Triple

T21208492
Position Surface form Disambiguated ID Type / Status
Subject Alameda Corridor Transportation Authority E522653 entity
Predicate manages P86 FINISHED
Object Alameda Corridor — 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: Alameda Corridor | Statement: [Alameda Corridor Transportation Authority, manages, Alameda Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alameda Corridor
Context triple: [Alameda Corridor Transportation Authority, manages, Alameda Corridor]
  • A. Alameda Corridor chosen
    The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
  • B. San Joaquin Hills Transportation Corridor
    The San Joaquin Hills Transportation Corridor is a toll road in Orange County, California, that provides a major north–south route through the San Joaquin Hills between inland communities and the coast.
  • C. Foothill Transportation Corridor
    The Foothill Transportation Corridor is a toll road system in Orange County, California, designed to provide an alternative north–south route along the foothills to relieve congestion on nearby freeways.
  • D. Altamont Corridor Express
    Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
  • E. Transbay Tube
    The Transbay Tube is an underwater rail tunnel beneath San Francisco Bay that carries BART trains between San Francisco and Oakland.
  • 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_69e0b5112d8881909510b2dcdc93106d completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e73436eb4c819082e05caf1ba52672 completed April 21, 2026, 8:24 a.m.
Created at: April 16, 2026, 3:25 p.m.