Triple

T3966927
Position Surface form Disambiguated ID Type / Status
Subject Maryland Transportation Authority E92238 entity
Predicate operates P24 FINISHED
Object Fort McHenry Tunnel E225022 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: Fort McHenry Tunnel | Statement: [Maryland Transportation Authority, operates, Fort McHenry Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fort McHenry Tunnel
Context triple: [Maryland Transportation Authority, operates, Fort McHenry Tunnel]
  • A. Fort McHenry Tunnel chosen
    The Fort McHenry Tunnel is a major underwater highway tunnel in Baltimore, Maryland, carrying Interstate 95 beneath the harbor near Fort McHenry to ease traffic through the city.
  • B. Baltimore Harbor Tunnel
    The Baltimore Harbor Tunnel is a vehicular tunnel in Baltimore, Maryland, that carries Interstate 895 beneath the harbor as a major route for traffic bypassing downtown.
  • C. Potomac River tunnel
    The Potomac River tunnel is an underwater rail tunnel in the Washington, D.C. area that carries Washington Metro trains beneath the Potomac River.
  • D. 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.
  • 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.
  • 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_69aed96624188190ac8c45bb57ab72b5 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aef976f4fc8190b2c16ab62c19cdb8 completed March 9, 2026, 4:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69b533c189a88190b3a81c63621b98ac completed March 14, 2026, 10:09 a.m.
Created at: March 9, 2026, 3:32 p.m.