Triple

T8669039
Position Surface form Disambiguated ID Type / Status
Subject Sound Transit 3 E205748 entity
Predicate follows P134 FINISHED
Object Sound Transit 2
Sound Transit 2 is a major expansion phase of the Seattle-area regional transit system that funds and builds additional light rail, commuter rail, and express bus services across the Puget Sound region.
E204887 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 2 | Statement: [Sound Transit 3, follows, Sound Transit 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sound Transit 2
Context triple: [Sound Transit 3, follows, Sound Transit 2]
  • A. Terminal T2
    Terminal T2 is the main modern passenger terminal at Gdańsk Lech Wałęsa Airport, handling the majority of the airport’s domestic and international flights.
  • B. Terminal 2
    Terminal 2 is a modern, sustainably designed passenger terminal at San Francisco International Airport known for its upgraded amenities, art installations, and improved traveler experience.
  • C. Terminal 2
    Terminal 2 is a passenger terminal at Lanzarote Airport in the Canary Islands, primarily serving regional and inter-island flights.
  • D. Terminal 2
    Terminal 2 is one of the main passenger terminals at Mehrabad International Airport in Tehran, handling a significant share of the airport’s domestic flight operations.
  • E. Terminal 2
    Terminal 2 is one of the main passenger terminals at Rio de Janeiro–Galeão International Airport, handling a large share of the airport’s domestic and international flights.
  • 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 2
Triple: [Sound Transit 3, follows, Sound Transit 2]
Generated description
Sound Transit 2 is a major expansion phase of the Seattle-area regional transit system that funds and builds additional light rail, commuter rail, and express bus services across the Puget Sound region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sound Transit 2
Target entity description: Sound Transit 2 is a major expansion phase of the Seattle-area regional transit system that funds and builds additional light rail, commuter rail, and express bus services across the Puget Sound region.
  • A. Sound Transit 2 chosen
    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. Terminal T2
    Terminal T2 is the main modern passenger terminal at Gdańsk Lech Wałęsa Airport, handling the majority of the airport’s domestic and international flights.
  • C. Terminal 2
    Terminal 2 is a passenger terminal at Lanzarote Airport in the Canary Islands, primarily serving regional and inter-island flights.
  • D. Terminal 2
    Terminal 2 is one of the main passenger terminals at Mehrabad International Airport in Tehran, handling a significant share of the airport’s domestic flight operations.
  • E. Terminal 2
    Terminal 2 is one of the main passenger terminals at Rio de Janeiro–Galeão International Airport, handling a large share of the airport’s domestic and international flights.
  • 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_69ca83516ae88190aefe034b3bc589e3 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc48a48b548190b78259072b1224ee completed March 31, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69cef3898bf88190959b361638d032de completed April 2, 2026, 10:54 p.m.
NEDg Description generation batch_69cef4ce80488190be5dfa7f28d0aa59 completed April 2, 2026, 10:59 p.m.
NED2 Entity disambiguation (via description) batch_69cef6a6b6d4819089b3dc327a05b759 completed April 2, 2026, 11:07 p.m.
Created at: March 30, 2026, 6:31 p.m.