Triple
T3554010
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles River |
E75176
|
entity |
| Predicate | hasTributary |
P415
|
FINISHED |
| Object |
Verdugo Wash
Verdugo Wash is a concrete-lined flood control channel and seasonal stream in Los Angeles County that drains the Verdugo Mountains area before joining the Los Angeles River.
|
E367081
|
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: Verdugo Wash | Statement: [Los Angeles River, hasTributary, Verdugo Wash]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Verdugo Wash Context triple: [Los Angeles River, hasTributary, Verdugo Wash]
-
A.
Cucamonga Valley
Cucamonga Valley is a historic wine-producing region and urbanized valley in Southern California’s Inland Empire, situated at the base of the San Gabriel Mountains.
-
B.
Arroyo Seco
Arroyo Seco is a seasonal river and canyon in Los Angeles County, California, known for its historic role in regional water management, recreation, and as the route followed by the Arroyo Seco Parkway.
-
C.
La Cañada Flintridge
La Cañada Flintridge is a small, affluent suburban city in Los Angeles County, California, known for its excellent schools, residential character, and proximity to the Angeles National Forest.
-
D.
Malibu Canyon
Malibu Canyon is a scenic gorge in Southern California known for its rugged landscapes, hiking trails, and proximity to the Pacific Coast near Malibu.
-
E.
Puente Hills
Puente Hills is a low, rolling range of hills in Southern California known for its suburban communities, open-space preserves, and former large landfill site.
- 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: Verdugo Wash Triple: [Los Angeles River, hasTributary, Verdugo Wash]
Generated description
Verdugo Wash is a concrete-lined flood control channel and seasonal stream in Los Angeles County that drains the Verdugo Mountains area before joining the Los Angeles River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Verdugo Wash Target entity description: Verdugo Wash is a concrete-lined flood control channel and seasonal stream in Los Angeles County that drains the Verdugo Mountains area before joining the Los Angeles River.
-
A.
Cucamonga Valley
Cucamonga Valley is a historic wine-producing region and urbanized valley in Southern California’s Inland Empire, situated at the base of the San Gabriel Mountains.
-
B.
Arroyo Seco
Arroyo Seco is a seasonal river and canyon in Los Angeles County, California, known for its historic role in regional water management, recreation, and as the route followed by the Arroyo Seco Parkway.
-
C.
La Cañada Flintridge
La Cañada Flintridge is a small, affluent suburban city in Los Angeles County, California, known for its excellent schools, residential character, and proximity to the Angeles National Forest.
-
D.
Malibu Canyon
Malibu Canyon is a scenic gorge in Southern California known for its rugged landscapes, hiking trails, and proximity to the Pacific Coast near Malibu.
-
E.
Puente Hills
Puente Hills is a low, rolling range of hills in Southern California known for its suburban communities, open-space preserves, and former large landfill site.
- 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.