Triple

T17646816
Position Surface form Disambiguated ID Type / Status
Subject Metro Red Line extension to North Hollywood E429378 entity
Predicate enablesTransferTo P38153 FINISHED
Object Metro B Line services to Union Station — 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: Metro B Line services to Union Station | Statement: [Metro Red Line extension to North Hollywood, enablesTransferTo, Metro B Line services to Union Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro B Line services to Union Station
Context triple: [Metro Red Line extension to North Hollywood, enablesTransferTo, Metro B Line services to Union Station]
  • A. Metro B Line chosen
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • B. METRO B Line
    The METRO B Line is a planned bus rapid transit route in the Minneapolis–Saint Paul metropolitan area designed to provide faster, more frequent service along a key urban corridor.
  • C. Metro L Line (light rail and busway segments)
    The Metro L Line is a major Los Angeles Metro Rail corridor that combines light rail and busway segments to connect several key communities across Los Angeles County.
  • D. Metro L Line (Gold Line)
    The Metro L Line (Gold Line) is a light rail line in the Los Angeles Metro Rail system that connects communities across the San Gabriel Valley and northeastern Los Angeles to downtown and East Los Angeles.
  • E. Metro L Line (under construction or reconfiguration)
    The Metro L Line is a light rail line in Los Angeles County’s Metro Rail system that is currently being reconfigured as part of a broader network restructuring and expansion.
  • 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_69d889e2c2608190b762e76d9b2262f1 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e46e39937881909bb6a1792fff39a9 completed April 19, 2026, 5:55 a.m.
Created at: April 10, 2026, 6:04 a.m.