Triple

T4385237
Position Surface form Disambiguated ID Type / Status
Subject UP Express E99224 entity
Predicate stationAtDowntown P26184 FINISHED
Object Union Station UP Express Terminal E57691 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: Union Station UP Express Terminal | Statement: [UP Express, stationAtDowntown, Union Station UP Express Terminal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Station UP Express Terminal
Context triple: [UP Express, stationAtDowntown, Union Station UP Express Terminal]
  • A. Union Depot station
    Union Depot station is a major multimodal transit hub in downtown Saint Paul, Minnesota, serving light rail, intercity trains, and buses.
  • B. UP Express at Union station chosen
    UP Express at Union station is the downtown terminus of Toronto’s dedicated airport rail link, connecting Union Station with Toronto Pearson International Airport.
  • C. Union station
    Union Station is Toronto’s primary intercity and commuter rail hub, serving as a central transit gateway in the city’s downtown core.
  • D. Expo/Bundy station
    Expo/Bundy station is an elevated light rail station in West Los Angeles serving the E Line of the Los Angeles Metro Rail system.
  • E. Meridian Union Station
    Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
  • 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: stationAtDowntown
Context triple: [UP Express, stationAtDowntown, Union Station UP Express Terminal]
  • A. isDowntownEndpointOf
    Indicates that a location serves as the downtown terminus or endpoint of a route, line, or path.
  • B. terminalStationSouth
    Indicates that a given station serves as the southern terminal (end point) of a particular route or line.
  • C. stationName
    Indicates the name assigned to a particular station in the relationship.
  • D. connectsDowntownTo chosen
    Indicates a relationship where one location, route, or service provides a direct connection or access to a downtown area.
  • E. isDowntownHub
    Indicates that a location functions as a central, primary hub within a city’s downtown area.
  • 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_69b3454f739481909ff6c28331f0c0b9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35264e44c81908dd0e0a81f1353bb completed March 12, 2026, 11:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5e526e35c8190838c59e402da3c89 completed March 14, 2026, 10:45 p.m.
PD Predicate disambiguation batch_69b34f572efc8190bad1e5078cbcb75a completed March 12, 2026, 11:42 p.m.
Created at: March 12, 2026, 11:19 p.m.