Triple
T16080072
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Foothill Extension corridor |
E390084
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | Foothill Extension |
E390084
|
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: Foothill Extension | Statement: [Foothill Extension corridor, alsoKnownAs, Foothill Extension]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Foothill Extension Context triple: [Foothill Extension corridor, alsoKnownAs, Foothill Extension]
-
A.
Foothill Extension corridor
chosen
The Foothill Extension corridor is a segment of Los Angeles County’s light rail network that extends service eastward through the San Gabriel Valley, connecting additional suburban communities to the regional Metro Rail system.
-
B.
Eastside Extension corridor
The Eastside Extension corridor is a light rail transit corridor in East Los Angeles that carries Metro Rail service between downtown Los Angeles and several predominantly Latino eastside communities.
-
C.
Foothill Transportation Corridor
The Foothill Transportation Corridor is a toll road system in Orange County, California, designed to provide an alternative north–south route along the foothills to relieve congestion on nearby freeways.
-
D.
Alameda Corridor
The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
-
E.
San Joaquin Hills Transportation Corridor
The San Joaquin Hills Transportation Corridor is a toll road in Orange County, California, that provides a major north–south route through the San Joaquin Hills between inland communities and the coast.
- 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_69d86daf32ec8190a8c0466c8f49c3c0 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e18448bebc8190b0e84b1da097bf8b |
completed | April 17, 2026, 12:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffe48adec081909623355eabee472c |
completed | May 10, 2026, 1:51 a.m. |
Created at: April 10, 2026, 4:57 a.m.