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.