Triple

T4832783
Position Surface form Disambiguated ID Type / Status
Subject Potomac River crossings toward Washington, D.C. E107981 entity
Predicate hasComponent P35 FINISHED
Object Clara Barton Parkway Potomac River crossing
Clara Barton Parkway Potomac River crossing is a roadway bridge that carries the Clara Barton Parkway across the Potomac River as part of the network of approaches into Washington, D.C.
 E472866 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: Clara Barton Parkway Potomac River crossing | Statement: [Potomac River crossings toward Washington, D.C., hasComponent, Clara Barton Parkway Potomac River crossing]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Clara Barton Parkway Potomac River crossing
Context triple: [Potomac River crossings toward Washington, D.C., hasComponent, Clara Barton Parkway Potomac River crossing]
  • A. Powhite Parkway Bridge
    The Powhite Parkway Bridge is a major toll bridge in Richmond, Virginia, carrying the Powhite Parkway across the James River as part of a key commuter route into the city.
  • B. Rockville Bridge
    Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
  • C. George Mason Memorial Bridge
    The George Mason Memorial Bridge is a major Potomac River crossing in Washington, D.C., carrying traffic as part of the multi-span 14th Street Bridge complex between the city and Virginia.
  • D. Arlington Memorial Bridge
    Arlington Memorial Bridge is a historic Neoclassical span across the Potomac River in Washington, D.C., symbolically linking the Lincoln Memorial with Arlington National Cemetery.
  • E. 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.
  • 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: Clara Barton Parkway Potomac River crossing
Triple: [Potomac River crossings toward Washington, D.C., hasComponent, Clara Barton Parkway Potomac River crossing]
Generated description
Clara Barton Parkway Potomac River crossing is a roadway bridge that carries the Clara Barton Parkway across the Potomac River as part of the network of approaches into Washington, D.C.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Clara Barton Parkway Potomac River crossing
Target entity description: Clara Barton Parkway Potomac River crossing is a roadway bridge that carries the Clara Barton Parkway across the Potomac River as part of the network of approaches into Washington, D.C.
  • A. Powhite Parkway Bridge
    The Powhite Parkway Bridge is a major toll bridge in Richmond, Virginia, carrying the Powhite Parkway across the James River as part of a key commuter route into the city.
  • B. Rockville Bridge
    Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
  • C. George Mason Memorial Bridge
    The George Mason Memorial Bridge is a major Potomac River crossing in Washington, D.C., carrying traffic as part of the multi-span 14th Street Bridge complex between the city and Virginia.
  • D. Arlington Memorial Bridge
    Arlington Memorial Bridge is a historic Neoclassical span across the Potomac River in Washington, D.C., symbolically linking the Lincoln Memorial with Arlington National Cemetery.
  • E. 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.
  • 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_69bd43fbe444819085cb970706ef73f7 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6cca88d88190a8ad6cf7856bdf69 completed March 20, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4dd744688190a420580e3a8332ff completed March 21, 2026, 7:50 a.m.
NEDg Description generation batch_69be4e764b60819097aace8e7321dc0c completed March 21, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69be4ef7c3e081909c74a573058810f0 completed March 21, 2026, 7:55 a.m.
Created at: March 20, 2026, 1:24 p.m.