Triple

T7707231
Position Surface form Disambiguated ID Type / Status
Subject Calvert Street NW E174649 entity
Predicate crossesVia P416 FINISHED
Object Duke Ellington Bridge
The Duke Ellington Bridge is a historic arched bridge in Washington, D.C., known for carrying traffic over Rock Creek Park and honoring the famed jazz musician and composer Duke Ellington.
E683314 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: Duke Ellington Bridge | Statement: [Calvert Street NW, crossesVia, Duke Ellington Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Duke Ellington Bridge
Context triple: [Calvert Street NW, crossesVia, Duke Ellington Bridge]
  • A. John Philip Sousa Bridge
    The John Philip Sousa Bridge is a major roadway bridge in Washington, D.C., carrying traffic across the Anacostia River and named in honor of the famous American composer and bandleader John Philip Sousa.
  • B. Friday Bridge
    Friday Bridge is a small village in Cambridgeshire, England, known for its rural character and location near the town of Wisbech.
  • C. Frederick Douglass Memorial Bridge
    The Frederick Douglass Memorial Bridge is a major vehicular and pedestrian bridge in Washington, D.C., named in honor of abolitionist Frederick Douglass and serving as a key gateway into the city.
  • D. M Street Bridge
    The M Street Bridge was a former Sacramento River crossing in California that preceded and was ultimately replaced by the iconic Tower Bridge.
  • E. Rochambeau Memorial Bridge
    The Rochambeau Memorial Bridge is a major highway bridge carrying Interstate 395 across the Potomac River into Washington, D.C.
  • 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: Duke Ellington Bridge
Triple: [Calvert Street NW, crossesVia, Duke Ellington Bridge]
Generated description
The Duke Ellington Bridge is a historic arched bridge in Washington, D.C., known for carrying traffic over Rock Creek Park and honoring the famed jazz musician and composer Duke Ellington.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Duke Ellington Bridge
Target entity description: The Duke Ellington Bridge is a historic arched bridge in Washington, D.C., known for carrying traffic over Rock Creek Park and honoring the famed jazz musician and composer Duke Ellington.
  • A. John Philip Sousa Bridge
    The John Philip Sousa Bridge is a major roadway bridge in Washington, D.C., carrying traffic across the Anacostia River and named in honor of the famous American composer and bandleader John Philip Sousa.
  • B. Friday Bridge
    Friday Bridge is a small village in Cambridgeshire, England, known for its rural character and location near the town of Wisbech.
  • C. Frederick Douglass Memorial Bridge
    The Frederick Douglass Memorial Bridge is a major vehicular and pedestrian bridge in Washington, D.C., named in honor of abolitionist Frederick Douglass and serving as a key gateway into the city.
  • D. M Street Bridge
    The M Street Bridge was a former Sacramento River crossing in California that preceded and was ultimately replaced by the iconic Tower Bridge.
  • E. Rochambeau Memorial Bridge
    The Rochambeau Memorial Bridge is a major highway bridge carrying Interstate 395 across the Potomac River into Washington, D.C.
  • 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_69c702a93f288190a53bbe6620417528 completed March 27, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8acc48708819082d58218eb753327 completed March 29, 2026, 4:38 a.m.
NEDg Description generation batch_69c8ae258a7081909bd30259a368d865 completed March 29, 2026, 4:44 a.m.
NED2 Entity disambiguation (via description) batch_69c8aebc46e481908872d0c4c77345b5 completed March 29, 2026, 4:46 a.m.
Created at: March 27, 2026, 4:04 p.m.