Triple

T4047953
Position Surface form Disambiguated ID Type / Status
Subject Transbay Tube E84112 entity
Predicate wasClosedAfterEvent P49904 FINISHED
Object 1989 Loma Prieta earthquake E1415 NE FINISHED

How this triple was built (3 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: 1989 Loma Prieta earthquake | Statement: [Transbay Tube, wasClosedAfterEvent, 1989 Loma Prieta earthquake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1989 Loma Prieta earthquake
Context triple: [Transbay Tube, wasClosedAfterEvent, 1989 Loma Prieta earthquake]
  • A. 1989 Loma Prieta earthquake chosen
    The 1989 Loma Prieta earthquake was a powerful magnitude 6.9 quake in Northern California that caused widespread damage in the San Francisco Bay Area, including freeway collapses and the disruption of the World Series.
  • B. Loma Prieta
    Loma Prieta is a prominent peak in California’s Santa Cruz Mountains, best known for lending its name to the devastating 1989 Loma Prieta earthquake.
  • C. 1906 San Francisco earthquake
    The 1906 San Francisco earthquake was a devastating magnitude 7.8 seismic event that struck Northern California, causing widespread destruction and fires that nearly leveled San Francisco and became one of the worst natural disasters in U.S. history.
  • D. 1992 Cape Mendocino earthquakes
    The 1992 Cape Mendocino earthquakes were a sequence of powerful offshore quakes near Northern California that caused significant shaking, damage, and a small tsunami along the Pacific coast.
  • E. 1968 Borrego Mountain earthquake
    The 1968 Borrego Mountain earthquake was a powerful magnitude 6.5–6.8 temblor in Southern California that caused significant surface rupture and damage, and became an important case study in modern seismology and fault mechanics.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: wasClosedAfterEvent
Context triple: [Transbay Tube, wasClosedAfterEvent, 1989 Loma Prieta earthquake]
  • A. closedOrRelocatedAfterEvent chosen
    Indicates that an entity ceased operations or moved to a different location following a specified event.
  • B. closedBy
    Indicates that one entity performs the action of closing, finishing, or terminating another entity (such as a task, issue, or process).
  • C. closedDuring
    Indicates that an entity is not open or available for use during a specified time period or under certain conditions.
  • D. concludedAfter
    Indicates that one event or process finishes at a time later than the completion of another event or process.
  • E. concludedAtEvent
    Indicates that an entity’s participation, state, or validity ended as a result of a specific event.
  • F. None of above.

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_69aed930bd5c819083e7dcc14fc44f69 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefb81040481909b22e4c445ecae0f completed March 9, 2026, 4:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5565466648190802a9b8fd88c3572 completed March 14, 2026, 12:36 p.m.
PD Predicate disambiguation batch_69aef900386481909d04555a9ec9b0e3 completed March 9, 2026, 4:44 p.m.
Created at: March 9, 2026, 3:37 p.m.