Triple

T2074372
Position Surface form Disambiguated ID Type / Status
Subject Peninsula Subdivision E44887 entity
Predicate hasRightOfWayUse P13660 FINISHED
Object Caltrain commuter rail E1530 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: Caltrain commuter rail | Statement: [Peninsula Subdivision, hasRightOfWayUse, Caltrain commuter rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Caltrain commuter rail
Context triple: [Peninsula Subdivision, hasRightOfWayUse, Caltrain commuter rail]
  • A. Caltrain chosen
    Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
  • B. Sonoma–Marin Area Rail Transit
    Sonoma–Marin Area Rail Transit is a commuter rail system in California’s North Bay that provides passenger service along the Highway 101 corridor in Sonoma and Marin counties.
  • C. Altamont Corridor Express
    Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
  • D. BART Antioch–SFO+Millbrae line
    The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
  • E. BART
    BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
  • 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: hasRightOfWayUse
Context triple: [Peninsula Subdivision, hasRightOfWayUse, Caltrain commuter rail]
  • A. hasRightOfWay
    Indicates that one entity is entitled to proceed or act before another in a shared space or interaction, without having to yield.
  • B. someRightOfWayUsedBy chosen
    Indicates that a particular right of way is utilized or traversed by a specified user, route, or transport entity.
  • C. ownerOfRightOfWay
    Indicates that one entity holds the legal right to pass through or use a specific path, route, or area on another entity’s property.
  • D. hasPedestrianPriority
    Indicates that pedestrians are given precedence or right-of-way over other road users in a particular context or area.
  • E. hasPrimaryVehicularAccessTo
    Indicates that one location or entity serves as the main route or means by which vehicles can reach or enter another location or entity.
  • F. None of above.

Provenance (4 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_69a88916c2b48190a5ca2e9b12cad3ed completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abba116ea0819086d16c3913159e9e completed March 7, 2026, 5:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae58c586808190a8595b6541bc5463 completed March 9, 2026, 5:21 a.m.
PD Predicate disambiguation batch_69abb7b0edac8190a58eabee55f73deb completed March 7, 2026, 5:29 a.m.
Created at: March 4, 2026, 7:41 p.m.