Triple
T3554011
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles River |
E75176
|
entity |
| Predicate | hasTributary |
P415
|
FINISHED |
| Object |
Burbank Western Channel
Burbank Western Channel is a concrete-lined flood control channel in the San Fernando Valley region of Los Angeles that carries urban runoff and stormwater to the Los Angeles River.
|
E367082
|
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: Burbank Western Channel | Statement: [Los Angeles River, hasTributary, Burbank Western Channel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Burbank Western Channel Context triple: [Los Angeles River, hasTributary, Burbank Western Channel]
-
A.
Cal-Sag Channel
The Cal-Sag Channel is a man-made waterway in the Chicago metropolitan area that diverts and carries water and barge traffic between the Calumet River system and the Chicago Sanitary and Ship Canal.
-
B.
Los Angeles River
The Los Angeles River is a largely channelized urban waterway running through Los Angeles County that has played a central role in the region’s history, development, and ongoing revitalization efforts.
-
C.
Santa Barbara Channel
The Santa Barbara Channel is a narrow stretch of the Pacific Ocean off the coast of Southern California, known for its rich marine biodiversity, offshore oil platforms, and separation of the mainland from the northern Channel Islands.
-
D.
Los Angeles Harbor
Los Angeles Harbor is a major seaport in the San Pedro area of Los Angeles that serves as a key hub for international trade and maritime activity on the U.S. West Coast.
-
E.
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.
- 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: Burbank Western Channel Triple: [Los Angeles River, hasTributary, Burbank Western Channel]
Generated description
Burbank Western Channel is a concrete-lined flood control channel in the San Fernando Valley region of Los Angeles that carries urban runoff and stormwater to the Los Angeles River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Burbank Western Channel Target entity description: Burbank Western Channel is a concrete-lined flood control channel in the San Fernando Valley region of Los Angeles that carries urban runoff and stormwater to the Los Angeles River.
-
A.
Cal-Sag Channel
The Cal-Sag Channel is a man-made waterway in the Chicago metropolitan area that diverts and carries water and barge traffic between the Calumet River system and the Chicago Sanitary and Ship Canal.
-
B.
Los Angeles River
The Los Angeles River is a largely channelized urban waterway running through Los Angeles County that has played a central role in the region’s history, development, and ongoing revitalization efforts.
-
C.
Santa Barbara Channel
The Santa Barbara Channel is a narrow stretch of the Pacific Ocean off the coast of Southern California, known for its rich marine biodiversity, offshore oil platforms, and separation of the mainland from the northern Channel Islands.
-
D.
Los Angeles Harbor
Los Angeles Harbor is a major seaport in the San Pedro area of Los Angeles that serves as a key hub for international trade and maritime activity on the U.S. West Coast.
-
E.
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.
- 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.