Triple

T297981
Position Surface form Disambiguated ID Type / Status
Subject Powell–Hyde line E6134 entity
Predicate terminus P388 FINISHED
Object Powell Street terminal
Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
E39998 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: Powell Street terminal | Statement: [Powell–Hyde line, terminus, Powell Street terminal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Powell Street terminal
Context triple: [Powell–Hyde line, terminus, Powell Street terminal]
  • A. Portland Union Station
    Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
  • B. Beaverton Transit Center
    Beaverton Transit Center is a major public transportation hub in Beaverton, Oregon, serving as an interchange point for light rail and multiple bus lines in the Portland metropolitan area.
  • C. St. George Terminal
    St. George Terminal is the main Staten Island Ferry hub in St. George, Staten Island, connecting the borough to Lower Manhattan and serving as a key transit and commercial center.
  • 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. Rose Quarter Transit Center
    Rose Quarter Transit Center is a major public transit hub in Portland, Oregon, serving multiple MAX light rail lines and bus routes near the city’s Rose Quarter sports and entertainment district.
  • 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: Powell Street terminal
Triple: [Powell–Hyde line, terminus, Powell Street terminal]
Generated description
Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Powell Street terminal
Target entity description: Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
  • A. Portland Union Station
    Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
  • B. Beaverton Transit Center
    Beaverton Transit Center is a major public transportation hub in Beaverton, Oregon, serving as an interchange point for light rail and multiple bus lines in the Portland metropolitan area.
  • C. St. George Terminal
    St. George Terminal is the main Staten Island Ferry hub in St. George, Staten Island, connecting the borough to Lower Manhattan and serving as a key transit and commercial center.
  • 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. Rose Quarter Transit Center
    Rose Quarter Transit Center is a major public transit hub in Portland, Oregon, serving multiple MAX light rail lines and bus routes near the city’s Rose Quarter sports and entertainment district.
  • 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_69a2e79114b081909490b3bf5a5dbb51 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2e9e3acc08190a35746f2de7e30f0 completed Feb. 28, 2026, 1:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3bc215b5481909963d13a5f8eb707 completed March 1, 2026, 4:10 a.m.
NEDg Description generation batch_69a3bca6cffc8190b004c8c3a47b0622 completed March 1, 2026, 4:12 a.m.
NED2 Entity disambiguation (via description) batch_69a3bcf4ac108190a7d07c67e0c4dfc7 completed March 1, 2026, 4:13 a.m.
Created at: Feb. 28, 2026, 1:06 p.m.