Triple
T8846218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | L Line (Los Angeles Metro) |
E210510
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | San Gabriel Valley corridor |
E95395
|
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: San Gabriel Valley corridor | Statement: [L Line (Los Angeles Metro), regionServed, San Gabriel Valley corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Gabriel Valley corridor Context triple: [L Line (Los Angeles Metro), regionServed, San Gabriel Valley corridor]
-
A.
Norwalk–Redondo Beach corridor
The Norwalk–Redondo Beach corridor is a major east–west transit corridor in Los Angeles County served by the Metro C Line, linking inland Norwalk with the coastal city of Redondo Beach.
-
B.
Arroyo Seco Parkway
Arroyo Seco Parkway is a historic early freeway in Southern California, recognized as one of the first modern highways in the United States and a key connector between Los Angeles and Pasadena.
-
C.
San Benito Valley
San Benito Valley is an agricultural region in central California known for its fertile farmland, ranching, and small-town communities.
-
D.
Verdugo Wash
Verdugo Wash is a concrete-lined flood control channel and seasonal stream in Los Angeles County that drains the Verdugo Mountains area before joining the Los Angeles River.
-
E.
San Gabriel Valley
chosen
San Gabriel Valley is a populous region east of Los Angeles known for its diverse suburban communities, large Asian American population, and numerous historic and cultural landmarks.
- 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_69ca838967bc8190b46c3c80a2887ea4 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc60a7c518819095399976148e1b9a |
completed | April 1, 2026, 12:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfa07ad12c81908de0502706ad4019 |
completed | April 3, 2026, 11:11 a.m. |
Created at: March 30, 2026, 6:48 p.m.