Triple

T13093518
Position Surface form Disambiguated ID Type / Status
Subject Central Artery/Tunnel Project E310522 entity
Predicate includesStructure P22287 FINISHED
Object Fort Point Channel Tunnel
The Fort Point Channel Tunnel is an underwater highway tunnel in Boston that carries Interstate 90 beneath the Fort Point Channel as part of the city’s Big Dig infrastructure.
E1025368 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: Fort Point Channel Tunnel | Statement: [Central Artery/Tunnel Project, includesStructure, Fort Point Channel Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fort Point Channel Tunnel
Context triple: [Central Artery/Tunnel Project, includesStructure, Fort Point Channel Tunnel]
  • A. East New York Tunnel
    The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
  • B. Hugh L. Carey Tunnel
    The Hugh L. Carey Tunnel is a major vehicular tunnel in New York City that connects Lower Manhattan to Brooklyn beneath New York Harbor.
  • C. Park Avenue Tunnel
    Park Avenue Tunnel is a historic vehicular and former rail tunnel in Manhattan that carries traffic beneath Park Avenue near Grand Central Terminal.
  • D. East River tunnels
    The East River Tunnels are a set of underwater railroad tunnels in New York City that carry Amtrak, Long Island Rail Road, and New Jersey Transit trains between Manhattan and Queens beneath the East River.
  • E. East Boston Tunnel
    The East Boston Tunnel is a historic underwater transit tunnel in Boston that originally carried streetcars and now forms part of the MBTA’s Blue Line subway connection between downtown Boston and East Boston.
  • 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: Fort Point Channel Tunnel
Triple: [Central Artery/Tunnel Project, includesStructure, Fort Point Channel Tunnel]
Generated description
The Fort Point Channel Tunnel is an underwater highway tunnel in Boston that carries Interstate 90 beneath the Fort Point Channel as part of the city’s Big Dig infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fort Point Channel Tunnel
Target entity description: The Fort Point Channel Tunnel is an underwater highway tunnel in Boston that carries Interstate 90 beneath the Fort Point Channel as part of the city’s Big Dig infrastructure.
  • A. East New York Tunnel
    The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
  • B. Hugh L. Carey Tunnel
    The Hugh L. Carey Tunnel is a major vehicular tunnel in New York City that connects Lower Manhattan to Brooklyn beneath New York Harbor.
  • C. Park Avenue Tunnel
    Park Avenue Tunnel is a historic vehicular and former rail tunnel in Manhattan that carries traffic beneath Park Avenue near Grand Central Terminal.
  • D. East River tunnels
    The East River Tunnels are a set of underwater railroad tunnels in New York City that carry Amtrak, Long Island Rail Road, and New Jersey Transit trains between Manhattan and Queens beneath the East River.
  • E. East Boston Tunnel
    The East Boston Tunnel is a historic underwater transit tunnel in Boston that originally carried streetcars and now forms part of the MBTA’s Blue Line subway connection between downtown Boston and East Boston.
  • 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_69d806a733548190989cfd4ce981ca33 completed April 9, 2026, 8:05 p.m.
NER Named-entity recognition batch_69d9813cd1b881909871a318fdd60672 completed April 10, 2026, 11:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6ead8f3a881909a32afc268e3b385 completed May 3, 2026, 6:27 a.m.
NEDg Description generation batch_69f6f08c573081909f54e4fb505e5d6e completed May 3, 2026, 6:51 a.m.
NED2 Entity disambiguation (via description) batch_69f6f0bc81608190b42b6feead63fd35 completed May 3, 2026, 6:52 a.m.
Created at: April 9, 2026, 9:03 p.m.