Triple

T6407661
Position Surface form Disambiguated ID Type / Status
Subject Interstate 880 E127625 entity
Predicate parallelTo P1868 FINISHED
Object Union Pacific Railroad Oakland Subdivision E423674 NE FINISHED

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: [Interstate 880, parallelTo, 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: [Interstate 880, parallelTo, 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 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.
  • C. 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.
  • D. 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.
  • E. Union Pacific Railroad Niles Subdivision
    The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c0083723d88190b1e37b19df162c08 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c068ccd804819097b106604372c14a completed March 22, 2026, 10:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69c640c141548190b76a21e873c9147d completed March 27, 2026, 8:33 a.m.
Created at: March 22, 2026, 4:41 p.m.