Triple
T20050399
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (San Diego Trolley) |
E499181
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Mid-Coast Corridor |
—
|
NE NERFINISHED |
How this triple was built (3 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: Mid-Coast Corridor | Statement: [Blue Line (San Diego Trolley), regionServed, Mid-Coast Corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mid-Coast Corridor Context triple: [Blue Line (San Diego Trolley), regionServed, Mid-Coast Corridor]
-
A.
Southeast Corridor
The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
-
B.
I-95 Northeast Corridor
The I-95 Northeast Corridor is a heavily traveled stretch of Interstate 95 running through major cities in the northeastern United States, serving as a key artery for regional and long-distance traffic.
-
C.
South Corridor
The South Corridor is a transit route or line that includes Bland Street station as one of its stops.
-
D.
Atlantic coastal corridor
The Atlantic coastal corridor is a major north–south transportation and development belt along the eastern seaboard of the United States, linking many of its largest and oldest coastal cities.
-
E.
Princeton–New Brunswick corridor
The Princeton–New Brunswick corridor is a suburban region in central New Jersey characterized by residential communities, corporate campuses, and research institutions situated between the cities of Princeton and New Brunswick.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mid-Coast Corridor Target entity description: The Mid-Coast Corridor is a transit corridor in the San Diego area that includes the extended Blue Line light rail service connecting downtown to communities such as University City and La Jolla.
-
A.
Southeast Corridor
The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
-
B.
I-95 Northeast Corridor
The I-95 Northeast Corridor is a heavily traveled stretch of Interstate 95 running through major cities in the northeastern United States, serving as a key artery for regional and long-distance traffic.
-
C.
South Corridor
The South Corridor is a transit route or line that includes Bland Street station as one of its stops.
-
D.
Atlantic coastal corridor
The Atlantic coastal corridor is a major north–south transportation and development belt along the eastern seaboard of the United States, linking many of its largest and oldest coastal cities.
-
E.
Princeton–New Brunswick corridor
The Princeton–New Brunswick corridor is a suburban region in central New Jersey characterized by residential communities, corporate campuses, and research institutions situated between the cities of Princeton and New Brunswick.
- F. None of above. chosen
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_69da6276bcf48190aabbf279192a5fb4 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6632d9d888190b0985bb5ed989311 |
completed | April 20, 2026, 5:32 p.m. |
Created at: April 11, 2026, 3:37 p.m.