Triple

T2618013
Position Surface form Disambiguated ID Type / Status
Subject Third System of US seacoast defense E58935 entity
Predicate hasPart P35 FINISHED
Object Fort Washington (Potomac River)
Fort Washington (Potomac River) is a historic 19th-century masonry coastal fortification on the Potomac River in Maryland that served as a key element in the defense of Washington, D.C.
 E283045 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: Fort Washington (Potomac River) | Statement: [Third System of US seacoast defense, hasPart, Fort Washington (Potomac River)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fort Washington (Potomac River)
Context triple: [Third System of US seacoast defense, hasPart, Fort Washington (Potomac River)]
  • A. Gwynns Falls
    Gwynns Falls is an urban stream and watershed in Baltimore, Maryland, known for its ecological, recreational, and historical significance within the Patapsco River basin.
  • B. Aquia Creek
    Aquia Creek is a tidal tributary of the Potomac River in Virginia, historically significant for transportation, quarrying, and Civil War activity.
  • C. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • D. Accotink Creek
    Accotink Creek is a stream in Northern Virginia that flows through Fairfax County and ultimately feeds into the Potomac River.
  • E. Anacostia River
    The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
  • 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: Fort Washington (Potomac River)
Triple: [Third System of US seacoast defense, hasPart, Fort Washington (Potomac River)]
Generated description
Fort Washington (Potomac River) is a historic 19th-century masonry coastal fortification on the Potomac River in Maryland that served as a key element in the defense of Washington, D.C.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fort Washington (Potomac River)
Target entity description: Fort Washington (Potomac River) is a historic 19th-century masonry coastal fortification on the Potomac River in Maryland that served as a key element in the defense of Washington, D.C.
  • A. Gwynns Falls
    Gwynns Falls is an urban stream and watershed in Baltimore, Maryland, known for its ecological, recreational, and historical significance within the Patapsco River basin.
  • B. Aquia Creek
    Aquia Creek is a tidal tributary of the Potomac River in Virginia, historically significant for transportation, quarrying, and Civil War activity.
  • C. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • D. Accotink Creek
    Accotink Creek is a stream in Northern Virginia that flows through Fairfax County and ultimately feeds into the Potomac River.
  • E. Anacostia River
    The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
  • 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_69ab4ac444dc819099614e534dd6021f completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abd894b29c81909c7f78c6c3cc7f89 completed March 7, 2026, 7:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69af908ba2908190b535d96c6f0e76ba completed March 10, 2026, 3:31 a.m.
NEDg Description generation batch_69af914ebc80819091524d1a4c316337 completed March 10, 2026, 3:34 a.m.
NED2 Entity disambiguation (via description) batch_69af91cc03648190936adfcccb6017de completed March 10, 2026, 3:36 a.m.
Created at: March 6, 2026, 9:50 p.m.