Triple

T2315637
Position Surface form Disambiguated ID Type / Status
Subject Embarcadero waterfront E51055 entity
Predicate accessibleBy P1017 FINISHED
Object Muni Metro Embarcadero station
Muni Metro Embarcadero station is a major underground light rail and subway hub in downtown San Francisco that serves as a key transit gateway to the city’s Embarcadero waterfront and Financial District.
 E258621 NE FINISHED

How this triple was built (4 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: Muni Metro Embarcadero station | Statement: [Embarcadero waterfront, accessibleBy, Muni Metro Embarcadero station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Muni Metro Embarcadero station
Context triple: [Embarcadero waterfront, accessibleBy, Muni Metro Embarcadero station]
  • A. BART Embarcadero Station
    BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
  • B. San Francisco 3rd and Townsend Street station
    San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
  • C. Yerba Buena/Moscone station
    Yerba Buena/Moscone station is an underground San Francisco Muni Metro stop serving the SoMa area and the nearby Moscone Center convention complex.
  • D. San Francisco 4th and King Street station
    San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
  • E. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Muni Metro Embarcadero station
Triple: [Embarcadero waterfront, accessibleBy, Muni Metro Embarcadero station]
Generated description
Muni Metro Embarcadero station is a major underground light rail and subway hub in downtown San Francisco that serves as a key transit gateway to the city’s Embarcadero waterfront and Financial District.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Muni Metro Embarcadero station
Target entity description: Muni Metro Embarcadero station is a major underground light rail and subway hub in downtown San Francisco that serves as a key transit gateway to the city’s Embarcadero waterfront and Financial District.
  • A. BART Embarcadero Station
    BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
  • B. San Francisco 3rd and Townsend Street station
    San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
  • C. Yerba Buena/Moscone station
    Yerba Buena/Moscone station is an underground San Francisco Muni Metro stop serving the SoMa area and the nearby Moscone Center convention complex.
  • D. San Francisco 4th and King Street station
    San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
  • E. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • F. None of above. chosen

Provenance (5 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_69a88b074b908190ae983dbca7757d88 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc61e72508190b335cda2c7fef130 completed March 7, 2026, 6:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae9610b420819095afb76347ddf9ee completed March 9, 2026, 9:42 a.m.
NEDg Description generation batch_69ae97406c588190855ecb6c9ed00bc9 completed March 9, 2026, 9:47 a.m.
NED2 Entity disambiguation (via description) batch_69ae97c82e8c8190a613444ea4ffb5a0 completed March 9, 2026, 9:50 a.m.
Created at: March 4, 2026, 7:49 p.m.