Triple

T15668797
Position Surface form Disambiguated ID Type / Status
Subject Maryland transportation infrastructure E377253 entity
Predicate includesTunnel P21069 FINISHED
Object Fort McHenry Tunnel E225022 NE FINISHED

How this triple was built (3 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 infrastructure, includesTunnel, Fort McHenry Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fort McHenry Tunnel
Context triple: [Maryland transportation infrastructure, includesTunnel, 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. Baltimore and Potomac Tunnel
    The Baltimore and Potomac Tunnel is a 19th-century railroad tunnel in Baltimore, Maryland, that serves as a critical but aging bottleneck on the Northeast Corridor rail line.
  • D. Union Tunnel (Baltimore)
    Union Tunnel in Baltimore is a historic railroad tunnel that carries passenger and freight trains beneath the city as part of the Northeast Corridor.
  • E. Howard Street Tunnel
    The Howard Street Tunnel is a historic railroad tunnel in Baltimore, Maryland, that carries freight trains beneath the city’s downtown.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: includesTunnel
Context triple: [Maryland transportation infrastructure, includesTunnel, Fort McHenry Tunnel]
  • A. usesTunnel
    Indicates that one entity makes use of a tunnel as a passage or route to reach or connect to another entity.
  • B. hasTunnel chosen
    Indicates that one entity possesses, contains, or is connected by a tunnel to another entity.
  • C. tunnelAllows
    Indicates that a tunnel provides a passage or route that permits movement, access, or flow between two locations or entities.
  • D. tunnelType
    Indicates the specific kind or classification of a tunnel associated with an entity.
  • E. hasTunnelSections
    Indicates that an entity includes or is composed of multiple distinct tunnel segments or portions.
  • F. None of above.

Provenance (4 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_69d85cd2e28481909d4e975bee20872f completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04f1254508190a77a16b7bfd299ad completed April 16, 2026, 2:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff756b9af48190a634f23ace966ae9 completed May 9, 2026, 5:56 p.m.
PD Predicate disambiguation batch_69deda8b36a4819081cb5708fe77ef51 completed April 15, 2026, 12:23 a.m.
Created at: April 10, 2026, 4:16 a.m.