Triple

T2806281
Position Surface form Disambiguated ID Type / Status
Subject Battle of Vienna (American Civil War) E54059 entity
Predicate railroadUsed P13493 FINISHED
Object Alexandria, Loudoun and Hampshire Railroad
The Alexandria, Loudoun and Hampshire Railroad was a 19th-century Virginia railway line that played a strategic role during the American Civil War, including in early engagements such as the Battle of Vienna.
E299298 NE FINISHED

How this triple was built (5 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: Alexandria, Loudoun and Hampshire Railroad | Statement: [Battle of Vienna (American Civil War), railroadUsed, Alexandria, Loudoun and Hampshire Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alexandria, Loudoun and Hampshire Railroad
Context triple: [Battle of Vienna (American Civil War), railroadUsed, Alexandria, Loudoun and Hampshire Railroad]
  • A. Richmond, Fredericksburg and Potomac Railroad
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • B. Washington and Old Dominion Railroad
    The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
  • C. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • D. Chambersburg–Hagerstown line
    The Chambersburg–Hagerstown line is a historic railroad route in the Cumberland Valley region that connected Chambersburg, Pennsylvania, with Hagerstown, Maryland, facilitating regional trade and transportation.
  • E. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • 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: Alexandria, Loudoun and Hampshire Railroad
Triple: [Battle of Vienna (American Civil War), railroadUsed, Alexandria, Loudoun and Hampshire Railroad]
Generated description
The Alexandria, Loudoun and Hampshire Railroad was a 19th-century Virginia railway line that played a strategic role during the American Civil War, including in early engagements such as the Battle of Vienna.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alexandria, Loudoun and Hampshire Railroad
Target entity description: The Alexandria, Loudoun and Hampshire Railroad was a 19th-century Virginia railway line that played a strategic role during the American Civil War, including in early engagements such as the Battle of Vienna.
  • A. Richmond, Fredericksburg and Potomac Railroad
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • B. Washington and Old Dominion Railroad
    The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
  • C. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • D. Chambersburg–Hagerstown line
    The Chambersburg–Hagerstown line is a historic railroad route in the Cumberland Valley region that connected Chambersburg, Pennsylvania, with Hagerstown, Maryland, facilitating regional trade and transportation.
  • E. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: railroadUsed
Context triple: [Battle of Vienna (American Civil War), railroadUsed, Alexandria, Loudoun and Hampshire Railroad]
  • A. railroad
    Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
  • B. railwayUse chosen
    Indicates that something is used as, or functions in the capacity of, a railway or rail-based transportation facility.
  • C. railroadMet
    Indicates that two or more railroads encountered or connected with each other at a specific place or time.
  • D. formerRailUse
    Indicates that an entity previously served a particular railway-related function or purpose, but no longer does so.
  • E. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • F. None of above.

Provenance (6 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_69ab49dcee188190b5c6eca9ae9e3469 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abde2ec2ac8190bd702ad3eafb6aed completed March 7, 2026, 8:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69afc676d03081908986026dfe5fc852 completed March 10, 2026, 7:21 a.m.
NEDg Description generation batch_69afc7e1e0708190a1e87212435029f6 completed March 10, 2026, 7:27 a.m.
NED2 Entity disambiguation (via description) batch_69afc8470cc081908241d23975181aa0 completed March 10, 2026, 7:29 a.m.
PD Predicate disambiguation batch_69abdd059f308190853191f6ffe2bc6f completed March 7, 2026, 8:08 a.m.
Created at: March 6, 2026, 9:59 p.m.