Triple
T5250144
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (MARTA) |
E118566
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Metropolitan Atlanta Rapid Transit Authority |
E14659
|
NE FINISHED |
How this triple was built (2 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: Metropolitan Atlanta Rapid Transit Authority | Statement: [Blue Line (MARTA), operator, Metropolitan Atlanta Rapid Transit Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Atlanta Rapid Transit Authority Context triple: [Blue Line (MARTA), operator, Metropolitan Atlanta Rapid Transit Authority]
-
A.
Metropolitan Atlanta Rapid Transit Authority (MARTA)
chosen
The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
-
B.
Jacksonville Transportation Authority
The Jacksonville Transportation Authority is the public agency that plans, operates, and maintains bus, rapid transit, and other transportation services in the Jacksonville, Florida metropolitan area.
-
C.
MARTA rail network
The MARTA rail network is the rapid transit system serving the Atlanta metropolitan area, consisting of multiple color-coded lines that connect key neighborhoods, suburbs, and major destinations such as downtown, the airport, and business districts.
-
D.
Gold Line (MARTA)
The Gold Line (MARTA) is one of Atlanta’s primary rapid transit rail lines, running north–south through key destinations including downtown and Hartsfield–Jackson Atlanta International Airport.
-
E.
Hillsborough Area Regional Transit Authority
Hillsborough Area Regional Transit Authority is the public transportation agency serving the Tampa, Florida area, operating local bus, rapid transit, and streetcar services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd4468aacc8190a8196f71855cdf4f |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd7b79ae0c81908a9b8614f6886259 |
completed | March 20, 2026, 4:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69befe6cd9ac81909a97ff26d061746a |
completed | March 21, 2026, 8:24 p.m. |
Created at: March 20, 2026, 1:50 p.m.