Triple

T11639446
Position Surface form Disambiguated ID Type / Status
Subject Coastal Classic E276620 entity
Predicate arrivesAt P49364 FINISHED
Object Seward Depot
Seward Depot is a historic railway station in Seward, Alaska, serving as a key terminus for Alaska Railroad passenger trains and a gateway to nearby coastal and wilderness attractions.
E940080 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: Seward Depot | Statement: [Coastal Classic, arrivesAt, Seward Depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Seward Depot
Context triple: [Coastal Classic, arrivesAt, Seward Depot]
  • A. Fairbanks Depot
    Fairbanks Depot is the northern terminus passenger rail station in Fairbanks, Alaska, serving as a key stop for Alaska Railroad services including the Denali Star.
  • B. Interurban Depot
    Interurban Depot is a historic former electric railway station in Canal Winchester, Ohio, that reflects the early 20th-century era of interurban transportation.
  • C. Arlington Depot
    Arlington Depot is a historic railroad station in Arlington, Tennessee, preserved as a landmark reflecting the town’s early transportation and commercial history.
  • D. Kitami Depot
    Kitami Depot is a railway maintenance and storage facility serving trains on the Odakyu Odawara Line in Japan.
  • E. Yukon Depot
    Yukon Depot is a railway facility that serves as a key station and logistical hub along the White Pass and Yukon Route in the Yukon region of northwestern Canada.
  • 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: Seward Depot
Triple: [Coastal Classic, arrivesAt, Seward Depot]
Generated description
Seward Depot is a historic railway station in Seward, Alaska, serving as a key terminus for Alaska Railroad passenger trains and a gateway to nearby coastal and wilderness attractions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Seward Depot
Target entity description: Seward Depot is a historic railway station in Seward, Alaska, serving as a key terminus for Alaska Railroad passenger trains and a gateway to nearby coastal and wilderness attractions.
  • A. Fairbanks Depot
    Fairbanks Depot is the northern terminus passenger rail station in Fairbanks, Alaska, serving as a key stop for Alaska Railroad services including the Denali Star.
  • B. Interurban Depot
    Interurban Depot is a historic former electric railway station in Canal Winchester, Ohio, that reflects the early 20th-century era of interurban transportation.
  • C. Arlington Depot
    Arlington Depot is a historic railroad station in Arlington, Tennessee, preserved as a landmark reflecting the town’s early transportation and commercial history.
  • D. Kitami Depot
    Kitami Depot is a railway maintenance and storage facility serving trains on the Odakyu Odawara Line in Japan.
  • E. Yukon Depot
    Yukon Depot is a railway facility that serves as a key station and logistical hub along the White Pass and Yukon Route in the Yukon region of northwestern Canada.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: arrivesAt
Context triple: [Coastal Classic, arrivesAt, Seward Depot]
  • A. arrivalAt chosen
    Indicates the event or state of an entity reaching and being present at a specific destination or location.
  • B. departureTime
    Indicates the specific time at which an entity leaves or begins its departure from a location or state.
  • C. dateOfDisembarkation
    Indicates the specific date on which an individual or entity got off or was released from a vehicle, vessel, or mode of transport.
  • D. arrivalTimePattern
    Indicates a recurring or structured pattern in the times at which an entity arrives.
  • E. estimatedArrivalInAustralia
    Indicates the expected date and/or time when an entity is predicted to arrive in Australia.
  • 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_69d6aafa51148190ab84940694c00235 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a25e90c08190b7fb73939a2be3d7 completed April 10, 2026, 7:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef137087248190bb6c196bc94eb0f6 completed April 27, 2026, 7:42 a.m.
NEDg Description generation batch_69ef354b3b3c8190b1c91dbf9c705a7d completed April 27, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69ef5170ce9881908f2ecf3d5ada809a completed April 27, 2026, 12:07 p.m.
PD Predicate disambiguation batch_69d85dd94bdc819091fa2ed33eb31624 completed April 10, 2026, 2:18 a.m.
Created at: April 8, 2026, 9:39 p.m.