Triple

T7784040
Position Surface form Disambiguated ID Type / Status
Subject Colma BART station E187195 entity
Predicate followingStationOnRedLine P78989 FINISHED
Object South San Francisco BART station E698289 NE FINISHED

How this triple was built (3 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: South San Francisco BART station | Statement: [Colma BART station, followingStationOnRedLine, South San Francisco BART station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South San Francisco BART station
Context triple: [Colma BART station, followingStationOnRedLine, South San Francisco BART station]
  • A. South San Francisco BART station chosen
    South San Francisco BART station is a Bay Area Rapid Transit station in South San Francisco, California, serving the Peninsula corridor between San Francisco and San Mateo County.
  • B. San Bruno BART station
    San Bruno BART station is a Bay Area Rapid Transit station in San Bruno, California, serving as a regional rail link between the San Francisco Peninsula and the greater Bay Area.
  • C. Fremont station (BART)
    Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
  • D. Rockridge BART station
    Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
  • E. Emeryville station
    Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: followingStationOnRedLine
Context triple: [Colma BART station, followingStationOnRedLine, South San Francisco BART station]
  • A. followingStationOnBlueLine
    Indicates that one station is the next consecutive stop after another station on the Blue Line route.
  • B. followingStationOnYellowLine
    Indicates that one station is the next station in sequence after another on the Yellow Line.
  • C. followingStationOnRedLineTowardAshmont
    Indicates that one station is the next stop after another when traveling on the Red Line in the direction toward Ashmont.
  • D. adjacentStationOnRedLine
    Indicates that one station is directly next to another station along the Red Line, with no other stations in between.
  • E. precedingStationOnRedLineSouthbound
    Indicates that one station is immediately before another station when traveling southbound on the Red Line.
  • 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_69ca82af2d2c8190963861f5e0b8bf21 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cae7e779ec8190b77296d9c2ac3210 completed March 30, 2026, 9:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69cc55cd2fa88190955c3c1cebea0cca completed March 31, 2026, 11:16 p.m.
PD Predicate disambiguation batch_69caa488532c819093ac40bba0b3c7ef completed March 30, 2026, 4:27 p.m.
PDg Predicate description generation batch_69cae7e47c5c8190bca90d45b3cdc25e completed March 30, 2026, 9:15 p.m.
Created at: March 30, 2026, 4:22 p.m.