Triple

T8187078
Position Surface form Disambiguated ID Type / Status
Subject Christina River E191211 entity
Predicate hasBridge P386 FINISHED
Object Walnut Street Bridge (Wilmington)
Walnut Street Bridge (Wilmington) is a historic vehicular and pedestrian bridge in Wilmington, Delaware, connecting parts of the city across the Christina River.
 E718061 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: Walnut Street Bridge (Wilmington) | Statement: [Christina River, hasBridge, Walnut Street Bridge (Wilmington)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Walnut Street Bridge (Wilmington)
Context triple: [Christina River, hasBridge, Walnut Street Bridge (Wilmington)]
  • A. Walnut Street Bridge
    Walnut Street Bridge is a historic pedestrian truss bridge in Chattanooga, Tennessee, known as one of the world’s longest pedestrian bridges and a prominent riverfront landmark.
  • B. Walnut Street Bridge
    The Walnut Street Bridge is a historic pedestrian bridge spanning the Susquehanna River in Harrisburg, Pennsylvania, known for its distinctive iron truss design and scenic city views.
  • C. Summit Bridge over Chesapeake and Delaware Canal
    Summit Bridge over Chesapeake and Delaware Canal is a high-level highway bridge in Delaware that carries vehicular traffic across the Chesapeake & Delaware Canal near the community of Summit.
  • D. Walnut Lane Memorial Bridge
    Walnut Lane Memorial Bridge is a historic steel arch bridge in Philadelphia, Pennsylvania, recognized as one of David B. Steinman’s early landmark engineering works.
  • E. Market Street Bridge (Harrisburg)
    The Market Street Bridge in Harrisburg is a historic multi-span bridge that carries Market Street across the Susquehanna River, linking downtown Harrisburg with the West Shore communities.
  • 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: Walnut Street Bridge (Wilmington)
Triple: [Christina River, hasBridge, Walnut Street Bridge (Wilmington)]
Generated description
Walnut Street Bridge (Wilmington) is a historic vehicular and pedestrian bridge in Wilmington, Delaware, connecting parts of the city across the Christina River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Walnut Street Bridge (Wilmington)
Target entity description: Walnut Street Bridge (Wilmington) is a historic vehicular and pedestrian bridge in Wilmington, Delaware, connecting parts of the city across the Christina River.
  • A. Walnut Street Bridge
    Walnut Street Bridge is a historic pedestrian truss bridge in Chattanooga, Tennessee, known as one of the world’s longest pedestrian bridges and a prominent riverfront landmark.
  • B. Walnut Street Bridge
    The Walnut Street Bridge is a historic pedestrian bridge spanning the Susquehanna River in Harrisburg, Pennsylvania, known for its distinctive iron truss design and scenic city views.
  • C. Summit Bridge over Chesapeake and Delaware Canal
    Summit Bridge over Chesapeake and Delaware Canal is a high-level highway bridge in Delaware that carries vehicular traffic across the Chesapeake & Delaware Canal near the community of Summit.
  • D. Walnut Lane Memorial Bridge
    Walnut Lane Memorial Bridge is a historic steel arch bridge in Philadelphia, Pennsylvania, recognized as one of David B. Steinman’s early landmark engineering works.
  • E. Market Street Bridge (Harrisburg)
    The Market Street Bridge in Harrisburg is a historic multi-span bridge that carries Market Street across the Susquehanna River, linking downtown Harrisburg with the West Shore communities.
  • 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_69ca82c5b6948190a583c096fb0a6c71 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4d9e01208190842170abf62d9afb completed March 31, 2026, 4:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69cced7a109c819092d43d9e3cfc0706 completed April 1, 2026, 10:03 a.m.
NEDg Description generation batch_69ccf09b827881908e7fd7e9ff251674 completed April 1, 2026, 10:16 a.m.
NED2 Entity disambiguation (via description) batch_69cd0579b6d08190a5c68d730e1c6284 completed April 1, 2026, 11:46 a.m.
Created at: March 30, 2026, 5:41 p.m.