Triple
T2933874
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Louis–Belleville metropolitan area (Illinois portion) |
E79217
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Bi-State Development Agency (Metro) transit system
The Bi-State Development Agency (Metro) transit system is the public transportation network for the St. Louis region, operating MetroLink light rail, MetroBus services, and paratransit across Missouri and Illinois communities.
|
E311596
|
NE FINISHED |
How this triple was built (4 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 (Metro) transit system | Statement: [St. Louis–Belleville metropolitan area (Illinois portion), servedBy, Bi-State Development Agency (Metro) transit system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bi-State Development Agency (Metro) transit system Context triple: [St. Louis–Belleville metropolitan area (Illinois portion), servedBy, Bi-State Development Agency (Metro) transit system]
-
A.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
B.
Rio Metro Regional Transit District
Rio Metro Regional Transit District is a public transportation agency in central New Mexico that oversees regional commuter rail and bus services, including the New Mexico Rail Runner Express.
-
C.
STC Metro
STC Metro is the rapid transit system serving Mexico City and some surrounding areas, known as one of the largest and busiest metro networks in Latin America.
-
D.
StarMetro public transit system
StarMetro public transit system is the city-operated bus and paratransit network serving residents, students, and visitors throughout Tallahassee, Florida.
-
E.
Bee-Line Bus System
The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
- 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 (Metro) transit system Triple: [St. Louis–Belleville metropolitan area (Illinois portion), servedBy, Bi-State Development Agency (Metro) transit system]
Generated description
The Bi-State Development Agency (Metro) transit system is the public transportation network for the St. Louis region, operating MetroLink light rail, MetroBus services, and paratransit across Missouri and Illinois communities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bi-State Development Agency (Metro) transit system Target entity description: The Bi-State Development Agency (Metro) transit system is the public transportation network for the St. Louis region, operating MetroLink light rail, MetroBus services, and paratransit across Missouri and Illinois communities.
-
A.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
B.
Rio Metro Regional Transit District
Rio Metro Regional Transit District is a public transportation agency in central New Mexico that oversees regional commuter rail and bus services, including the New Mexico Rail Runner Express.
-
C.
STC Metro
STC Metro is the rapid transit system serving Mexico City and some surrounding areas, known as one of the largest and busiest metro networks in Latin America.
-
D.
StarMetro public transit system
StarMetro public transit system is the city-operated bus and paratransit network serving residents, students, and visitors throughout Tallahassee, Florida.
-
E.
Bee-Line Bus System
The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
- 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_69ad8b0fbab081908f6a61567c045d8d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad983b65f881909b8b7d3dc5c224fd |
completed | March 8, 2026, 3:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b0867ba1b48190a54d00c32b075548 |
completed | March 10, 2026, 9 p.m. |
| NEDg | Description generation | batch_69b0dbda7ab881908b5a3e1e897fcb49 |
completed | March 11, 2026, 3:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0dc3ed9e08190ac6c6357f0084ba6 |
completed | March 11, 2026, 3:06 a.m. |
Created at: March 8, 2026, 2:56 p.m.