Triple
T12761400
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dumbarton Bridge (State Route 84) |
E305002
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Bay Area Toll Authority |
E176710
|
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: Bay Area Toll Authority | Statement: [Dumbarton Bridge (State Route 84), operatedBy, Bay Area Toll Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Area Toll Authority Context triple: [Dumbarton Bridge (State Route 84), operatedBy, Bay Area Toll Authority]
-
A.
Bay Area Toll Authority
chosen
The Bay Area Toll Authority is a regional agency responsible for overseeing toll collection and financing for the network of state-owned toll bridges in the San Francisco Bay Area.
-
B.
San Mateo County Transportation Authority
The San Mateo County Transportation Authority is a public agency responsible for planning, funding, and delivering transportation and congestion-relief projects within San Mateo County, California.
-
C.
San Francisco County Transportation Authority
The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
-
D.
Santa Clara Valley Transportation Authority
The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
-
E.
Transbay Joint Powers Authority
The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
- 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_69d7bdf1fcd081909ffb0e0d6fa3a07d |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96d8e44188190840cd23d380bf23d |
completed | April 10, 2026, 9:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f684f298f881908ad77f2d0ab588a8 |
completed | May 2, 2026, 11:12 p.m. |
Created at: April 9, 2026, 5:28 p.m.