Triple
T15352365
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles River Viaducts |
E367084
|
entity |
| Predicate | include |
P1393
|
FINISHED |
| Object |
Fourth Street Viaduct
The Fourth Street Viaduct is a historic bridge in Los Angeles that carries Fourth Street over the Los Angeles River, forming part of the city’s iconic river viaduct system.
|
E1154580
|
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: Fourth Street Viaduct | Statement: [Los Angeles River Viaducts, include, Fourth Street Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fourth Street Viaduct Context triple: [Los Angeles River Viaducts, include, Fourth Street Viaduct]
-
A.
Alaskan Way Viaduct
The Alaskan Way Viaduct was an elevated highway along Seattle’s waterfront that carried a section of State Route 99 before being demolished due to seismic vulnerability and replaced by a tunnel.
-
B.
First Street Viaduct
The First Street Viaduct is a historic bridge in Los Angeles that carries First Street over the Los Angeles River, serving as a key link between downtown and Boyle Heights.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Fourth Street Viaduct Triple: [Los Angeles River Viaducts, include, Fourth Street Viaduct]
Generated description
The Fourth Street Viaduct is a historic bridge in Los Angeles that carries Fourth Street over the Los Angeles River, forming part of the city’s iconic river viaduct system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fourth Street Viaduct Target entity description: The Fourth Street Viaduct is a historic bridge in Los Angeles that carries Fourth Street over the Los Angeles River, forming part of the city’s iconic river viaduct system.
-
A.
Alaskan Way Viaduct
The Alaskan Way Viaduct was an elevated highway along Seattle’s waterfront that carried a section of State Route 99 before being demolished due to seismic vulnerability and replaced by a tunnel.
-
B.
First Street Viaduct
The First Street Viaduct is a historic bridge in Los Angeles that carries First Street over the Los Angeles River, serving as a key link between downtown and Boyle Heights.
-
C.
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.
-
D.
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.
-
E.
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.
- 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_69d85a1355608190a6673ddb67231d54 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03e290efc8190b22c95dcd3e5f57f |
completed | April 16, 2026, 1:40 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff1341033881909121ade33cecaf50 |
completed | May 9, 2026, 10:58 a.m. |
| NEDg | Description generation | batch_69ff141b025c8190ac5ac9400ff36133 |
completed | May 9, 2026, 11:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff1519100c819083ee0342bf25d89e |
completed | May 9, 2026, 11:06 a.m. |
Created at: April 10, 2026, 3:17 a.m.