Triple

T11485953
Position Surface form Disambiguated ID Type / Status
Subject Ottumwa, Iowa E272276 entity
Predicate hasRiverCrossing P1970 FINISHED
Object Jefferson Street Viaduct
Jefferson Street Viaduct is a historic bridge in Ottumwa, Iowa, that carries Jefferson Street across the Des Moines River and nearby rail lines.
 E928728 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: Jefferson Street Viaduct | Statement: [Ottumwa, Iowa, hasRiverCrossing, Jefferson Street Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jefferson Street Viaduct
Context triple: [Ottumwa, Iowa, hasRiverCrossing, Jefferson Street Viaduct]
  • A. Jefferson Boulevard Viaduct
    Jefferson Boulevard Viaduct is a historic roadway bridge in Dallas, Texas, that carries traffic across the Trinity River and has long served as a key transportation link for the city.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Jefferson Street Viaduct
Triple: [Ottumwa, Iowa, hasRiverCrossing, Jefferson Street Viaduct]
Generated description
Jefferson Street Viaduct is a historic bridge in Ottumwa, Iowa, that carries Jefferson Street across the Des Moines River and nearby rail lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jefferson Street Viaduct
Target entity description: Jefferson Street Viaduct is a historic bridge in Ottumwa, Iowa, that carries Jefferson Street across the Des Moines River and nearby rail lines.
  • A. Jefferson Boulevard Viaduct
    Jefferson Boulevard Viaduct is a historic roadway bridge in Dallas, Texas, that carries traffic across the Trinity River and has long served as a key transportation link for the city.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d6aae1b09881909ce2ded3fa0c14fa completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d85a1fc9688190aacc2eed64229b79 completed April 10, 2026, 2:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69e60451a89081909f9534fee6cb809f completed April 20, 2026, 10:47 a.m.
NEDg Description generation batch_69e610a5ea0481908169c58dc0831b76 completed April 20, 2026, 11:40 a.m.
NED2 Entity disambiguation (via description) batch_69e6182b06f88190ab36d976ac989019 completed April 20, 2026, 12:12 p.m.
Created at: April 8, 2026, 9:36 p.m.