Triple

T4832782
Position Surface form Disambiguated ID Type / Status
Subject Potomac River crossings toward Washington, D.C. E107981 entity
Predicate hasComponent P35 FINISHED
Object Cabin John Bridge
Cabin John Bridge is a historic stone arch bridge in Maryland that carries traffic across Cabin John Creek near the Potomac River just outside Washington, D.C.
E689309 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: Cabin John Bridge | Statement: [Potomac River crossings toward Washington, D.C., hasComponent, Cabin John Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cabin John Bridge
Context triple: [Potomac River crossings toward Washington, D.C., hasComponent, Cabin John Bridge]
  • A. Rockville Bridge
    Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Pennsylvania Avenue Bridge
    The Pennsylvania Avenue Bridge is a major roadway bridge in Washington, D.C., carrying Pennsylvania Avenue across the Anacostia River and serving as an important commuter and transit link in the city’s transportation network.
  • 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: Cabin John Bridge
Triple: [Potomac River crossings toward Washington, D.C., hasComponent, Cabin John Bridge]
Generated description
Cabin John Bridge is a historic stone arch bridge in Maryland that carries traffic across Cabin John Creek near the Potomac River just outside Washington, D.C.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cabin John Bridge
Target entity description: Cabin John Bridge is a historic stone arch bridge in Maryland that carries traffic across Cabin John Creek near the Potomac River just outside Washington, D.C.
  • A. Rockville Bridge
    Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Pennsylvania Avenue Bridge
    The Pennsylvania Avenue Bridge is a major roadway bridge in Washington, D.C., carrying Pennsylvania Avenue across the Anacostia River and serving as an important commuter and transit link in the city’s transportation network.
  • 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_69c8fa179c008190a6bba55cb62b7fe8 completed March 29, 2026, 10:08 a.m.
NEDg Description generation batch_69c8faeaf610819087115315c2c1a3c5 completed March 29, 2026, 10:11 a.m.
NED2 Entity disambiguation (via description) batch_69c8fb4c55b48190be95a4299ce4b5c9 completed March 29, 2026, 10:13 a.m.
Created at: March 20, 2026, 1:24 p.m.