Triple

T21381127
Position Surface form Disambiguated ID Type / Status
Subject Damen Avenue E527356 entity
Predicate hasBridge P386 FINISHED
Object Damen Avenue Bridge over the South Branch Chicago River
The Damen Avenue Bridge over the South Branch Chicago River is a historic Chicago roadway bridge carrying Damen Avenue across the river, serving as a key north–south transportation link on the city’s Near West Side.
E1481111 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: Damen Avenue Bridge over the South Branch Chicago River | Statement: [Damen Avenue, hasBridge, Damen Avenue Bridge over the South Branch Chicago River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Damen Avenue Bridge over the South Branch Chicago River
Context triple: [Damen Avenue, hasBridge, Damen Avenue Bridge over the South Branch Chicago River]
  • A. Damen Avenue Bridge over the North Branch Chicago River
    The Damen Avenue Bridge over the North Branch Chicago River is a historic Chicago roadway bridge carrying Damen Avenue across the river, serving as a key connector in the city’s transportation network.
  • B. South Halsted Street Bridge
    The South Halsted Street Bridge is a historically significant movable bridge in Chicago, Illinois, recognized as an important example of early 20th-century bridge engineering.
  • C. Washington Boulevard Bridge
    The Washington Boulevard Bridge is a historic concrete viaduct in Los Angeles that carries Washington Boulevard over the Los Angeles River as part of the city’s notable river-spanning bridge system.
  • D. LaSalle Street Bridge
    The LaSalle Street Bridge is a historic double-leaf bascule bridge in downtown Chicago, carrying LaSalle Street over the Chicago River and serving as an iconic part of the city's riverfront architecture.
  • E. Michigan Street Bridge
    The Michigan Street Bridge is a historic steel truss bridge spanning the Sturgeon Bay Ship Canal in Sturgeon Bay, Wisconsin, known for its distinctive rolling lift bascule design.
  • 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: Damen Avenue Bridge over the South Branch Chicago River
Triple: [Damen Avenue, hasBridge, Damen Avenue Bridge over the South Branch Chicago River]
Generated description
The Damen Avenue Bridge over the South Branch Chicago River is a historic Chicago roadway bridge carrying Damen Avenue across the river, serving as a key north–south transportation link on the city’s Near West Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Damen Avenue Bridge over the South Branch Chicago River
Target entity description: The Damen Avenue Bridge over the South Branch Chicago River is a historic Chicago roadway bridge carrying Damen Avenue across the river, serving as a key north–south transportation link on the city’s Near West Side.
  • A. Damen Avenue Bridge over the North Branch Chicago River chosen
    The Damen Avenue Bridge over the North Branch Chicago River is a historic Chicago roadway bridge carrying Damen Avenue across the river, serving as a key connector in the city’s transportation network.
  • B. South Halsted Street Bridge
    The South Halsted Street Bridge is a historically significant movable bridge in Chicago, Illinois, recognized as an important example of early 20th-century bridge engineering.
  • C. Washington Boulevard Bridge
    The Washington Boulevard Bridge is a historic concrete viaduct in Los Angeles that carries Washington Boulevard over the Los Angeles River as part of the city’s notable river-spanning bridge system.
  • D. LaSalle Street Bridge
    The LaSalle Street Bridge is a historic double-leaf bascule bridge in downtown Chicago, carrying LaSalle Street over the Chicago River and serving as an iconic part of the city's riverfront architecture.
  • E. Michigan Street Bridge
    The Michigan Street Bridge is a historic steel truss bridge spanning the Sturgeon Bay Ship Canal in Sturgeon Bay, Wisconsin, known for its distinctive rolling lift bascule design.
  • F. None of above.

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_69e0b51f363c8190944000ab5523b02b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b0cec99881908481d0b08df358a8 completed April 22, 2026, 11:28 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09bb4448948190badaf0ae9c03ffc4 completed May 17, 2026, 12:57 p.m.
NEDg Description generation batch_6a09bea2b9788190b41d3da0b5f3329e completed May 17, 2026, 1:12 p.m.
NED2 Entity disambiguation (via description) batch_6a09bf3466848190b2a5793f5f51efd7 completed May 17, 2026, 1:14 p.m.
Created at: April 16, 2026, 5:11 p.m.