Triple

T7438170
Position Surface form Disambiguated ID Type / Status
Subject Washington State Route 99 E171672 entity
Predicate replacedStructure P10258 FINISHED
Object Alaskan Way Viaduct with State Route 99 Tunnel E514992 NE FINISHED

How this triple was built (2 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: Alaskan Way Viaduct with State Route 99 Tunnel | Statement: [Washington State Route 99, replacedStructure, Alaskan Way Viaduct with State Route 99 Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alaskan Way Viaduct with State Route 99 Tunnel
Context triple: [Washington State Route 99, replacedStructure, Alaskan Way Viaduct with State Route 99 Tunnel]
  • A. Alaskan Way Viaduct chosen
    The Alaskan Way Viaduct was an elevated highway along Seattle’s waterfront that carried a section of State Route 99 before being demolished due to seismic vulnerability and replaced by a tunnel.
  • B. Downtown Seattle Transit Tunnel
    The Downtown Seattle Transit Tunnel is a former dual-use bus and light rail tunnel running beneath central Seattle that served as a major rapid transit corridor through the city’s downtown.
  • C. Transbay Tube
    The Transbay Tube is an underwater rail tunnel beneath San Francisco Bay that carries BART trains between San Francisco and Oakland.
  • D. Spokane Street Viaduct
    The Spokane Street Viaduct is an elevated roadway in Seattle that connects Interstate 5 to the West Seattle Bridge, carrying traffic over the SoDo industrial district.
  • E. Yerba Buena Tunnel
    Yerba Buena Tunnel is a vehicular tunnel in the San Francisco Bay that carries the San Francisco–Oakland Bay Bridge through Yerba Buena Island, connecting its eastern and western spans.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c68a64228c8190affaec2a8127ce7b completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f34aa3388190ac300cf934042d78 completed March 27, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83449b84c81909167f29e901c0881 completed March 28, 2026, 8:04 p.m.
Created at: March 27, 2026, 3:13 p.m.