Triple

T3309829
Position Surface form Disambiguated ID Type / Status
Subject Castaic Dam E69543 entity
Predicate river P165 FINISHED
Object Castaic Creek
Castaic Creek is a stream in northern Los Angeles County, California, that flows through the Sierra Pelona Mountains and feeds into Castaic Lake before joining the Santa Clara River.
E383243 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: Castaic Creek | Statement: [Castaic Dam, river, Castaic Creek]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Castaic Creek
Context triple: [Castaic Dam, river, Castaic Creek]
  • A. Malibu Creek
    Malibu Creek is a scenic waterway in the Santa Monica Mountains of Southern California that flows through rugged canyons to the Pacific Ocean near Malibu.
  • B. Mariposa Creek
    Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
  • C. Lee Vining Creek
    Lee Vining Creek is a Sierra Nevada stream in California that flows east into Mono Lake, providing a key source of freshwater to the Mono Basin ecosystem.
  • D. Sespe Creek
    Sespe Creek is a major free-flowing stream in Southern California known for its scenic canyon, wildlife habitat, and role as a key tributary of the Santa Clara River.
  • E. Tecate Creek
    Tecate Creek is a small stream in the U.S.–Mexico border region that flows through Tecate, California, and into Baja California, Mexico.
  • 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: Castaic Creek
Triple: [Castaic Dam, river, Castaic Creek]
Generated description
Castaic Creek is a stream in northern Los Angeles County, California, that flows through the Sierra Pelona Mountains and feeds into Castaic Lake before joining the Santa Clara River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Castaic Creek
Target entity description: Castaic Creek is a stream in northern Los Angeles County, California, that flows through the Sierra Pelona Mountains and feeds into Castaic Lake before joining the Santa Clara River.
  • A. Malibu Creek
    Malibu Creek is a scenic waterway in the Santa Monica Mountains of Southern California that flows through rugged canyons to the Pacific Ocean near Malibu.
  • B. Mariposa Creek
    Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
  • C. Lee Vining Creek
    Lee Vining Creek is a Sierra Nevada stream in California that flows east into Mono Lake, providing a key source of freshwater to the Mono Basin ecosystem.
  • D. Sespe Creek
    Sespe Creek is a major free-flowing stream in Southern California known for its scenic canyon, wildlife habitat, and role as a key tributary of the Santa Clara River.
  • E. Tecate Creek
    Tecate Creek is a small stream in the U.S.–Mexico border region that flows through Tecate, California, and into Baja California, Mexico.
  • 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_69ad859f218081909458d2cebbf57565 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb0eb6dd08190bab1ce80f417966a completed March 8, 2026, 5:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4dae9a0cc8190acc56eaa4f2479ef completed March 14, 2026, 3:50 a.m.
NEDg Description generation batch_69b4db5f1c0881909a9696a727fac5d4 completed March 14, 2026, 3:51 a.m.
NED2 Entity disambiguation (via description) batch_69b4dc1f3cc48190b1b53bc88a0c3577 completed March 14, 2026, 3:55 a.m.
Created at: March 8, 2026, 3:11 p.m.