Triple

T6696631
Position Surface form Disambiguated ID Type / Status
Subject Sounder South Line E152765 entity
Predicate station P726 FINISHED
Object Tukwila Station
Tukwila Station is a commuter rail station in Tukwila, Washington, serving Sound Transit’s Sounder trains between Seattle and Tacoma.
 E613335 NE FINISHED

How this triple was built (4 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: Tukwila Station | Statement: [Sounder South Line, station, Tukwila Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tukwila Station
Context triple: [Sounder South Line, station, Tukwila Station]
  • A. Tukwila International Boulevard Station
    Tukwila International Boulevard Station is a major Sound Transit Link light rail station in Tukwila, Washington, serving as a key transit hub near Seattle–Tacoma International Airport.
  • B. SODO Station
    SODO Station is a light rail station in Seattle’s SoDo (South of Downtown) industrial district, serving commuters and providing access to nearby warehouses, offices, and sports venues.
  • C. Seattle King Street Station
    Seattle King Street Station is a historic railway terminal in downtown Seattle that serves as a major Amtrak and commuter rail hub for the Pacific Northwest.
  • D. Mercer Island Station
    Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
  • E. Redmond Transit Center
    Redmond Transit Center is a major public transportation hub in Redmond, Washington, serving as a central point for local and regional bus connections.
  • 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: Tukwila Station
Triple: [Sounder South Line, station, Tukwila Station]
Generated description
Tukwila Station is a commuter rail station in Tukwila, Washington, serving Sound Transit’s Sounder trains between Seattle and Tacoma.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tukwila Station
Target entity description: Tukwila Station is a commuter rail station in Tukwila, Washington, serving Sound Transit’s Sounder trains between Seattle and Tacoma.
  • A. Tukwila International Boulevard Station
    Tukwila International Boulevard Station is a major Sound Transit Link light rail station in Tukwila, Washington, serving as a key transit hub near Seattle–Tacoma International Airport.
  • B. SODO Station
    SODO Station is a light rail station in Seattle’s SoDo (South of Downtown) industrial district, serving commuters and providing access to nearby warehouses, offices, and sports venues.
  • C. Seattle King Street Station
    Seattle King Street Station is a historic railway terminal in downtown Seattle that serves as a major Amtrak and commuter rail hub for the Pacific Northwest.
  • D. Mercer Island Station
    Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
  • E. Redmond Transit Center
    Redmond Transit Center is a major public transportation hub in Redmond, Washington, serving as a central point for local and regional bus connections.
  • F. None of above. chosen

Provenance (5 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_69c6880687b08190805278b504d1c92c completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d0a3a2408190bb7be4613f896bdc completed March 27, 2026, 6:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7007f2a648190a10792840536035b completed March 27, 2026, 10:11 p.m.
NEDg Description generation batch_69c70262f3e48190b544be536ee0b674 completed March 27, 2026, 10:19 p.m.
NED2 Entity disambiguation (via description) batch_69c70311418c8190a902cf21187fdc51 completed March 27, 2026, 10:22 p.m.
Created at: March 27, 2026, 2:05 p.m.