Triple
T12761393
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dumbarton Bridge (State Route 84) |
E305002
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object | Caltrans District 4 |
E7291
|
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: Caltrans District 4 | Statement: [Dumbarton Bridge (State Route 84), maintainedBy, Caltrans District 4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caltrans District 4 Context triple: [Dumbarton Bridge (State Route 84), maintainedBy, Caltrans District 4]
-
A.
Caltrans
chosen
Caltrans is the California state agency responsible for planning, building, and maintaining the state’s highway and transportation systems.
-
B.
Riverside County Transportation Commission
Riverside County Transportation Commission is a regional agency in Southern California responsible for planning, funding, and coordinating transportation projects and services, including commuter rail, within Riverside County.
-
C.
Caltrans District 7 Headquarters
Caltrans District 7 Headquarters is a prominent contemporary government office building in downtown Los Angeles, noted for its bold, high-tech architectural design and sustainable features.
-
D.
Alameda Corridor Transportation Authority
The Alameda Corridor Transportation Authority is a public agency that developed and manages the Alameda Corridor freight rail expressway linking the Ports of Los Angeles and Long Beach to the national rail network.
-
E.
Los Angeles Department of Transportation
The Los Angeles Department of Transportation is the city agency responsible for managing and regulating transportation systems, traffic operations, and mobility services within Los Angeles.
- 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.