Triple

T68557
Position Surface form Disambiguated ID Type / Status
Subject Foggy Bottom–GWU station E1368 entity
Predicate ticketingSystem P3383 FINISHED
Object SmarTrip
SmarTrip is a rechargeable contactless smart card used to pay fares on the Washington, D.C. region’s public transit systems.
E7649 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: SmarTrip | Statement: [Foggy Bottom–GWU station, ticketingSystem, SmarTrip]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SmarTrip
Context triple: [Foggy Bottom–GWU station, ticketingSystem, SmarTrip]
  • A. MetroCard
    MetroCard is a magnetic stripe payment card formerly used as the primary method for paying fares on New York City’s public transit system, including subways and buses.
  • B. SEPTA Key
    SEPTA Key is a contactless smart fare card and payment system used across Philadelphia’s SEPTA public transit network.
  • C. C-TRAN
    C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
  • D. AeroTrain
    AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
  • E. MBTA
    The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
  • 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: SmarTrip
Triple: [Foggy Bottom–GWU station, ticketingSystem, SmarTrip]
Generated description
SmarTrip is a rechargeable contactless smart card used to pay fares on the Washington, D.C. region’s public transit systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SmarTrip
Target entity description: SmarTrip is a rechargeable contactless smart card used to pay fares on the Washington, D.C. region’s public transit systems.
  • A. MetroCard
    MetroCard is a magnetic stripe payment card formerly used as the primary method for paying fares on New York City’s public transit system, including subways and buses.
  • B. SEPTA Key
    SEPTA Key is a contactless smart fare card and payment system used across Philadelphia’s SEPTA public transit network.
  • C. C-TRAN
    C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
  • D. AeroTrain
    AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
  • E. MBTA
    The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: ticketingSystem
Context triple: [Foggy Bottom–GWU station, ticketingSystem, SmarTrip]
  • A. hasTicketing chosen
    Indicates that an entity provides or is associated with a system or mechanism for issuing, managing, or selling tickets.
  • B. worksOnIssue
    Indicates that an entity (typically a person or team) is actively engaged in addressing, resolving, or contributing work toward a specific issue.
  • C. fareControl
    Indicates that an entity is responsible for monitoring, enforcing, or managing payment of fares for access to a service or facility.
  • D. venue
    Indicates the place or location where an event, activity, or interaction takes place.
  • E. appointedFor
    Indicates that an entity has been officially assigned or designated to perform a specific role, task, or function for another entity or purpose.
  • F. None of above.

Provenance (6 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24fd16c248190a6ee4cd96c388772 completed Feb. 28, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a262406a6c81909be211fb2418ccbb completed Feb. 28, 2026, 3:34 a.m.
NEDg Description generation batch_69a262d263508190a5924595c1a7ad28 completed Feb. 28, 2026, 3:36 a.m.
NED2 Entity disambiguation (via description) batch_69a2633ee14c8190bfc1a09ebf9e4efc completed Feb. 28, 2026, 3:38 a.m.
PD Predicate disambiguation batch_69a24ea8cfd081908a26edad2473dde3 completed Feb. 28, 2026, 2:10 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.