Triple

T12495561
Position Surface form Disambiguated ID Type / Status
Subject Shell Ridge Open Space E298674 entity
Predicate accessPoint P1985 FINISHED
Object Marshall Drive trailhead
Marshall Drive trailhead is a primary public entry point to the Shell Ridge Open Space trail network in Walnut Creek, California.
E987543 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: Marshall Drive trailhead | Statement: [Shell Ridge Open Space, accessPoint, Marshall Drive trailhead]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Marshall Drive trailhead
Context triple: [Shell Ridge Open Space, accessPoint, Marshall Drive trailhead]
  • A. Seager Road trailhead
    Seager Road trailhead is a hiking access point leading into the remote Big Indian Wilderness area of New York’s Catskill Mountains.
  • B. Los Liones Drive trailhead
    Los Liones Drive trailhead is a popular coastal access point in the Pacific Palisades area that leads hikers into Topanga State Park and up toward scenic overlooks of the Santa Monica Mountains and ocean.
  • 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. Chapel Road trailhead
    Chapel Road trailhead is the primary access point and parking area for hikers visiting Chapel Falls in the surrounding natural area.
  • E. 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.
  • 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: Marshall Drive trailhead
Triple: [Shell Ridge Open Space, accessPoint, Marshall Drive trailhead]
Generated description
Marshall Drive trailhead is a primary public entry point to the Shell Ridge Open Space trail network in Walnut Creek, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Marshall Drive trailhead
Target entity description: Marshall Drive trailhead is a primary public entry point to the Shell Ridge Open Space trail network in Walnut Creek, California.
  • A. Seager Road trailhead
    Seager Road trailhead is a hiking access point leading into the remote Big Indian Wilderness area of New York’s Catskill Mountains.
  • B. Los Liones Drive trailhead
    Los Liones Drive trailhead is a popular coastal access point in the Pacific Palisades area that leads hikers into Topanga State Park and up toward scenic overlooks of the Santa Monica Mountains and ocean.
  • 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. Chapel Road trailhead
    Chapel Road trailhead is the primary access point and parking area for hikers visiting Chapel Falls in the surrounding natural area.
  • E. 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.
  • 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_69d6ada4cd388190ae3bbf83ff87057a completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94df948308190ace333230a4a3b38 completed April 10, 2026, 7:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f64badad488190ae1c6c2883a88a4b completed May 2, 2026, 7:08 p.m.
NEDg Description generation batch_69f64f9c0e8c81908db3cad51daa77b6 completed May 2, 2026, 7:25 p.m.
NED2 Entity disambiguation (via description) batch_69f6504b033c8190a31f49f2e59c6810 completed May 2, 2026, 7:28 p.m.
Created at: April 8, 2026, 9:57 p.m.