Triple

T22004749
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific Railroad Martinez Subdivision E543421 entity
Predicate connectsTo P845 FINISHED
Object Union Pacific Railroad Oakland 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: Union Pacific Railroad Oakland Subdivision | Statement: [Union Pacific Railroad Martinez Subdivision, connectsTo, Union Pacific Railroad Oakland Subdivision]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Pacific Railroad Oakland Subdivision
Context triple: [Union Pacific Railroad Martinez Subdivision, connectsTo, Union Pacific Railroad Oakland Subdivision]
  • A. Union Pacific Railroad Oakland Subdivision chosen
    The Union Pacific Railroad Oakland Subdivision is a key freight and passenger rail corridor in Northern California that connects the East Bay with the Central Valley and is used by services such as the Altamont Corridor Express.
  • B. Union Pacific Railroad Sacramento Subdivision
    The Union Pacific Railroad Sacramento Subdivision is a key freight rail line in Northern California that carries Union Pacific traffic through the Sacramento area as part of its transcontinental network.
  • C. Union Pacific Railroad Martinez Subdivision
    The Union Pacific Railroad Martinez Subdivision is a key freight and passenger rail corridor in Northern California that runs along the eastern shore of the San Francisco Bay and through the Carquinez Strait area.
  • D. Union Pacific Railroad Coast Subdivision
    The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
  • E. Union Pacific Railroad Fresno Subdivision
    The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
  • 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_69e11e2db934819095556760c7d85e4d completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1276d81e4819083a40e51249e7fd7 completed April 28, 2026, 9:32 p.m.
Created at: April 16, 2026, 8:20 p.m.