Triple

T4181093
Position Surface form Disambiguated ID Type / Status
Subject Metrolink at Union Station E88195 entity
Predicate connectsWith P37 FINISHED
Object Los Angeles Metro D Line E203637 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: Los Angeles Metro D Line | Statement: [Metrolink at Union Station, connectsWith, Los Angeles Metro D Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles Metro D Line
Context triple: [Metrolink at Union Station, connectsWith, Los Angeles Metro D Line]
  • A. D Line (Los Angeles Metro) chosen
    The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, connecting downtown Los Angeles with the city’s westside.
  • B. A Line (Los Angeles Metro)
    A Line (Los Angeles Metro) is a light rail line in Los Angeles County that runs north–south and east–west, linking downtown Los Angeles with surrounding communities such as Long Beach, Azusa, and East Los Angeles.
  • C. C Line (Los Angeles Metro)
    The C Line (Los Angeles Metro) is an east–west light rail route in Los Angeles County that primarily runs along the I-105 freeway corridor, linking coastal areas near Redondo Beach with inland transit hubs including connections to other Metro Rail lines.
  • D. E Line (Los Angeles Metro)
    The E Line (Los Angeles Metro) is a light rail line in Los Angeles County that runs east–west, linking downtown Los Angeles with Santa Monica and several major Westside and Expo Corridor destinations.
  • E. L Line (Los Angeles Metro)
    The L Line was a light rail route in the Los Angeles Metro Rail system that connected East Los Angeles and the San Gabriel Valley to downtown and northeast Los Angeles before being restructured into other lines.
  • 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_69aed9477e8c81908bcb862d2db55b1d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af0304702c8190899cbb0e3e41b987 completed March 9, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69be100f9e58819088fa92122cd57455 completed March 21, 2026, 3:27 a.m.
Created at: March 9, 2026, 3:45 p.m.