Triple

T470777
Position Surface form Disambiguated ID Type / Status
Subject Antietam Creek E8549 entity
Predicate crossedBy P416 FINISHED
Object Burnside Bridge
Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
E58939 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: Burnside Bridge | Statement: [Antietam Creek, crossedBy, Burnside Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Burnside Bridge
Context triple: [Antietam Creek, crossedBy, Burnside Bridge]
  • A. Harpers Ferry railroad bridge over Potomac River
    The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
  • B. Francis Scott Key Bridge (Baltimore)
    The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
  • C. Longfellow Bridge
    Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
  • D. Woodrow Wilson Bridge
    The Woodrow Wilson Bridge is a major bascule highway bridge carrying the Capital Beltway (I-95/I-495) between Virginia and Maryland just south of Washington, D.C.
  • E. Memorial Bridge
    Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in 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: Burnside Bridge
Triple: [Antietam Creek, crossedBy, Burnside Bridge]
Generated description
Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Burnside Bridge
Target entity description: Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
  • A. Harpers Ferry railroad bridge over Potomac River
    The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
  • B. Francis Scott Key Bridge (Baltimore)
    The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
  • C. Longfellow Bridge
    Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
  • D. Woodrow Wilson Bridge
    The Woodrow Wilson Bridge is a major bascule highway bridge carrying the Capital Beltway (I-95/I-495) between Virginia and Maryland just south of Washington, D.C.
  • E. Memorial Bridge
    Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in 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_69a2e7f3aeb48190a19453e3a043f486 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2efef8b788190857ebf66df562d59 completed Feb. 28, 2026, 1:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69a462f9f1b88190a6c51368b5f80c5f completed March 1, 2026, 4:02 p.m.
NEDg Description generation batch_69a463afec188190893dec4417cb774c completed March 1, 2026, 4:05 p.m.
NED2 Entity disambiguation (via description) batch_69a4640129008190b7b69a87dd342936 completed March 1, 2026, 4:06 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.