Triple

T3835803
Position Surface form Disambiguated ID Type / Status
Subject Berryessa/North San José–Richmond line E91128 entity
Predicate connectsStation P845 FINISHED
Object 16th Street Mission station
16th Street Mission station is an underground Bay Area Rapid Transit (BART) station located in San Francisco’s Mission District, serving as a key stop for local commuters and neighborhood access.
 E396646 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: 16th Street Mission station | Statement: [Berryessa/North San José–Richmond line, connectsStation, 16th Street Mission station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 16th Street Mission station
Context triple: [Berryessa/North San José–Richmond line, connectsStation, 16th Street Mission station]
  • A. Castro Street station
    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. Montgomery Street station
    Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
  • C. Pioneer Courthouse Square station
    Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
  • D. 46th Street Station
    46th Street Station is a light rail stop in Minneapolis, Minnesota, serving passengers on the METRO Blue Line.
  • E. 36th Street station
    36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
  • 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: 16th Street Mission station
Triple: [Berryessa/North San José–Richmond line, connectsStation, 16th Street Mission station]
Generated description
16th Street Mission station is an underground Bay Area Rapid Transit (BART) station located in San Francisco’s Mission District, serving as a key stop for local commuters and neighborhood access.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 16th Street Mission station
Target entity description: 16th Street Mission station is an underground Bay Area Rapid Transit (BART) station located in San Francisco’s Mission District, serving as a key stop for local commuters and neighborhood access.
  • A. Castro Street station
    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. Montgomery Street station
    Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
  • C. Pioneer Courthouse Square station
    Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
  • D. 46th Street Station
    46th Street Station is a light rail stop in Minneapolis, Minnesota, serving passengers on the METRO Blue Line.
  • E. 36th Street station
    36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
  • 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_69aed960b538819096561c8ed448dec9 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeeb9a27508190b05e5312cc7c8033 completed March 9, 2026, 3:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b51c75ca9481908a41234f8ce0836d completed March 14, 2026, 8:29 a.m.
NEDg Description generation batch_69b51d61e89081909e1df16631274746 completed March 14, 2026, 8:33 a.m.
NED2 Entity disambiguation (via description) batch_69b51dcb5cb88190ad859cde9f10918a completed March 14, 2026, 8:35 a.m.
Created at: March 9, 2026, 3:18 p.m.