Triple

T5046777
Position Surface form Disambiguated ID Type / Status
Subject Decatur, Alabama E113684 entity
Predicate hasBridge P386 FINISHED
Object Steamboat Bill Memorial Bridge
The Steamboat Bill Memorial Bridge is a notable roadway bridge in Decatur, Alabama, commemorating the city’s historic riverboat heritage and providing a key crossing over the Tennessee River.
 E690035 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: Steamboat Bill Memorial Bridge | Statement: [Decatur, Alabama, hasBridge, Steamboat Bill Memorial Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Steamboat Bill Memorial Bridge
Context triple: [Decatur, Alabama, hasBridge, Steamboat Bill Memorial Bridge]
  • A. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • B. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • C. Theodore Roosevelt Bridge
    The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
  • D. Grenville Dodge Memorial Bridge
    The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
  • E. Abraham Lincoln Bridge
    The Abraham Lincoln Bridge is a major Ohio River crossing connecting Louisville, Kentucky, and Jeffersonville, Indiana, carrying northbound traffic as part of a key interstate route.
  • 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: Steamboat Bill Memorial Bridge
Triple: [Decatur, Alabama, hasBridge, Steamboat Bill Memorial Bridge]
Generated description
The Steamboat Bill Memorial Bridge is a notable roadway bridge in Decatur, Alabama, commemorating the city’s historic riverboat heritage and providing a key crossing over the Tennessee River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Steamboat Bill Memorial Bridge
Target entity description: The Steamboat Bill Memorial Bridge is a notable roadway bridge in Decatur, Alabama, commemorating the city’s historic riverboat heritage and providing a key crossing over the Tennessee River.
  • A. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • B. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • C. Theodore Roosevelt Bridge
    The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
  • D. Grenville Dodge Memorial Bridge
    The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
  • E. Abraham Lincoln Bridge
    The Abraham Lincoln Bridge is a major Ohio River crossing connecting Louisville, Kentucky, and Jeffersonville, Indiana, carrying northbound traffic as part of a key interstate route.
  • 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_69bd44391fc48190a311ce9c826c209b completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd740002b48190bc7aa176d734c589 completed March 20, 2026, 4:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c91b0ad9188190ad74c33802f50783 completed March 29, 2026, 12:28 p.m.
NEDg Description generation batch_69c91c58f10081908e00d8e1f250ef65 completed March 29, 2026, 12:34 p.m.
NED2 Entity disambiguation (via description) batch_69c91ca5bc6c8190a8e4fe0955bb192e completed March 29, 2026, 12:35 p.m.
Created at: March 20, 2026, 1:37 p.m.