Triple

T8365569
Position Surface form Disambiguated ID Type / Status
Subject Eureka Valley E197116 entity
Predicate transportServedBy P1298 FINISHED
Object Castro Street Station E371884 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Castro Street Station | Statement: [Eureka Valley, transportServedBy, Castro Street Station]

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: Castro Street Station
Context triple: [Eureka Valley, transportServedBy, Castro Street Station]
  • A. Castro Street station chosen
    Castro Street station is an underground Muni Metro light rail stop in San Francisco’s Castro District, serving as a key transit point along Market Street.
  • B. Castro Muni Metro Station
    Castro Muni Metro Station is an underground light-rail station on San Francisco’s Muni Metro system that serves as a key transit hub for the historic and LGBTQ+ landmark Castro District.
  • C. Acevedo station
    Acevedo station is a major elevated terminal and transfer station on the Medellín Metro system in Medellín, Colombia.
  • D. Escudero Station
    Escudero Station is a Chilean Antarctic research base located on King George Island that supports scientific studies and logistical operations in the region.
  • E. Uptown Station
    Uptown Station is a major intermodal transportation hub in Normal, Illinois, serving Amtrak rail passengers, local and regional buses, and providing civic and commercial space.
  • 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_69ca82f2dbe48190aba982e75a0d94de elicitation completed
NER batch_69cb808bc22481909ce2f8b48cc95806 ner completed
NED1 batch_69cdc78497cc8190a88bb5934f31e1f7 ned_source_triple completed
Created at: March 30, 2026, 6 p.m.