Triple

T2227745
Position Surface form Disambiguated ID Type / Status
Subject Portland bridge system E48691 entity
Predicate hasPart P35 FINISHED
Object Burlington Northern Railroad Bridge 5.1
Burlington Northern Railroad Bridge 5.1 is a historic steel railroad swing bridge spanning the Willamette River in Portland, Oregon, carrying freight and passenger trains as part of the city’s bridge network.
E244824 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: Burlington Northern Railroad Bridge 5.1 | Statement: [Portland bridge system, hasPart, Burlington Northern Railroad Bridge 5.1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Burlington Northern Railroad Bridge 5.1
Context triple: [Portland bridge system, hasPart, Burlington Northern Railroad Bridge 5.1]
  • A. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • 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. 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.
  • D. Grenville Dodge Memorial Bridge
    The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
  • E. Fair Oaks Bridge
    Fair Oaks Bridge is a historic truss bridge spanning the American River in Fair Oaks, California, popular for walking, cycling, and scenic river views.
  • 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: Burlington Northern Railroad Bridge 5.1
Triple: [Portland bridge system, hasPart, Burlington Northern Railroad Bridge 5.1]
Generated description
Burlington Northern Railroad Bridge 5.1 is a historic steel railroad swing bridge spanning the Willamette River in Portland, Oregon, carrying freight and passenger trains as part of the city’s bridge network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Burlington Northern Railroad Bridge 5.1
Target entity description: Burlington Northern Railroad Bridge 5.1 is a historic steel railroad swing bridge spanning the Willamette River in Portland, Oregon, carrying freight and passenger trains as part of the city’s bridge network.
  • A. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • 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. 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.
  • D. Grenville Dodge Memorial Bridge
    The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
  • E. Fair Oaks Bridge
    Fair Oaks Bridge is a historic truss bridge spanning the American River in Fair Oaks, California, popular for walking, cycling, and scenic river views.
  • 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_69a88aa51b388190949868ec9766e587 completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc0670ce48190b98814064bff0517 completed March 7, 2026, 6:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae6567b64c8190ab718f20bbf033df completed March 9, 2026, 6:15 a.m.
NEDg Description generation batch_69ae666bd32c81909ff15201757a6c76 completed March 9, 2026, 6:19 a.m.
NED2 Entity disambiguation (via description) batch_69ae66d8ba688190a2102c00fc6231c4 completed March 9, 2026, 6:21 a.m.
Created at: March 4, 2026, 7:47 p.m.