Triple
T18369577
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTC |
E446144
|
entity |
| Predicate | coordinatesHighways |
P3293
|
FINISHED |
| Object | San Francisco Bay Area highway network |
—
|
NE NERFINISHED |
How this triple was built (3 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 Francisco Bay Area highway network | Statement: [MTC, coordinatesHighways, San Francisco Bay Area highway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco Bay Area highway network Context triple: [MTC, coordinatesHighways, San Francisco Bay Area highway network]
-
A.
Bay Area freeway system
chosen
The Bay Area freeway system is an extensive network of interconnected highways and bridges that facilitates regional transportation throughout the San Francisco Bay Area.
-
B.
Bay Area Express Lanes
Bay Area Express Lanes are dynamically priced high-occupancy toll lanes in the San Francisco Bay Area designed to manage congestion and provide faster travel options for eligible vehicles.
-
C.
South San Francisco–East Bay route
The South San Francisco–East Bay route is a San Francisco Bay Ferry commuter and transit service connecting South San Francisco with cities on the East Bay shoreline across the San Francisco Bay.
-
D.
Caltrans District 1 roadway network
The Caltrans District 1 roadway network is the system of state-maintained highways and routes in far northwestern California, encompassing coastal and inland corridors such as the segment of State Route 1 within the district’s boundaries.
-
E.
San Francisco coastal transportation corridor
The San Francisco coastal transportation corridor is a scenic route along the city’s Pacific shoreline that links beaches, parks, and neighborhoods via roads, trails, and transit infrastructure.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: coordinatesHighways Context triple: [MTC, coordinatesHighways, San Francisco Bay Area highway network]
-
A.
positionOnHighway
Indicates that one entity’s location is specified relative to a particular highway, such as being on, along, or at a point on that highway.
-
B.
roadSystem
chosen
Indicates a relationship where multiple roads are organized and connected as part of a larger, integrated transportation network or infrastructure.
-
C.
rangeHighwayApprox
Indicates that one entity is approximately within the range or vicinity of a highway associated with another entity.
-
D.
motorwayServedBy
Indicates that a motorway is connected to or accessed by a particular service facility, route, or transport service.
-
E.
primaryHighwayComponent
Indicates that one entity serves as the main or principal highway component associated with another entity.
- F. None of above.
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_69d8b9f370b88190b1e5081c2c238e7f |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e51751e4288190873bcc4dc140ac16 |
completed | April 19, 2026, 5:56 p.m. |
| PD | Predicate disambiguation | batch_69e44fed3fdc81908f4ed6a81db42416 |
completed | April 19, 2026, 3:45 a.m. |
Created at: April 10, 2026, 10:43 a.m.