Triple
T20030146
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MARTA heavy rail cars |
E495099
|
entity |
| Predicate | operatesOn |
P23
|
FINISHED |
| Object | MARTA rail system |
—
|
NE NERFINISHED |
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: MARTA rail system | Statement: [MARTA heavy rail cars, operatesOn, MARTA rail system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MARTA rail system Context triple: [MARTA heavy rail cars, operatesOn, MARTA rail system]
-
A.
MARTA rail network
chosen
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.
-
B.
MARTA Streetcar
MARTA Streetcar is a modern streetcar transit service operating in Atlanta, Georgia, providing local rail connections through key downtown and nearby neighborhoods.
-
C.
MARTA
MARTA is the primary public transit system serving the Atlanta metropolitan area, operating buses and rapid transit rail lines across the region.
-
D.
MARTA Red Line
The MARTA Red Line is a major rapid transit route in Atlanta’s Metropolitan Atlanta Rapid Transit Authority system, running north–south and serving key neighborhoods and business districts.
-
E.
MARTA Green Line
The MARTA Green Line is one of the rapid transit routes in Atlanta’s MARTA rail system, serving key stations through the city’s west and east corridors.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69da626bfd288190aa5d65098b6433ae |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66291a00c8190b0b895909f32d623 |
completed | April 20, 2026, 5:29 p.m. |
Created at: April 11, 2026, 3:36 p.m.