Triple

T7371934
Position Surface form Disambiguated ID Type / Status
Subject Farragut West E170025 entity
Predicate transferFeature P76626 FINISHED
Object Farragut Crossing (virtual tunnel)
Farragut Crossing (virtual tunnel) is a fare-free, out-of-system transfer connection in Washington, D.C.’s Metrorail system that allows riders to switch between the nearby Farragut West and Farragut North stations without paying an additional fare.
E660429 NE FINISHED

How this triple was built (5 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: Farragut Crossing (virtual tunnel) | Statement: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Farragut Crossing (virtual tunnel)
Context triple: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
  • A. 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.
  • B. Downtown Tunnel
    The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
  • C. Fort McHenry Tunnel
    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.
  • 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. 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.
  • 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: Farragut Crossing (virtual tunnel)
Triple: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
Generated description
Farragut Crossing (virtual tunnel) is a fare-free, out-of-system transfer connection in Washington, D.C.’s Metrorail system that allows riders to switch between the nearby Farragut West and Farragut North stations without paying an additional fare.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Farragut Crossing (virtual tunnel)
Target entity description: Farragut Crossing (virtual tunnel) is a fare-free, out-of-system transfer connection in Washington, D.C.’s Metrorail system that allows riders to switch between the nearby Farragut West and Farragut North stations without paying an additional fare.
  • A. 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.
  • B. Downtown Tunnel
    The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
  • C. Fort McHenry Tunnel
    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.
  • 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. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: transferFeature
Context triple: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
  • A. transferType
    Indicates the specific method or category of how something is transferred from one entity to another.
  • B. transferAfter
    Indicates that one entity transfers something to another entity only after a specified event or condition has occurred.
  • C. transferEvent
    Indicates an event in which something is moved, handed over, or reassigned from one entity to another.
  • D. transferMode
    Indicates the method or mechanism by which something is transferred from one entity to another.
  • E. transferPolicy
    Indicates a rule or set of conditions governing when and how something may be transferred from one party or location to another.
  • F. None of above. chosen

Provenance (7 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_69c68a5bfaac81909ce7f001dfb70c76 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f18451d88190ad4a2674279bb703 completed March 27, 2026, 9:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69c802c711788190806987567dbc9942 completed March 28, 2026, 4:33 p.m.
NEDg Description generation batch_69c8035151a481908a33c1ecd12c2f6d completed March 28, 2026, 4:35 p.m.
NED2 Entity disambiguation (via description) batch_69c803aea0808190a5208c02a0db1187 completed March 28, 2026, 4:37 p.m.
PD Predicate disambiguation batch_69c6f02ee3e08190a7a00c981129b22c completed March 27, 2026, 9:01 p.m.
PDg Predicate description generation batch_69c6f0ebf9c88190af5a4d87d3fd338a completed March 27, 2026, 9:04 p.m.
Created at: March 27, 2026, 3:07 p.m.