Triple

T303333
Position Surface form Disambiguated ID Type / Status
Subject Hoover Dam E6243 entity
Predicate bypassBridge P386 FINISHED
Object Mike O’Callaghan–Pat Tillman Memorial Bridge
The Mike O’Callaghan–Pat Tillman Memorial Bridge is a concrete arch bridge spanning the Colorado River near Hoover Dam, notable for carrying U.S. Route 93 between Nevada and Arizona and for being one of the highest bridges in the United States.
E62529 NE FINISHED

How this triple was built (5 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: Mike O’Callaghan–Pat Tillman Memorial Bridge | Statement: [Hoover Dam, bypassBridge, Mike O’Callaghan–Pat Tillman Memorial Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mike O’Callaghan–Pat Tillman Memorial Bridge
Context triple: [Hoover Dam, bypassBridge, Mike O’Callaghan–Pat Tillman 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. 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.
  • C. Hernando de Soto Bridge
    The Hernando de Soto Bridge is a large steel arch bridge carrying Interstate 40 across the Mississippi River between Memphis, Tennessee, and Arkansas.
  • D. Arland D. Williams Jr. Memorial Bridge
    The Arland D. Williams Jr. Memorial Bridge is a Potomac River crossing in Washington, D.C., named in honor of an Air Florida Flight 90 crash hero and carrying traffic as part of the 14th Street Bridge complex.
  • E. Richmond–San Rafael Bridge
    The Richmond–San Rafael Bridge is a major toll bridge in the San Francisco Bay Area that connects the cities of Richmond in the East Bay and San Rafael in Marin County.
  • 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: Mike O’Callaghan–Pat Tillman Memorial Bridge
Triple: [Hoover Dam, bypassBridge, Mike O’Callaghan–Pat Tillman Memorial Bridge]
Generated description
The Mike O’Callaghan–Pat Tillman Memorial Bridge is a concrete arch bridge spanning the Colorado River near Hoover Dam, notable for carrying U.S. Route 93 between Nevada and Arizona and for being one of the highest bridges in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mike O’Callaghan–Pat Tillman Memorial Bridge
Target entity description: The Mike O’Callaghan–Pat Tillman Memorial Bridge is a concrete arch bridge spanning the Colorado River near Hoover Dam, notable for carrying U.S. Route 93 between Nevada and Arizona and for being one of the highest bridges in the United States.
  • 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. 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.
  • C. Hernando de Soto Bridge
    The Hernando de Soto Bridge is a large steel arch bridge carrying Interstate 40 across the Mississippi River between Memphis, Tennessee, and Arkansas.
  • D. Arland D. Williams Jr. Memorial Bridge
    The Arland D. Williams Jr. Memorial Bridge is a Potomac River crossing in Washington, D.C., named in honor of an Air Florida Flight 90 crash hero and carrying traffic as part of the 14th Street Bridge complex.
  • E. Richmond–San Rafael Bridge
    The Richmond–San Rafael Bridge is a major toll bridge in the San Francisco Bay Area that connects the cities of Richmond in the East Bay and San Rafael in Marin County.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: bypassBridge
Context triple: [Hoover Dam, bypassBridge, Mike O’Callaghan–Pat Tillman Memorial Bridge]
  • A. bridges
    Indicates that one entity connects or links two or more other entities, allowing passage, transition, or interaction between them.
  • B. bridgeType
    Indicates the specific kind or classification of a bridge associated with an entity.
  • C. otherMainBridge
    Indicates that one bridge serves as an alternative or secondary primary bridge in relation to another main bridge.
  • D. crossedBy
    Indicates that one entity (typically a path, line, or boundary) is intersected or traversed by another entity.
  • E. hasMajorBridge chosen
    Indicates that one entity possesses or includes a primary or significant bridge associated with it.
  • F. None of above.

Provenance (6 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_69a2e79230508190b912ecb555aae17e completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea2fba548190a5aeb1597dca96bd completed Feb. 28, 2026, 1:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4853de9708190bd7156ef097bde29 completed March 1, 2026, 6:28 p.m.
NEDg Description generation batch_69a485ff84c08190998903ee526382f9 completed March 1, 2026, 6:31 p.m.
NED2 Entity disambiguation (via description) batch_69a4864a0ee08190959c1fbb49ef5c9c completed March 1, 2026, 6:32 p.m.
PD Predicate disambiguation batch_69a2e93c367881908d3f6e2b81d44d7f completed Feb. 28, 2026, 1:10 p.m.
Created at: Feb. 28, 2026, 1:06 p.m.