Triple

T18339008
Position Surface form Disambiguated ID Type / Status
Subject Tujunga Wash E439349 entity
Predicate hasBridge P386 FINISHED
Object Laurel Canyon Boulevard bridge
Laurel Canyon Boulevard bridge is a roadway bridge in Los Angeles’ San Fernando Valley that carries Laurel Canyon Boulevard across the Tujunga Wash.
E1325104 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Laurel Canyon Boulevard bridge
Triple: [Tujunga Wash, hasBridge, Laurel Canyon Boulevard bridge]
Generated description
Laurel Canyon Boulevard bridge is a roadway bridge in Los Angeles’ San Fernando Valley that carries Laurel Canyon Boulevard across the Tujunga Wash.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a040fcdca188190abea6661ab8673ab completed May 13, 2026, 5:44 a.m.
NEDg Description generation batch_6a041252d17c81908d61ff0e2ba0dfaa completed May 13, 2026, 5:55 a.m.
NED2 Entity disambiguation (via description) batch_6a0412ee06a08190b8cbd84611d12fad completed May 13, 2026, 5:58 a.m.
Created at: April 10, 2026, 10:37 a.m.