Triple

T90049
Position Surface form Disambiguated ID Type / Status
Subject St. Louis, Missouri, United States E1809 entity
Predicate servedByTransitAgency P1288 FINISHED
Object Bi-State Development Agency
The Bi-State Development Agency is a regional public authority that operates and oversees public transportation services, including Metro Transit, in the Greater St. Louis metropolitan area.
E12474 NE FINISHED

How this triple was built (5 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: Bi-State Development Agency | Statement: [St. Louis, Missouri, United States, servedByTransitAgency, Bi-State Development Agency]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bi-State Development Agency
Context triple: [St. Louis, Missouri, United States, servedByTransitAgency, Bi-State Development Agency]
  • A. Peninsula Corridor Joint Powers Board
    The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
  • B. San Diego Association of Governments
    The San Diego Association of Governments is a regional planning and transportation agency that coordinates land use, transit, and infrastructure policy for the greater San Diego metropolitan area.
  • C. California Commission for Economic Development
    The California Commission for Economic Development is a state body that advises on and promotes policies to foster economic growth, business development, and job creation in California.
  • D. Union Station Redevelopment Corporation
    Union Station Redevelopment Corporation is a nonprofit organization responsible for managing, preserving, and overseeing the redevelopment of Washington, D.C.’s historic Union Station.
  • E. Economic Development Administration
    The Economic Development Administration is a U.S. federal agency that provides grants and technical assistance to support economic growth, job creation, and regional development in distressed communities.
  • 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: Bi-State Development Agency
Triple: [St. Louis, Missouri, United States, servedByTransitAgency, Bi-State Development Agency]
Generated description
The Bi-State Development Agency is a regional public authority that operates and oversees public transportation services, including Metro Transit, in the Greater St. Louis metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bi-State Development Agency
Target entity description: The Bi-State Development Agency is a regional public authority that operates and oversees public transportation services, including Metro Transit, in the Greater St. Louis metropolitan area.
  • A. Peninsula Corridor Joint Powers Board
    The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
  • B. San Diego Association of Governments
    The San Diego Association of Governments is a regional planning and transportation agency that coordinates land use, transit, and infrastructure policy for the greater San Diego metropolitan area.
  • C. California Commission for Economic Development
    The California Commission for Economic Development is a state body that advises on and promotes policies to foster economic growth, business development, and job creation in California.
  • D. Union Station Redevelopment Corporation
    Union Station Redevelopment Corporation is a nonprofit organization responsible for managing, preserving, and overseeing the redevelopment of Washington, D.C.’s historic Union Station.
  • E. Economic Development Administration
    The Economic Development Administration is a U.S. federal agency that provides grants and technical assistance to support economic growth, job creation, and regional development in distressed communities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedByTransitAgency
Context triple: [St. Louis, Missouri, United States, servedByTransitAgency, Bi-State Development Agency]
  • A. servedByRailroad
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • B. servedByService
    Indicates that something is provided, handled, or fulfilled by a particular service.
  • C. terminusCity
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • D. publicTransit chosen
    Indicates that one entity provides or is connected via shared, scheduled transportation services (such as buses, trains, or subways) that are available for use by the general public.
  • E. servedByLine
    Indicates that a transportation stop, station, or location is provided service by a specific transit line.
  • F. None of above.

Provenance (6 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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a24feef1b08190bb9525f71cce053e completed Feb. 28, 2026, 2:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69a284fd52f08190b264937658192e79 completed Feb. 28, 2026, 6:02 a.m.
NEDg Description generation batch_69a289412840819099a731a601d923e2 completed Feb. 28, 2026, 6:20 a.m.
NED2 Entity disambiguation (via description) batch_69a2900e6b908190b048ab21595172a5 completed Feb. 28, 2026, 6:49 a.m.
PD Predicate disambiguation batch_69a24eb82d408190b0f9c786152e8e4c completed Feb. 28, 2026, 2:11 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.