Triple

T437411
Position Surface form Disambiguated ID Type / Status
Subject Harpers Ferry, West Virginia E10039 entity
Predicate hasNearbyPark P3449 FINISHED
Object Chesapeake and Ohio Canal National Historical Park (across Potomac)
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
E55055 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: Chesapeake and Ohio Canal National Historical Park (across Potomac) | Statement: [Harpers Ferry, West Virginia, hasNearbyPark, Chesapeake and Ohio Canal National Historical Park (across Potomac)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chesapeake and Ohio Canal National Historical Park (across Potomac)
Context triple: [Harpers Ferry, West Virginia, hasNearbyPark, Chesapeake and Ohio Canal National Historical Park (across Potomac)]
  • A. Great Falls Park
    Great Falls Park is a U.S. national park along the Potomac River in Virginia, known for its dramatic waterfalls, rugged river gorge, and hiking and viewing opportunities near Washington, D.C.
  • B. Delaware and Hudson Canal
    The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
  • C. Schuylkill River National and State Heritage Area
    Schuylkill River National and State Heritage Area is a designated heritage corridor in southeastern Pennsylvania that preserves and interprets the region’s industrial, environmental, and Revolutionary War history along the Schuylkill River.
  • D. Lake Accotink Park
    Lake Accotink Park is a popular Fairfax County, Virginia recreational area centered around Lake Accotink, offering trails, boating, picnicking, and other outdoor activities.
  • E. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • 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: Chesapeake and Ohio Canal National Historical Park (across Potomac)
Triple: [Harpers Ferry, West Virginia, hasNearbyPark, Chesapeake and Ohio Canal National Historical Park (across Potomac)]
Generated description
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chesapeake and Ohio Canal National Historical Park (across Potomac)
Target entity description: Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
  • A. Great Falls Park
    Great Falls Park is a U.S. national park along the Potomac River in Virginia, known for its dramatic waterfalls, rugged river gorge, and hiking and viewing opportunities near Washington, D.C.
  • B. Delaware and Hudson Canal
    The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
  • C. Schuylkill River National and State Heritage Area
    Schuylkill River National and State Heritage Area is a designated heritage corridor in southeastern Pennsylvania that preserves and interprets the region’s industrial, environmental, and Revolutionary War history along the Schuylkill River.
  • D. Lake Accotink Park
    Lake Accotink Park is a popular Fairfax County, Virginia recreational area centered around Lake Accotink, offering trails, boating, picnicking, and other outdoor activities.
  • E. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasNearbyPark
Context triple: [Harpers Ferry, West Virginia, hasNearbyPark, Chesapeake and Ohio Canal National Historical Park (across Potomac)]
  • A. hasAttractionNearby chosen
    Indicates that one entity is located close to another entity that serves as an attraction or point of interest.
  • B. hasNearbyFacility
    Indicates that one entity is located close to or in the vicinity of a particular facility.
  • C. nearbyCurrent
    Indicates that one entity is located close to another entity at the present moment or in the current context.
  • D. hasParking
    Indicates that a place or facility provides designated parking space(s) available for use.
  • E. hasNearbyTrailheadFor
    Indicates that one location has a trailhead situated close enough to serve as a convenient access point for another location.
  • 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_69a2e8465ef481909655c681b01e2986 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2ef26bb78819089b3b5dac0330619 completed Feb. 28, 2026, 1:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4366d2ec881908d8c0b28e4ca55fc completed March 1, 2026, 12:51 p.m.
NEDg Description generation batch_69a436bb57848190a56dc2c340ea6229 completed March 1, 2026, 12:53 p.m.
NED2 Entity disambiguation (via description) batch_69a4372b4c3c8190a5ccfe0d9325d9ef completed March 1, 2026, 12:55 p.m.
PD Predicate disambiguation batch_69a2eddb98e081909efcf9f0a955a908 completed Feb. 28, 2026, 1:30 p.m.
Created at: Feb. 28, 2026, 1:11 p.m.