Triple

T1540418
Position Surface form Disambiguated ID Type / Status
Subject San Francisco–Oakland Bay Bridge E32851 entity
Predicate retrofitAfter P1691 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: [San Francisco–Oakland Bay Bridge, retrofitAfter, 1989 Loma Prieta earthquake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1989 Loma Prieta earthquake
Context triple: [San Francisco–Oakland Bay Bridge, retrofitAfter, 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. 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.
  • C. 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.
  • D. 1185 Lincoln earthquake
    The 1185 Lincoln earthquake was a significant medieval seismic event in England that caused extensive damage in the city of Lincoln and led to major reconstruction of Lincoln Cathedral.
  • E. Quakes
    Quakes is the commonly used nickname for the Major League Soccer club San Jose Earthquakes.
  • 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: retrofitAfter
Context triple: [San Francisco–Oakland Bay Bridge, retrofitAfter, 1989 Loma Prieta earthquake]
  • A. supportsAfterRequestHooks
    Indicates that an entity provides or allows the execution of hooks or callbacks after a request has been processed.
  • B. returnedWith
    Indicates that an entity came back or was brought back accompanied by, or in possession of, another specified entity.
  • C. controlledAfter
    Indicates that one entity gains or maintains control over another entity only after a specified time, event, or condition has occurred.
  • D. after chosen
    Indicates that one event, state, or action occurs later in time than another, following it in temporal order.
  • E. afterRelease
    Indicates that one event, action, or state occurs subsequent to the release of another entity or condition.
  • 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_69a885ed29088190a3c2d5a3d100c16e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa95c1a2948190a2b98469afec1a7d completed March 6, 2026, 8:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad30997d408190916f16d31bcc35b4 completed March 8, 2026, 8:17 a.m.
PD Predicate disambiguation batch_69a907b2453c8190a41f6b88c8217d1e completed March 5, 2026, 4:33 a.m.
Created at: March 4, 2026, 7:26 p.m.