Triple

T2078595
Position Surface form Disambiguated ID Type / Status
Subject Chattanooga E44986 entity
Predicate hasLandmark P105 FINISHED
Object 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.
E234376 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 | Statement: [Chattanooga, hasLandmark, Walnut Street Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Walnut Street Bridge
Context triple: [Chattanooga, hasLandmark, Walnut Street Bridge]
  • A. Wells Street Bridge
    Wells Street Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago that carries both road traffic and elevated trains across the Chicago River.
  • B. 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.
  • C. Benjamin Franklin Bridge
    The Benjamin Franklin Bridge is a major suspension bridge connecting Philadelphia, Pennsylvania, and Camden, New Jersey, serving as a key transportation link across the Delaware River.
  • D. 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.
  • E. 14th Street Bridge
    The 14th Street Bridge is a major bridge complex over the Potomac River in the Washington, D.C. area that carries multiple highway and rail routes between Virginia and the nation’s capital.
  • 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
Triple: [Chattanooga, hasLandmark, Walnut Street Bridge]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Walnut Street Bridge
Target entity description: 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.
  • A. Wells Street Bridge
    Wells Street Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago that carries both road traffic and elevated trains across the Chicago River.
  • B. 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.
  • C. Benjamin Franklin Bridge
    The Benjamin Franklin Bridge is a major suspension bridge connecting Philadelphia, Pennsylvania, and Camden, New Jersey, serving as a key transportation link across the Delaware River.
  • D. 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.
  • E. 14th Street Bridge
    The 14th Street Bridge is a major bridge complex over the Potomac River in the Washington, D.C. area that carries multiple highway and rail routes between Virginia and the nation’s capital.
  • 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_69a88916c2b48190a5ca2e9b12cad3ed completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abba31eef8819081cf7f5334b59fe1 completed March 7, 2026, 5:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae3056aa0c8190b19d97ac0c3bc31d completed March 9, 2026, 2:28 a.m.
NEDg Description generation batch_69ae313e47908190a01affff24a3a81b completed March 9, 2026, 2:32 a.m.
NED2 Entity disambiguation (via description) batch_69ae31a67eb08190a3ef64e83301fabc completed March 9, 2026, 2:34 a.m.
Created at: March 4, 2026, 7:41 p.m.