Triple

T16295507
Position Surface form Disambiguated ID Type / Status
Subject A Line (Los Angeles Metro) E395635 entity
Predicate formerDesignationPeriod P78284 FINISHED
Object 1990–2019 LITERAL 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: 1990–2019 | Statement: [A Line (Los Angeles Metro), formerDesignationPeriod, 1990–2019]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: formerDesignationPeriod
Context triple: [A Line (Los Angeles Metro), formerDesignationPeriod, 1990–2019]
  • A. formerDesignation
    Indicates that an entity previously held a particular title, role, or designation that it no longer holds.
  • B. formerNamePeriodStart
    Indicates the date or time point when an entity began using a former name that is being recorded.
  • C. formerNamePeriodEnd
    Indicates the point in time when an entity stopped using a former name.
  • D. officialNameDuringPeriod
    Indicates that an entity had a specific official name that was valid only during a particular time period.
  • E. previousNamePeriod chosen
    Indicates the time span during which an entity was known by a former name before changing to its current name.
  • F. None of above.

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_69d87f22c7248190a54c949738441e2e completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e25e2d08108190bab1b3325923af1d completed April 17, 2026, 4:22 p.m.
PD Predicate disambiguation batch_69e219fa5508819097e9d383348bf174 completed April 17, 2026, 11:31 a.m.
Created at: April 10, 2026, 5:06 a.m.