Triple
T18339008
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tujunga Wash |
E439349
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object | Laurel Canyon Boulevard bridge |
—
|
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: Laurel Canyon Boulevard bridge | Statement: [Tujunga Wash, hasBridge, Laurel Canyon Boulevard bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Laurel Canyon Boulevard bridge Context triple: [Tujunga Wash, hasBridge, Laurel Canyon Boulevard bridge]
-
A.
Sunrise Boulevard Bridge
Sunrise Boulevard Bridge is a roadway bridge in the Sacramento County area of California that carries Sunrise Boulevard across the American River, located not far from the historic Fair Oaks Bridge.
-
B.
Glendale–Hyperion Bridge
The Glendale–Hyperion Bridge is a historic multi-arch concrete viaduct in Los Angeles that carries traffic over the Los Angeles River, connecting the Atwater Village neighborhood with Silver Lake and Glendale.
-
C.
Ventura Freeway bridge
The Ventura Freeway bridge is a major highway overpass in Los Angeles that carries U.S. Route 101 across the Tujunga Wash.
-
D.
I Street Bridge
The I Street Bridge is a historic steel truss bridge spanning the Sacramento River, connecting the cities of Sacramento and West Sacramento in California.
-
E.
Fremont Bridge
The Fremont Bridge is a prominent tied-arch freeway bridge in Portland, Oregon, known for carrying Interstate 405 across the Willamette River and being one of the city's most recognizable landmarks.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Laurel Canyon Boulevard bridge Target entity description: Laurel Canyon Boulevard bridge is a roadway bridge in Los Angeles’ San Fernando Valley that carries Laurel Canyon Boulevard across the Tujunga Wash.
-
A.
Sunrise Boulevard Bridge
Sunrise Boulevard Bridge is a roadway bridge in the Sacramento County area of California that carries Sunrise Boulevard across the American River, located not far from the historic Fair Oaks Bridge.
-
B.
Glendale–Hyperion Bridge
The Glendale–Hyperion Bridge is a historic multi-arch concrete viaduct in Los Angeles that carries traffic over the Los Angeles River, connecting the Atwater Village neighborhood with Silver Lake and Glendale.
-
C.
Ventura Freeway bridge
The Ventura Freeway bridge is a major highway overpass in Los Angeles that carries U.S. Route 101 across the Tujunga Wash.
-
D.
I Street Bridge
The I Street Bridge is a historic steel truss bridge spanning the Sacramento River, connecting the cities of Sacramento and West Sacramento in California.
-
E.
Fremont Bridge
The Fremont Bridge is a prominent tied-arch freeway bridge in Portland, Oregon, known for carrying Interstate 405 across the Willamette River and being one of the city's most recognizable landmarks.
- F. None of above. chosen
Provenance (2 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_69d8b9175fec8190af865699b4e64d8c |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50ed07db48190a15e957c96b1c5bf |
completed | April 19, 2026, 5:20 p.m. |
Created at: April 10, 2026, 10:37 a.m.