Triple

T18719622
Position Surface form Disambiguated ID Type / Status
Subject Merced Amtrak Station E457733 entity
Predicate railLine P848 FINISHED
Object BNSF Railway Stockton Subdivision — NE NERFINISHED

How this triple was built (2 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: BNSF Railway Stockton Subdivision | Statement: [Merced Amtrak Station, railLine, BNSF Railway Stockton Subdivision]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BNSF Railway Stockton Subdivision
Context triple: [Merced Amtrak Station, railLine, BNSF Railway Stockton Subdivision]
  • A. BNSF Railway Stockton Subdivision chosen
    BNSF Railway Stockton Subdivision is a major freight rail line in California’s San Joaquin Valley that forms part of a key north–south transportation corridor for agricultural and industrial goods.
  • B. BNSF Railway Bakersfield Subdivision
    The BNSF Railway Bakersfield Subdivision is a major freight rail line in California’s San Joaquin Valley that forms a key segment of BNSF’s north–south corridor through the region.
  • C. BNSF Railway Monticello Subdivision
    The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
  • D. BNSF Scenic Subdivision
    The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
  • E. BNSF San Bernardino Subdivision
    The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8d393ba9c8190a8b03b04ddbb0a09 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e56ab90adc81909f3b4aabb6d5a707 completed April 19, 2026, 11:52 p.m.
Created at: April 10, 2026, 11:50 a.m.