Triple

T2550965
Position Surface form Disambiguated ID Type / Status
Subject Alaska Railroad E56622 entity
Predicate hasBridge P386 FINISHED
Object Hurricane Gulch Bridge
Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
E412036 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: Hurricane Gulch Bridge | Statement: [Alaska Railroad, hasBridge, Hurricane Gulch Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hurricane Gulch Bridge
Context triple: [Alaska Railroad, hasBridge, Hurricane Gulch Bridge]
  • A. Bixby Creek Bridge
    Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
  • B. Newkirk Viaduct
    The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
  • C. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • D. Garcon Point Bridge
    Garcon Point Bridge is a toll bridge in Florida that spans Pensacola Bay, connecting the Garcon Point peninsula with the mainland near Milton and Gulf Breeze.
  • E. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • 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: Hurricane Gulch Bridge
Triple: [Alaska Railroad, hasBridge, Hurricane Gulch Bridge]
Generated description
Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hurricane Gulch Bridge
Target entity description: Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
  • A. Bixby Creek Bridge
    Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
  • B. Newkirk Viaduct
    The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
  • C. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • D. Garcon Point Bridge
    Garcon Point Bridge is a toll bridge in Florida that spans Pensacola Bay, connecting the Garcon Point peninsula with the mainland near Milton and Gulf Breeze.
  • E. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • 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_69ab4a4bfec081908039988ec4c86e28 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd2eaaf688190926a1104be12a540 completed March 7, 2026, 7:25 a.m.
NED1 Entity disambiguation (via context triple) batch_69b56b217af0819084d8aed695b8377b completed March 14, 2026, 2:05 p.m.
NEDg Description generation batch_69b56bdcfa94819096df212e6e99937e completed March 14, 2026, 2:08 p.m.
NED2 Entity disambiguation (via description) batch_69b56c5e73e88190896176180a9e58cd completed March 14, 2026, 2:10 p.m.
Created at: March 6, 2026, 9:48 p.m.