Triple

T15402740
Position Surface form Disambiguated ID Type / Status
Subject Columbia Island E368363 entity
Predicate partOf P40 FINISHED
Object Potomac River parklands
The Potomac River parklands are a collection of federally managed green spaces, memorials, and recreational areas along the Potomac River in the Washington, D.C. region.
 E1155257 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: Potomac River parklands | Statement: [Columbia Island, partOf, Potomac River parklands]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Potomac River parklands
Context triple: [Columbia Island, partOf, Potomac River parklands]
  • A. Pohick Stream Valley Park
    Pohick Stream Valley Park is a natural stream valley and recreational park in Burke, Virginia, featuring wooded trails, wildlife habitats, and access to Pohick Creek.
  • B. Cabin John Regional Park
    Cabin John Regional Park is a large Montgomery County, Maryland park known for its wooded trails, picnic areas, playgrounds, and recreational facilities including the Cabin John Ice Rink and miniature train.
  • C. 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.
  • D. Pohick Bay Regional Park
    Pohick Bay Regional Park is a waterfront recreational area in Northern Virginia offering camping, boating, hiking, and other outdoor activities along the Potomac River.
  • E. Accokeek Creek Natural Area
    Accokeek Creek Natural Area is a protected natural parkland in Accokeek, Maryland, known for its forested trails, wetlands, and opportunities for wildlife viewing along Accokeek Creek.
  • 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: Potomac River parklands
Triple: [Columbia Island, partOf, Potomac River parklands]
Generated description
The Potomac River parklands are a collection of federally managed green spaces, memorials, and recreational areas along the Potomac River in the Washington, D.C. region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Potomac River parklands
Target entity description: The Potomac River parklands are a collection of federally managed green spaces, memorials, and recreational areas along the Potomac River in the Washington, D.C. region.
  • A. Pohick Stream Valley Park
    Pohick Stream Valley Park is a natural stream valley and recreational park in Burke, Virginia, featuring wooded trails, wildlife habitats, and access to Pohick Creek.
  • B. Cabin John Regional Park
    Cabin John Regional Park is a large Montgomery County, Maryland park known for its wooded trails, picnic areas, playgrounds, and recreational facilities including the Cabin John Ice Rink and miniature train.
  • C. 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.
  • D. Pohick Bay Regional Park
    Pohick Bay Regional Park is a waterfront recreational area in Northern Virginia offering camping, boating, hiking, and other outdoor activities along the Potomac River.
  • E. Accokeek Creek Natural Area
    Accokeek Creek Natural Area is a protected natural parkland in Accokeek, Maryland, known for its forested trails, wetlands, and opportunities for wildlife viewing along Accokeek Creek.
  • 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_69d85a16c68c819099c1b547fbc87b32 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e8ea0ac8190a5c68b1951ad3db1 completed April 16, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff13584f8881908b2527c51f85ae28 completed May 9, 2026, 10:58 a.m.
NEDg Description generation batch_69ff145ac8e081908b075cee67e82aa3 completed May 9, 2026, 11:02 a.m.
NED2 Entity disambiguation (via description) batch_69ff1509e5a48190b69f1a44d793e07d completed May 9, 2026, 11:05 a.m.
Created at: April 10, 2026, 3:19 a.m.