Triple
T13413927
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | William Mulholland |
E313160
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object |
Los Angeles City Water Company
Los Angeles City Water Company was a private utility in Los Angeles that managed the city’s early water supply system before municipal control and the rise of the Los Angeles Department of Water and Power.
|
E1040168
|
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 City Water Company | Statement: [William Mulholland, employer, Los Angeles City Water Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Los Angeles City Water Company Context triple: [William Mulholland, employer, Los Angeles City Water Company]
-
A.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
-
B.
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.
-
C.
Sacramento Municipal Utility District
Sacramento Municipal Utility District is a community-owned electric utility serving the Sacramento, California region, known for providing power and managing energy resources for local residents and businesses.
-
D.
Los Angeles County Flood Control District
The Los Angeles County Flood Control District is a public agency responsible for regional flood protection, stormwater management, and water conservation infrastructure throughout Los Angeles County.
-
E.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
- 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 City Water Company Triple: [William Mulholland, employer, Los Angeles City Water Company]
Generated description
Los Angeles City Water Company was a private utility in Los Angeles that managed the city’s early water supply system before municipal control and the rise of the Los Angeles Department of Water and Power.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Los Angeles City Water Company Target entity description: Los Angeles City Water Company was a private utility in Los Angeles that managed the city’s early water supply system before municipal control and the rise of the Los Angeles Department of Water and Power.
-
A.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
-
B.
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.
-
C.
Sacramento Municipal Utility District
Sacramento Municipal Utility District is a community-owned electric utility serving the Sacramento, California region, known for providing power and managing energy resources for local residents and businesses.
-
D.
Los Angeles County Flood Control District
The Los Angeles County Flood Control District is a public agency responsible for regional flood protection, stormwater management, and water conservation infrastructure throughout Los Angeles County.
-
E.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
- 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_69d806ad0c44819088833ae1ec9e9690 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaeb556948190af008c88e5bbf051 |
completed | April 12, 2026, 2:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f73987cc088190839e8a589086639c |
completed | May 3, 2026, 12:03 p.m. |
| NEDg | Description generation | batch_69f73ab8da1c8190817895a1c8f1fe28 |
completed | May 3, 2026, 12:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f73b1d0a5081909a06a644766e30d2 |
completed | May 3, 2026, 12:10 p.m. |
Created at: April 9, 2026, 9:39 p.m.