Triple
T12969827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Colorado River Basin |
E321362
|
entity |
| Predicate | containsCity |
P294
|
FINISHED |
| Object |
Los Angeles (served via imported Colorado River water)
Los Angeles is a major Southern California metropolis whose vast population and economy rely heavily on imported water from the distant Colorado River.
|
E1012928
|
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: Los Angeles (served via imported Colorado River water) | Statement: [Colorado River Basin, containsCity, Los Angeles (served via imported Colorado River water)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Los Angeles (served via imported Colorado River water) Context triple: [Colorado River Basin, containsCity, Los Angeles (served via imported Colorado River water)]
-
A.
Tujunga, Los Angeles
Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles known for its suburban character, foothill setting, and proximity to the Verdugo and San Gabriel Mountains.
-
B.
Greater Los Angeles hydrologic system
The Greater Los Angeles hydrologic system is the interconnected network of rivers, arroyos, watersheds, and engineered water infrastructure that manages surface and groundwater flow across the Los Angeles metropolitan region.
-
C.
Riverside, California
Riverside, California is a major city in Southern California’s Inland Empire region, known as the birthplace of the state’s citrus industry and home to a campus of the University of California system.
-
D.
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.
-
E.
Metropolitan Water District of Southern California
The Metropolitan Water District of Southern California is a regional wholesale water agency that imports, manages, and distributes water supplies to numerous cities and local water districts across Southern California.
- 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: Los Angeles (served via imported Colorado River water) Triple: [Colorado River Basin, containsCity, Los Angeles (served via imported Colorado River water)]
Generated description
Los Angeles is a major Southern California metropolis whose vast population and economy rely heavily on imported water from the distant Colorado River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Los Angeles (served via imported Colorado River water) Target entity description: Los Angeles is a major Southern California metropolis whose vast population and economy rely heavily on imported water from the distant Colorado River.
-
A.
Tujunga, Los Angeles
Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles known for its suburban character, foothill setting, and proximity to the Verdugo and San Gabriel Mountains.
-
B.
Greater Los Angeles hydrologic system
The Greater Los Angeles hydrologic system is the interconnected network of rivers, arroyos, watersheds, and engineered water infrastructure that manages surface and groundwater flow across the Los Angeles metropolitan region.
-
C.
Riverside, California
Riverside, California is a major city in Southern California’s Inland Empire region, known as the birthplace of the state’s citrus industry and home to a campus of the University of California system.
-
D.
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.
-
E.
Metropolitan Water District of Southern California
The Metropolitan Water District of Southern California is a regional wholesale water agency that imports, manages, and distributes water supplies to numerous cities and local water districts across Southern California.
- 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_69d80763bd6c819094437da5b20b01d2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97e407e5081909424fc0c22483c28 |
completed | April 10, 2026, 10:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6b8e6b31c8190b09276003f284f25 |
completed | May 3, 2026, 2:54 a.m. |
| NEDg | Description generation | batch_69f6b9db8164819086a3a27692d681d5 |
completed | May 3, 2026, 2:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6bb2602848190b9588134c71d0ef4 |
completed | May 3, 2026, 3:04 a.m. |
Created at: April 9, 2026, 8:34 p.m.