Triple

T231381
Position Surface form Disambiguated ID Type / Status
Subject Fairfax Stone E4417 entity
Predicate startPointOf P389 FINISHED
Object Maryland–West Virginia boundary (traditional)
The Maryland–West Virginia boundary (traditional) is the historic state line in the central Appalachian region whose course was long defined by early colonial surveys and landmarks such as the Fairfax Stone.
E29434 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: Maryland–West Virginia boundary (traditional) | Statement: [Fairfax Stone, startPointOf, Maryland–West Virginia boundary (traditional)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Maryland–West Virginia boundary (traditional)
Context triple: [Fairfax Stone, startPointOf, Maryland–West Virginia boundary (traditional)]
  • A. Mason–Dixon Line
    The Mason–Dixon Line is the historic boundary surveyed in the 18th century between several American colonies that later came to symbolize the cultural and political divide between the Northern and Southern United States.
  • B. Shenandoah Valley
    The Shenandoah Valley is a fertile and historic region of western Virginia and eastern West Virginia, nestled between the Blue Ridge and Allegheny Mountains and renowned for its scenic landscapes, agriculture, and Civil War heritage.
  • C. Martinsburg, West Virginia
    Martinsburg, West Virginia is a small historic city in the eastern panhandle of the state, known as a regional hub for transportation, commerce, and access to the Washington, D.C. metropolitan area.
  • D. Southern West Virginia
    Southern West Virginia is a largely rural, mountainous region of the state known for its coal mining heritage, Appalachian culture, and scenic landscapes.
  • E. Harpers Ferry, West Virginia
    Harpers Ferry, West Virginia is a historic town at the confluence of the Potomac and Shenandoah rivers, best known for John Brown’s 1859 raid and its pivotal role in the American Civil War.
  • 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: Maryland–West Virginia boundary (traditional)
Triple: [Fairfax Stone, startPointOf, Maryland–West Virginia boundary (traditional)]
Generated description
The Maryland–West Virginia boundary (traditional) is the historic state line in the central Appalachian region whose course was long defined by early colonial surveys and landmarks such as the Fairfax Stone.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Maryland–West Virginia boundary (traditional)
Target entity description: The Maryland–West Virginia boundary (traditional) is the historic state line in the central Appalachian region whose course was long defined by early colonial surveys and landmarks such as the Fairfax Stone.
  • A. Mason–Dixon Line
    The Mason–Dixon Line is the historic boundary surveyed in the 18th century between several American colonies that later came to symbolize the cultural and political divide between the Northern and Southern United States.
  • B. Shenandoah Valley
    The Shenandoah Valley is a fertile and historic region of western Virginia and eastern West Virginia, nestled between the Blue Ridge and Allegheny Mountains and renowned for its scenic landscapes, agriculture, and Civil War heritage.
  • C. Martinsburg, West Virginia
    Martinsburg, West Virginia is a small historic city in the eastern panhandle of the state, known as a regional hub for transportation, commerce, and access to the Washington, D.C. metropolitan area.
  • D. Southern West Virginia
    Southern West Virginia is a largely rural, mountainous region of the state known for its coal mining heritage, Appalachian culture, and scenic landscapes.
  • E. Harpers Ferry, West Virginia
    Harpers Ferry, West Virginia is a historic town at the confluence of the Potomac and Shenandoah rivers, best known for John Brown’s 1859 raid and its pivotal role in the American Civil War.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: startPointOf
Context triple: [Fairfax Stone, startPointOf, Maryland–West Virginia boundary (traditional)]
  • A. startPoint chosen
    Indicates the initial location or position from which an object, path, or action begins.
  • B. endPoint
    Indicates the terminal location, limit, or final state reached by an object, process, or path in a given relationship or action.
  • C. turningPointIn
    Indicates that an event or situation serves as a decisive change or pivotal moment within a larger process, narrative, or development.
  • D. interactionPoint
    Indicates a specific location or moment where two or more entities come into contact or engage with each other.
  • E. startDate
    Indicates the point in time when an event, state, or relationship begins.
  • 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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25e0868708190ad551ca06cc57f4a completed Feb. 28, 2026, 3:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69a35ea461288190bf60a31e8e8ba976 completed Feb. 28, 2026, 9:31 p.m.
NEDg Description generation batch_69a35ef7d9148190a0fad8f4bf0de77f completed Feb. 28, 2026, 9:32 p.m.
NED2 Entity disambiguation (via description) batch_69a35f55ced08190ae7c6fce098602be completed Feb. 28, 2026, 9:34 p.m.
PD Predicate disambiguation batch_69a25b5a075081909b0e9b88c1492d5a completed Feb. 28, 2026, 3:04 a.m.
Created at: Feb. 28, 2026, 2:53 a.m.