Triple

T10032660
Position Surface form Disambiguated ID Type / Status
Subject Sound Transit 2 E204887 entity
Predicate partOf P40 FINISHED
Object Sound Transit capital program
The Sound Transit capital program is a long-term infrastructure initiative that funds and delivers major expansions and improvements to the Seattle region’s light rail, commuter rail, and bus rapid transit systems.
E40468 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 capital program | Statement: [Sound Transit 2, partOf, Sound Transit capital program]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sound Transit capital program
Context triple: [Sound Transit 2, partOf, Sound Transit capital program]
  • A. 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.
  • B. 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.
  • 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. 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.
  • E. Sound Transit Board of Directors
    The Sound Transit Board of Directors is the policy-making and oversight body that directs planning, funding, and operation of the regional transit system serving the Seattle metropolitan 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: Sound Transit capital program
Triple: [Sound Transit 2, partOf, Sound Transit capital program]
Generated description
The Sound Transit capital program is a long-term infrastructure initiative that funds and delivers major expansions and improvements to the Seattle region’s light rail, commuter rail, and bus rapid transit systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sound Transit capital program
Target entity description: The Sound Transit capital program is a long-term infrastructure initiative that funds and delivers major expansions and improvements to the Seattle region’s light rail, commuter rail, and bus rapid transit systems.
  • A. Sound Transit chosen
    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.
  • B. 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.
  • 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. 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.
  • E. Sound Transit Board of Directors
    The Sound Transit Board of Directors is the policy-making and oversight body that directs planning, funding, and operation of the regional transit system serving the Seattle metropolitan area.
  • F. None of above.

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_69ca834d77188190ad645e33e8ca3200 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cdce47845c8190ab5696267fdedcad completed April 2, 2026, 2:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69d282478578819085ca00fe140bb6c1 completed April 5, 2026, 3:39 p.m.
NEDg Description generation batch_69d283c516708190b3a1c363841787fc completed April 5, 2026, 3:46 p.m.
NED2 Entity disambiguation (via description) batch_69d284956730819099e5cd918e722fd8 completed April 5, 2026, 3:49 p.m.
Created at: March 30, 2026, 8:54 p.m.