Triple

T12179921
Position Surface form Disambiguated ID Type / Status
Subject Chicago Basin E290189 entity
Predicate trailheadAccess P30481 FINISHED
Object Needleton trailhead
Needleton trailhead is a remote access point along the Durango & Silverton Narrow Gauge Railroad in Colorado, serving hikers heading into the Chicago Basin area of the San Juan Mountains.
 E967604 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: Needleton trailhead | Statement: [Chicago Basin, trailheadAccess, Needleton trailhead]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Needleton trailhead
Context triple: [Chicago Basin, trailheadAccess, Needleton trailhead]
  • A. High Point trailhead
    High Point trailhead is a popular hiking access point on Washington’s Tiger Mountain, serving as a starting hub for numerous forested trails and viewpoints.
  • B. Sneath Lane trailhead
    Sneath Lane trailhead is a primary access point on the San Francisco Peninsula leading hikers up to the historic and scenic Sweeney Ridge area.
  • C. Howland Avenue trailhead
    Howland Avenue trailhead is a primary public entry point to the hiking trails and scenic overlooks of Mount Beacon in Beacon, New York.
  • D. Boott Spur Trail
    Boott Spur Trail is a steep hiking route on Mount Washington in New Hampshire’s White Mountains, known for its rugged ascent and expansive alpine views above treeline.
  • E. Kearsarge Pass trailhead
    Kearsarge Pass trailhead is a popular Eastern Sierra starting point for hikers and backpackers accessing high-alpine lakes, Kearsarge Pass, and the John Muir Wilderness.
  • 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: Needleton trailhead
Triple: [Chicago Basin, trailheadAccess, Needleton trailhead]
Generated description
Needleton trailhead is a remote access point along the Durango & Silverton Narrow Gauge Railroad in Colorado, serving hikers heading into the Chicago Basin area of the San Juan Mountains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Needleton trailhead
Target entity description: Needleton trailhead is a remote access point along the Durango & Silverton Narrow Gauge Railroad in Colorado, serving hikers heading into the Chicago Basin area of the San Juan Mountains.
  • A. High Point trailhead
    High Point trailhead is a popular hiking access point on Washington’s Tiger Mountain, serving as a starting hub for numerous forested trails and viewpoints.
  • B. Sneath Lane trailhead
    Sneath Lane trailhead is a primary access point on the San Francisco Peninsula leading hikers up to the historic and scenic Sweeney Ridge area.
  • C. Howland Avenue trailhead
    Howland Avenue trailhead is a primary public entry point to the hiking trails and scenic overlooks of Mount Beacon in Beacon, New York.
  • D. Boott Spur Trail
    Boott Spur Trail is a steep hiking route on Mount Washington in New Hampshire’s White Mountains, known for its rugged ascent and expansive alpine views above treeline.
  • E. Kearsarge Pass trailhead
    Kearsarge Pass trailhead is a popular Eastern Sierra starting point for hikers and backpackers accessing high-alpine lakes, Kearsarge Pass, and the John Muir Wilderness.
  • 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_69d6ab64de5881908d56eb7a75c6cc69 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d915fc451c819086a2a97967b82908 completed April 10, 2026, 3:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f6ab19288190a882c842d74a2e30 completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f600b7e1788190b1df4fdfd96118d0 completed May 2, 2026, 1:48 p.m.
NED2 Entity disambiguation (via description) batch_69f604c4ef7c8190bc128b1aa535744d completed May 2, 2026, 2:05 p.m.
Created at: April 8, 2026, 9:50 p.m.