Triple
T2420202
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles Basin |
E53399
|
entity |
| Predicate | drainedBy |
P165
|
FINISHED |
| Object |
Dominguez Channel
Dominguez Channel is an urban flood-control waterway in southern Los Angeles County that carries runoff from the Los Angeles Basin to the Pacific Ocean near the Port of Los Angeles.
|
E266623
|
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: Dominguez Channel | Statement: [Los Angeles Basin, drainedBy, Dominguez Channel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dominguez Channel Context triple: [Los Angeles Basin, drainedBy, Dominguez Channel]
-
A.
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.
-
B.
Garrison Channel
Garrison Channel is a waterway in downtown Tampa, Florida, that separates the city’s central business district from Harbour Island and serves as a key part of the Tampa waterfront.
-
C.
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.
-
D.
San Juanico Strait
San Juanico Strait is a narrow, picturesque waterway in the central Philippines known for separating the islands of Samar and Leyte and for the iconic San Juanico Bridge that spans it.
-
E.
San Bernardino Strait
San Bernardino Strait is a vital waterway in the central Philippines that separates the islands of Luzon and Samar and links the Philippine Sea with the inland seas of the archipelago.
- 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: Dominguez Channel Triple: [Los Angeles Basin, drainedBy, Dominguez Channel]
Generated description
Dominguez Channel is an urban flood-control waterway in southern Los Angeles County that carries runoff from the Los Angeles Basin to the Pacific Ocean near the Port of Los Angeles.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dominguez Channel Target entity description: Dominguez Channel is an urban flood-control waterway in southern Los Angeles County that carries runoff from the Los Angeles Basin to the Pacific Ocean near the Port of Los Angeles.
-
A.
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.
-
B.
Garrison Channel
Garrison Channel is a waterway in downtown Tampa, Florida, that separates the city’s central business district from Harbour Island and serves as a key part of the Tampa waterfront.
-
C.
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.
-
D.
San Juanico Strait
San Juanico Strait is a narrow, picturesque waterway in the central Philippines known for separating the islands of Samar and Leyte and for the iconic San Juanico Bridge that spans it.
-
E.
San Bernardino Strait
San Bernardino Strait is a vital waterway in the central Philippines that separates the islands of Luzon and Samar and links the Philippine Sea with the inland seas of the archipelago.
- 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_69ab495c44d48190b7235b23719bc3f6 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc96f97e08190978b2d873ab88859 |
completed | March 7, 2026, 6:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aebf57b0708190bf4d38c51e02309f |
completed | March 9, 2026, 12:38 p.m. |
| NEDg | Description generation | batch_69aec495e4e88190a1b9929161aba193 |
completed | March 9, 2026, 1:01 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69aec570ec88819089a2afc42aec1088 |
completed | March 9, 2026, 1:04 p.m. |
Created at: March 6, 2026, 9:42 p.m.