Triple

T12618898
Position Surface form Disambiguated ID Type / Status
Subject Chenega E301326 entity
Predicate eventAffectedBy P21288 FINISHED
Object 1989 Exxon Valdez oil spill E174539 NE FINISHED

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 1989 Exxon Valdez oil spill
Context triple: [Chenega, eventAffectedBy, 1989 Exxon Valdez oil spill]
  • A. Exxon Valdez oil spill chosen
    The Exxon Valdez oil spill was a catastrophic 1989 environmental disaster in Alaska’s Prince William Sound, where a supertanker ran aground and released millions of gallons of crude oil, causing massive ecological and economic damage.
  • B. 1969 Santa Barbara oil spill
    The 1969 Santa Barbara oil spill was a massive offshore drilling accident off the California coast that released millions of gallons of crude oil, devastating marine and coastal ecosystems and helping catalyze the modern U.S. environmental movement.
  • C. Exxon Valdez
    Exxon Valdez was a U.S. oil tanker infamous for causing one of the worst environmental disasters in history when it spilled millions of gallons of crude oil off the coast of Alaska in 1989.
  • D. Prestige oil spill
    The Prestige oil spill was a major environmental disaster in 2002, when the oil tanker Prestige sank off the coast of Galicia, Spain, releasing thousands of tons of fuel oil and severely polluting the surrounding marine and coastal ecosystems.
  • E. Deepwater Horizon oil spill
    The Deepwater Horizon oil spill was a massive 2010 offshore drilling disaster that released millions of barrels of oil into the Gulf of Mexico, causing one of the worst environmental catastrophes in U.S. history.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bdeaf49c8190b13800111fa77ea3 elicitation completed
NER batch_69d96411d87481909127e81755f23964 ner completed
NED1 batch_69f65ed507988190b9d46586f3c3584c ned_source_triple completed
Created at: April 9, 2026, 5:13 p.m.