8, 2026, 11:01 p.m.
NEDg Description generation batch_69fe6e21bdf481908dba4b745ed4be65 completed May 8, 2026, 11:13 p.m.
NED2 Entity disambiguation (via description) batch_69fe6ee69860819096a2448ab813dc1d completed May 8, 2026, 11:16 p.m.
Created at: April 10, 2026, 2:09 a.m.