Triple

T3554024
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles River E75176 entity
Predicate crossedBy P416 FINISHED
Object Los Angeles River Viaducts
The Los Angeles River Viaducts are a series of historic bridges and overpasses that span the Los Angeles River, many featuring iconic early-20th-century concrete and Art Deco designs.
E367084 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: Los Angeles River Viaducts | Statement: [Los Angeles River, crossedBy, Los Angeles River Viaducts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles River Viaducts
Context triple: [Los Angeles River, crossedBy, Los Angeles River Viaducts]
  • A. Riverside Drive Viaduct
    Riverside Drive Viaduct is an elevated steel and concrete roadway structure in Manhattan that carries Riverside Drive above the Amtrak rail lines and low-lying areas along the Hudson River.
  • B. Park Avenue Viaduct
    The Park Avenue Viaduct is an elevated roadway in Midtown Manhattan that carries traffic around Grand Central Terminal, connecting Park Avenue across 42nd Street.
  • C. Nimitz Freeway
    The Nimitz Freeway is a major segment of Interstate 880 running through the East Bay region of the San Francisco Bay Area, serving as a key north–south transportation corridor.
  • D. Elm Street viaduct
    Elm Street viaduct is a roadway bridge in downtown Dallas, Texas, that carries Elm Street over the railroad tracks and adjacent areas near Dealey Plaza.
  • E. Yerba Buena Tunnel
    Yerba Buena Tunnel is a vehicular tunnel in the San Francisco Bay that carries the San Francisco–Oakland Bay Bridge through Yerba Buena Island, connecting its eastern and western spans.
  • 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: Los Angeles River Viaducts
Triple: [Los Angeles River, crossedBy, Los Angeles River Viaducts]
Generated description
The Los Angeles River Viaducts are a series of historic bridges and overpasses that span the Los Angeles River, many featuring iconic early-20th-century concrete and Art Deco designs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Los Angeles River Viaducts
Target entity description: The Los Angeles River Viaducts are a series of historic bridges and overpasses that span the Los Angeles River, many featuring iconic early-20th-century concrete and Art Deco designs.
  • A. Riverside Drive Viaduct
    Riverside Drive Viaduct is an elevated steel and concrete roadway structure in Manhattan that carries Riverside Drive above the Amtrak rail lines and low-lying areas along the Hudson River.
  • B. Park Avenue Viaduct
    The Park Avenue Viaduct is an elevated roadway in Midtown Manhattan that carries traffic around Grand Central Terminal, connecting Park Avenue across 42nd Street.
  • C. Nimitz Freeway
    The Nimitz Freeway is a major segment of Interstate 880 running through the East Bay region of the San Francisco Bay Area, serving as a key north–south transportation corridor.
  • D. Elm Street viaduct
    Elm Street viaduct is a roadway bridge in downtown Dallas, Texas, that carries Elm Street over the railroad tracks and adjacent areas near Dealey Plaza.
  • E. Yerba Buena Tunnel
    Yerba Buena Tunnel is a vehicular tunnel in the San Francisco Bay that carries the San Francisco–Oakland Bay Bridge through Yerba Buena Island, connecting its eastern and western spans.
  • 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_69ad85d33c6c819081d5ac1df13b5680 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc05549d88190acdebdd542ea1a67 completed March 8, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38beef8b4819090109ab89e9671d6 completed March 13, 2026, 4 a.m.
NEDg Description generation batch_69b38c84fc788190a074f14a76bb7944 completed March 13, 2026, 4:03 a.m.
NED2 Entity disambiguation (via description) batch_69b38cb872948190a75bc6d6829187c5 completed March 13, 2026, 4:04 a.m.
Created at: March 8, 2026, 3:20 p.m.