Triple

T7711114
Position Surface form Disambiguated ID Type / Status
Subject J. A. L. Waddell E174752 entity
Predicate notableWork P4 FINISHED
Object 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.
E774979 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: South Halsted Street Bridge | Statement: [J. A. L. Waddell, notableWork, South Halsted Street Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Halsted Street Bridge
Context triple: [J. A. L. Waddell, notableWork, South Halsted Street Bridge]
  • A. 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.
  • B. DuSable Bridge
    DuSable Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago, renowned as a key landmark connecting Michigan Avenue across the Chicago River.
  • C. Montlake Bridge
    Montlake Bridge is a historic double-leaf bascule drawbridge in Seattle, Washington, carrying traffic across the Lake Washington Ship Canal between the University District and the Montlake neighborhood.
  • D. Willis Avenue Bridge
    The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
  • E. Lake Street Bridge
    Lake Street Bridge is a movable bascule bridge spanning the Chicago River in downtown Chicago, Illinois.
  • 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: South Halsted Street Bridge
Triple: [J. A. L. Waddell, notableWork, South Halsted Street Bridge]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Halsted Street Bridge
Target entity description: 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.
  • A. 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.
  • B. DuSable Bridge
    DuSable Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago, renowned as a key landmark connecting Michigan Avenue across the Chicago River.
  • C. Montlake Bridge
    Montlake Bridge is a historic double-leaf bascule drawbridge in Seattle, Washington, carrying traffic across the Lake Washington Ship Canal between the University District and the Montlake neighborhood.
  • D. Willis Avenue Bridge
    The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
  • E. Lake Street Bridge
    Lake Street Bridge is a movable bascule bridge spanning the Chicago River in downtown Chicago, Illinois.
  • 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_69c6995b3e8c8190833108f883d5f53c completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702ae8b20819096930fe4be41b7be completed March 27, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69cfeaaf9ea0819091bd0981068e5a72 completed April 3, 2026, 4:28 p.m.
NEDg Description generation batch_69cfec2bde708190b73c7672625e912d completed April 3, 2026, 4:34 p.m.
NED2 Entity disambiguation (via description) batch_69cfee809b54819089d4d0d5c555e428 completed April 3, 2026, 4:44 p.m.
Created at: March 27, 2026, 4:04 p.m.