Triple

T6657975
Position Surface form Disambiguated ID Type / Status
Subject SR 99 E151395 entity
Predicate serves P98 FINISHED
Object Seattle–Tacoma urban corridor
The Seattle–Tacoma urban corridor is a densely developed metropolitan region in western Washington State that encompasses and connects the major cities of Seattle and Tacoma along the Puget Sound.
E609231 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: Seattle–Tacoma urban corridor | Statement: [SR 99, serves, Seattle–Tacoma urban corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Seattle–Tacoma urban corridor
Context triple: [SR 99, serves, Seattle–Tacoma urban corridor]
  • A. Vancouver–Seattle corridor
    The Vancouver–Seattle corridor is a major bi-national urban and transportation axis linking metropolitan regions in southwestern British Columbia and northwestern Washington State.
  • B. Empire Corridor
    The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
  • C. Portland–Vancouver–Salem CSA
    The Portland–Vancouver–Salem CSA is a large multi-county combined statistical area in the Pacific Northwest centered on Portland, Oregon, and including surrounding urban and suburban regions in both Oregon and Washington.
  • D. Southwest Washington
    Southwest Washington is a region of the U.S. state of Washington that encompasses the communities north of the Columbia River, including the Vancouver metropolitan area and surrounding counties.
  • E. King County Metro
    King County Metro is the primary public transit agency serving Seattle and the surrounding King County area, operating an extensive network of buses, rapid transit, and related services.
  • 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: Seattle–Tacoma urban corridor
Triple: [SR 99, serves, Seattle–Tacoma urban corridor]
Generated description
The Seattle–Tacoma urban corridor is a densely developed metropolitan region in western Washington State that encompasses and connects the major cities of Seattle and Tacoma along the Puget Sound.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Seattle–Tacoma urban corridor
Target entity description: The Seattle–Tacoma urban corridor is a densely developed metropolitan region in western Washington State that encompasses and connects the major cities of Seattle and Tacoma along the Puget Sound.
  • A. Vancouver–Seattle corridor
    The Vancouver–Seattle corridor is a major bi-national urban and transportation axis linking metropolitan regions in southwestern British Columbia and northwestern Washington State.
  • B. Empire Corridor
    The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
  • C. Portland–Vancouver–Salem CSA
    The Portland–Vancouver–Salem CSA is a large multi-county combined statistical area in the Pacific Northwest centered on Portland, Oregon, and including surrounding urban and suburban regions in both Oregon and Washington.
  • D. Southwest Washington
    Southwest Washington is a region of the U.S. state of Washington that encompasses the communities north of the Columbia River, including the Vancouver metropolitan area and surrounding counties.
  • E. King County Metro
    King County Metro is the primary public transit agency serving Seattle and the surrounding King County area, operating an extensive network of buses, rapid transit, and related services.
  • 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_69c687f5fac48190a09e4838d9c6b45d completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6b06f3da88190b17649f44ee93fd1 completed March 27, 2026, 4:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6ef028ccc8190a56395075c9aabf7 completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f0a2a150819091ec6e6d2905abcb completed March 27, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_69c6f1344dd4819096c1d3e216320c4d completed March 27, 2026, 9:05 p.m.
Created at: March 27, 2026, 2:01 p.m.