Triple

T3554008
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles River E75176 entity
Predicate hasTributary P415 FINISHED
Object Tujunga Wash
Tujunga Wash is a major flood control channel and seasonal stream in Los Angeles County that drains the San Gabriel Mountains into the Los Angeles River.
E439349 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: Tujunga Wash | Statement: [Los Angeles River, hasTributary, Tujunga Wash]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tujunga Wash
Context triple: [Los Angeles River, hasTributary, Tujunga Wash]
  • A. Tujunga
    Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles, California, known for its foothill setting near the San Gabriel Mountains.
  • B. Agua Fria River
    The Agua Fria River is a seasonal waterway in central Arizona that flows south through desert and riparian habitats before joining the Gila River near Phoenix.
  • C. Coyote Creek
    Coyote Creek is a major stream in Northern California that flows through Santa Clara County, including the city of San Jose, and serves as an important natural waterway and habitat corridor in the region.
  • D. Coyote Creek
    Coyote Creek is a themed western-style area within the Six Flags America amusement park featuring rides, attractions, and frontier-inspired decor.
  • E. Meadow Valley Wash
    Meadow Valley Wash is an intermittent stream and drainage system in southeastern Nevada that channels runoff through arid Lincoln County toward the Muddy River.
  • 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: Tujunga Wash
Triple: [Los Angeles River, hasTributary, Tujunga Wash]
Generated description
Tujunga Wash is a major flood control channel and seasonal stream in Los Angeles County that drains the San Gabriel Mountains into the Los Angeles River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tujunga Wash
Target entity description: Tujunga Wash is a major flood control channel and seasonal stream in Los Angeles County that drains the San Gabriel Mountains into the Los Angeles River.
  • A. Tujunga
    Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles, California, known for its foothill setting near the San Gabriel Mountains.
  • B. Agua Fria River
    The Agua Fria River is a seasonal waterway in central Arizona that flows south through desert and riparian habitats before joining the Gila River near Phoenix.
  • C. Coyote Creek
    Coyote Creek is a themed western-style area within the Six Flags America amusement park featuring rides, attractions, and frontier-inspired decor.
  • D. Coyote Creek
    Coyote Creek is a major stream in Northern California that flows through Santa Clara County, including the city of San Jose, and serves as an important natural waterway and habitat corridor in the region.
  • E. Meadow Valley Wash
    Meadow Valley Wash is an intermittent stream and drainage system in southeastern Nevada that channels runoff through arid Lincoln County toward the Muddy River.
  • 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_69b6131d07048190bbc735cf88d5ee60 completed March 15, 2026, 2:02 a.m.
NEDg Description generation batch_69b614371b2081909fabb88f2993dd29 completed March 15, 2026, 2:06 a.m.
NED2 Entity disambiguation (via description) batch_69b6155a57c08190bbf2e88f95cede16 completed March 15, 2026, 2:11 a.m.
Created at: March 8, 2026, 3:20 p.m.