Triple
T16194655
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Silicon Valley extension |
E393030
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | VTA light rail |
E21151
|
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: VTA light rail | Statement: [BART Silicon Valley extension, connectsWith, VTA light rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: VTA light rail Context triple: [BART Silicon Valley extension, connectsWith, VTA light rail]
-
A.
VTA light rail
chosen
VTA light rail is a light rail public transit system serving Santa Clara County, including cities such as San Jose, operated by the Santa Clara Valley Transportation Authority.
-
B.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
C.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
-
D.
San Diego Trolley
The San Diego Trolley is a light rail transit system serving the San Diego metropolitan area, known for its multiple color-coded lines connecting downtown with surrounding communities and key regional destinations.
-
E.
METRO Gold Line BRT
METRO Gold Line BRT is a planned bus rapid transit corridor in the Twin Cities metropolitan area designed to provide faster, higher-capacity transit service with dedicated lanes and enhanced stations.
- 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_69d87f1e49ac8190a311b54d32990576 |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e222d851188190b2452d165e4fc4bd |
completed | April 17, 2026, 12:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00078bbc388190b3fb793556ddd75a |
completed | May 10, 2026, 4:20 a.m. |
Created at: April 10, 2026, 5:02 a.m.