Triple

T10434344
Position Surface form Disambiguated ID Type / Status
Subject Forest Hills, Washington, D.C. E245998 entity
Predicate hasNearbyTrail P12052 FINISHED
Object Soapstone Valley trail
Soapstone Valley trail is a wooded urban hiking path in northwest Washington, D.C., known for its streamside scenery and natural escape from the surrounding city.
 E863964 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Soapstone Valley trail | Statement: [Forest Hills, Washington, D.C., hasNearbyTrail, Soapstone Valley trail]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Soapstone Valley trail
Context triple: [Forest Hills, Washington, D.C., hasNearbyTrail, Soapstone Valley trail]
  • A. Soapstone Trail
    Soapstone Trail is a popular hiking path within Maryland’s Patapsco Valley State Park, known for its wooded terrain, stream crossings, and moderate elevation changes.
  • B. Enchanted Valley Trail
    Enchanted Valley Trail is a popular hiking route in Washington’s Olympic National Park that follows the Quinault River through lush temperate rainforest to a scenic valley of waterfalls and historic backcountry structures.
  • C. Greenstone Ridge Trail
    Greenstone Ridge Trail is a long-distance hiking route that traverses the forested spine of Isle Royale, offering remote wilderness scenery and views of Lake Superior.
  • D. Chichaqua Valley Trail
    Chichaqua Valley Trail is a recreational multi-use trail in central Iowa that follows a former railroad corridor through scenic rural landscapes and natural areas.
  • E. Roaring Brook Trail
    Roaring Brook Trail is a popular hiking route in New York’s Adirondack High Peaks that ascends Giant Mountain alongside scenic cascades and forested terrain.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Soapstone Valley trail
Target entity description: Soapstone Valley trail is a wooded urban hiking path in northwest Washington, D.C., known for its streamside scenery and natural escape from the surrounding city.
  • A. Soapstone Trail
    Soapstone Trail is a popular hiking path within Maryland’s Patapsco Valley State Park, known for its wooded terrain, stream crossings, and moderate elevation changes.
  • B. Enchanted Valley Trail
    Enchanted Valley Trail is a popular hiking route in Washington’s Olympic National Park that follows the Quinault River through lush temperate rainforest to a scenic valley of waterfalls and historic backcountry structures.
  • C. Greenstone Ridge Trail
    Greenstone Ridge Trail is a long-distance hiking route that traverses the forested spine of Isle Royale, offering remote wilderness scenery and views of Lake Superior.
  • D. Chichaqua Valley Trail
    Chichaqua Valley Trail is a recreational multi-use trail in central Iowa that follows a former railroad corridor through scenic rural landscapes and natural areas.
  • E. Roaring Brook Trail
    Roaring Brook Trail is a popular hiking route in New York’s Adirondack High Peaks that ascends Giant Mountain alongside scenic cascades and forested terrain.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Soapstone Valley trail
Triple: [Forest Hills, Washington, D.C., hasNearbyTrail, Soapstone Valley trail]
Generated description
Soapstone Valley trail is a wooded urban hiking path in northwest Washington, D.C., known for its streamside scenery and natural escape from the surrounding city.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d381bf3dc08190bf35a2643e4e8f22 elicitation completed
NER batch_69d4ea67344c81909984ab99b0ef1e64 ner completed
NED1 batch_69d87ec1a0908190b5369ad55cf2bcb1 ned_source_triple completed
NED2 batch_69d88dc15ab481909011c5de93bbab14 ned_description completed
NEDg batch_69d886c325c4819089dac35eb26e7961 nedg completed
Created at: April 6, 2026, 12:14 p.m.