Triple

T458784
Position Surface form Disambiguated ID Type / Status
Subject Peninsula Commute E7289 entity
Predicate operatedBefore P15039 FINISHED
Object Caltrain era 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: Caltrain era | Statement: [Peninsula Commute, operatedBefore, Caltrain era]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatedBefore
Context triple: [Peninsula Commute, operatedBefore, Caltrain era]
  • A. operatedFor
    Indicates that one entity performed operations or provided services on behalf of, or in support of, another entity for a certain period or purpose.
  • B. operatedAs
    Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
  • C. operatedDuring
    Indicates that an action, process, or system was functioning or in operation throughout a specified time period or event.
  • D. operatedAt
    Indicates that an operation, procedure, or activity was performed at a specific location or facility.
  • E. operatedFrom
    Indicates that an entity conducted its activities or operations starting from or based at a particular location or source.
  • F. None of above. chosen

Provenance (4 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_69a2e7e5c5bc8190a1dc8178218fba40 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2efa4a6208190a8243a0e14f84f52 completed Feb. 28, 2026, 1:37 p.m.
PD Predicate disambiguation batch_69a2ede75b6c81908350103d21f22a03 completed Feb. 28, 2026, 1:30 p.m.
PDg Predicate description generation batch_69a2ef257a548190a96bfa0cf6183976 completed Feb. 28, 2026, 1:35 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.