Triple

T3554025
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles River E75176 entity
Predicate crossedBy P416 FINISHED
Object Sixth Street Viaduct
The Sixth Street Viaduct is an iconic Los Angeles bridge known for spanning the downtown area and connecting the Arts District with Boyle Heights.
E369661 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: Sixth Street Viaduct | Statement: [Los Angeles River, crossedBy, Sixth Street Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sixth Street Viaduct
Context triple: [Los Angeles River, crossedBy, Sixth Street Viaduct]
  • 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. 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.
  • C. 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.
  • D. Spokane Street Viaduct
    The Spokane Street Viaduct is an elevated roadway in Seattle that connects Interstate 5 to the West Seattle Bridge, carrying traffic over the SoDo industrial district.
  • E. 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.
  • 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: Sixth Street Viaduct
Triple: [Los Angeles River, crossedBy, Sixth Street Viaduct]
Generated description
The Sixth Street Viaduct is an iconic Los Angeles bridge known for spanning the downtown area and connecting the Arts District with Boyle Heights.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sixth Street Viaduct
Target entity description: The Sixth Street Viaduct is an iconic Los Angeles bridge known for spanning the downtown area and connecting the Arts District with Boyle Heights.
  • 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. 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.
  • C. 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.
  • D. Spokane Street Viaduct
    The Spokane Street Viaduct is an elevated roadway in Seattle that connects Interstate 5 to the West Seattle Bridge, carrying traffic over the SoDo industrial district.
  • E. 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.
  • 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_69b3bb9218448190ae432ae74c0a6916 completed March 13, 2026, 7:24 a.m.
NEDg Description generation batch_69b3bcba5e90819082ae70ba5c1b8ceb completed March 13, 2026, 7:28 a.m.
NED2 Entity disambiguation (via description) batch_69b3f5a60fa08190acbb7257b515369a completed March 13, 2026, 11:31 a.m.
Created at: March 8, 2026, 3:20 p.m.