Triple

T1817577
Position Surface form Disambiguated ID Type / Status
Subject Sound Transit E40468 entity
Predicate hasProject P14971 FINISHED
Object Sound Transit 3
Sound Transit 3 is a major regional transit expansion plan in the Seattle metropolitan area that funds and builds new light rail, bus rapid transit, and commuter rail projects over several decades.
 E205748 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: Sound Transit 3 | Statement: [Sound Transit, hasProject, Sound Transit 3]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sound Transit 3
Context triple: [Sound Transit, hasProject, Sound Transit 3]
  • A. Sound Transit 2
    Sound Transit 2 is a major expansion plan for the Seattle-area regional transit system, funding and guiding the build-out of additional light rail, commuter rail, and bus services across the Puget Sound region.
  • B. Sound Transit
    Sound Transit is the regional public transit agency that plans, builds, and operates light rail, commuter rail, and express bus services in the greater Puget Sound area of Washington State.
  • C. Sound Transit Link light rail
    Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
  • D. RapidRide
    RapidRide is King County Metro’s network of frequent, limited-stop bus rapid transit-style routes serving major corridors in the Seattle metropolitan area.
  • E. Everett Transit
    Everett Transit is the public bus transportation agency serving the city of Everett in Washington State.
  • 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: Sound Transit 3
Triple: [Sound Transit, hasProject, Sound Transit 3]
Generated description
Sound Transit 3 is a major regional transit expansion plan in the Seattle metropolitan area that funds and builds new light rail, bus rapid transit, and commuter rail projects over several decades.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sound Transit 3
Target entity description: Sound Transit 3 is a major regional transit expansion plan in the Seattle metropolitan area that funds and builds new light rail, bus rapid transit, and commuter rail projects over several decades.
  • A. Sound Transit 2
    Sound Transit 2 is a major expansion plan for the Seattle-area regional transit system, funding and guiding the build-out of additional light rail, commuter rail, and bus services across the Puget Sound region.
  • B. Sound Transit
    Sound Transit is the regional public transit agency that plans, builds, and operates light rail, commuter rail, and express bus services in the greater Puget Sound area of Washington State.
  • C. Sound Transit Link light rail
    Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
  • D. RapidRide
    RapidRide is King County Metro’s network of frequent, limited-stop bus rapid transit-style routes serving major corridors in the Seattle metropolitan area.
  • E. Everett Transit
    Everett Transit is the public bus transportation agency serving the city of Everett in Washington State.
  • 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_69a8864526c081908a3a4d74f689e2c5 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa65f7b84081909005ce36ef1199db completed March 6, 2026, 5:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69adc9ac97e081908ab1d30fa41c3e9b completed March 8, 2026, 7:10 p.m.
NEDg Description generation batch_69adcb1466788190bdcb50107d838f83 completed March 8, 2026, 7:16 p.m.
NED2 Entity disambiguation (via description) batch_69adcbf5b0b881909d43c748034481f4 completed March 8, 2026, 7:20 p.m.
Created at: March 4, 2026, 7:32 p.m.