Triple

T15268085
Position Surface form Disambiguated ID Type / Status
Subject BART at Montgomery Street station E364949 entity
Predicate isAlsoKnownAs P39 FINISHED
Object Montgomery St. station
Montgomery St. station is a major underground Bay Area Rapid Transit (BART) station located in San Francisco’s Financial District, serving as a key hub for commuters and connections to Muni Metro.
 E1148879 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: Montgomery St. station | Statement: [BART at Montgomery Street station, isAlsoKnownAs, Montgomery St. station]

Disambiguation candidates (2 decisions)

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: Montgomery St. station
Context triple: [BART at Montgomery Street station, isAlsoKnownAs, Montgomery St. station]
  • A. Dixie Transitway Station
    Dixie Transitway Station is a bus rapid transit station in Mississauga, Ontario, serving MiWay routes along the Mississauga Transitway corridor.
  • B. Talmadge Hill station
    Talmadge Hill station is a small commuter rail stop in New Canaan, Connecticut, served by Metro-North Railroad trains on the New Canaan Branch.
  • C. Ravenswood station
    Ravenswood station is a commuter rail stop in Chicago, Illinois, served by Metra’s Union Pacific North Line and connecting the Ravenswood neighborhood to downtown and northern suburbs.
  • D. Belt Line Station
    Belt Line Station is a light rail stop in Irving, Texas, serving Dallas Area Rapid Transit’s Orange Line near Dallas/Fort Worth International Airport.
  • E. Germantown station
    Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Montgomery St. station
Target entity description: Montgomery St. station is a major underground Bay Area Rapid Transit (BART) station located in San Francisco’s Financial District, serving as a key hub for commuters and connections to Muni Metro.
  • A. Dixie Transitway Station
    Dixie Transitway Station is a bus rapid transit station in Mississauga, Ontario, serving MiWay routes along the Mississauga Transitway corridor.
  • B. Talmadge Hill station
    Talmadge Hill station is a small commuter rail stop in New Canaan, Connecticut, served by Metro-North Railroad trains on the New Canaan Branch.
  • C. Ravenswood station
    Ravenswood station is a commuter rail stop in Chicago, Illinois, served by Metra’s Union Pacific North Line and connecting the Ravenswood neighborhood to downtown and northern suburbs.
  • D. Belt Line Station
    Belt Line Station is a light rail stop in Irving, Texas, serving Dallas Area Rapid Transit’s Orange Line near Dallas/Fort Worth International Airport.
  • E. Germantown station
    Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Montgomery St. station
Triple: [BART at Montgomery Street station, isAlsoKnownAs, Montgomery St. station]
Generated description
Montgomery St. station is a major underground Bay Area Rapid Transit (BART) station located in San Francisco’s Financial District, serving as a key hub for commuters and connections to Muni Metro.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d85a0f08408190b3c3259ae35d79d2 elicitation completed
NER batch_69e0094ca9ac8190a1f97a7b74c96cd5 ner completed
NED1 batch_69feef6fc290819096ef03f8ecae8876 ned_source_triple completed
NED2 batch_69fef435b1208190bd839297a2f8d3f4 ned_description completed
NEDg batch_69fef38868548190877cf25a38bb805a nedg completed
Created at: April 10, 2026, 3:14 a.m.