Triple

T13093515
Position Surface form Disambiguated ID Type / Status
Subject Central Artery/Tunnel Project E310522 entity
Predicate includesStructure P22287 FINISHED
Object Thomas P. O’Neill Jr. Tunnel E396353 NE FINISHED

How this triple was built (2 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: Thomas P. O’Neill Jr. Tunnel | Statement: [Central Artery/Tunnel Project, includesStructure, Thomas P. O’Neill Jr. Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thomas P. O’Neill Jr. Tunnel
Context triple: [Central Artery/Tunnel Project, includesStructure, Thomas P. O’Neill Jr. Tunnel]
  • A. 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.
  • 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. Center City Tunnel
    Center City Tunnel is an underground rail corridor in downtown Philadelphia that links several major commuter rail lines to create a unified through-running system.
  • D. O'Neill Tunnel chosen
    The O'Neill Tunnel is a major highway tunnel in downtown Boston that carries Interstate 93 beneath the city as part of the Big Dig project.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69f6d617f1908190a2fa147bedede54f completed May 3, 2026, 4:59 a.m.
Created at: April 9, 2026, 9:03 p.m.