Triple

T8033576
Position Surface form Disambiguated ID Type / Status
Subject Duwamish River E187046 entity
Predicate hasBridge P386 FINISHED
Object First Avenue South Bridge
The First Avenue South Bridge is a major movable-span roadway bridge in Seattle, Washington, carrying traffic across the Duwamish Waterway between the city's industrial and downtown areas.
E708494 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: First Avenue South Bridge | Statement: [Duwamish River, hasBridge, First Avenue South Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: First Avenue South Bridge
Context triple: [Duwamish River, hasBridge, First Avenue South Bridge]
  • A. University Avenue Bridge
    The University Avenue Bridge is a historic movable bridge in Philadelphia, Pennsylvania, carrying University Avenue over the Schuylkill River and serving as an important connection between West Philadelphia and the city's medical and university districts.
  • B. University Avenue Bridge
    The University Avenue Bridge is a roadway bridge spanning the Chena River in Fairbanks, Alaska, serving as a key local transportation link.
  • C. Northern Avenue Bridge
    The Northern Avenue Bridge is a historic steel truss bridge in Boston, Massachusetts, known for its former role carrying traffic across the Fort Point Channel between downtown and the Seaport District.
  • D. Fourth Street Bridge
    The Fourth Street Bridge is a historic concrete viaduct in Los Angeles known for carrying Fourth Street over rail lines and industrial areas near downtown and the Los Angeles River.
  • E. NW 5th Street Bridge
    The NW 5th Street Bridge is a movable bascule bridge in Miami, Florida, carrying Northwest 5th Street across the Miami River and serving as a key local traffic crossing near downtown.
  • 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: First Avenue South Bridge
Triple: [Duwamish River, hasBridge, First Avenue South Bridge]
Generated description
The First Avenue South Bridge is a major movable-span roadway bridge in Seattle, Washington, carrying traffic across the Duwamish Waterway between the city's industrial and downtown areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: First Avenue South Bridge
Target entity description: The First Avenue South Bridge is a major movable-span roadway bridge in Seattle, Washington, carrying traffic across the Duwamish Waterway between the city's industrial and downtown areas.
  • A. University Avenue Bridge
    The University Avenue Bridge is a historic movable bridge in Philadelphia, Pennsylvania, carrying University Avenue over the Schuylkill River and serving as an important connection between West Philadelphia and the city's medical and university districts.
  • B. University Avenue Bridge
    The University Avenue Bridge is a roadway bridge spanning the Chena River in Fairbanks, Alaska, serving as a key local transportation link.
  • C. Northern Avenue Bridge
    The Northern Avenue Bridge is a historic steel truss bridge in Boston, Massachusetts, known for its former role carrying traffic across the Fort Point Channel between downtown and the Seaport District.
  • D. Fourth Street Bridge
    The Fourth Street Bridge is a historic concrete viaduct in Los Angeles known for carrying Fourth Street over rail lines and industrial areas near downtown and the Los Angeles River.
  • E. NW 5th Street Bridge
    The NW 5th Street Bridge is a movable bascule bridge in Miami, Florida, carrying Northwest 5th Street across the Miami River and serving as a key local traffic crossing near downtown.
  • 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_69ca82ae2d1081909dbfee42b41db419 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3ef3e6848190913c4b1bef506aae completed March 31, 2026, 3:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc56ede1ac8190afd8a050e9a25851 completed March 31, 2026, 11:21 p.m.
NEDg Description generation batch_69cc58abd96c8190ab9eeaece67d5408 completed March 31, 2026, 11:28 p.m.
NED2 Entity disambiguation (via description) batch_69cc5cc2f71081909cb7c0c245368edb completed March 31, 2026, 11:46 p.m.
Created at: March 30, 2026, 5:22 p.m.