Triple

T3554011
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles River E75176 entity
Predicate hasTributary P415 FINISHED
Object Burbank Western Channel
Burbank Western Channel is a concrete-lined flood control channel in the San Fernando Valley region of Los Angeles that carries urban runoff and stormwater to the Los Angeles River.
E367082 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: Burbank Western Channel | Statement: [Los Angeles River, hasTributary, Burbank Western Channel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Burbank Western Channel
Context triple: [Los Angeles River, hasTributary, Burbank Western Channel]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Los Angeles Harbor
    Los Angeles Harbor is a major seaport in the San Pedro area of Los Angeles that serves as a key hub for international trade and maritime activity on the U.S. West Coast.
  • E. Malibu Canyon
    Malibu Canyon is a scenic gorge in Southern California known for its rugged landscapes, hiking trails, and proximity to the Pacific Coast near Malibu.
  • 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: Burbank Western Channel
Triple: [Los Angeles River, hasTributary, Burbank Western Channel]
Generated description
Burbank Western Channel is a concrete-lined flood control channel in the San Fernando Valley region of Los Angeles that carries urban runoff and stormwater to the Los Angeles River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Burbank Western Channel
Target entity description: Burbank Western Channel is a concrete-lined flood control channel in the San Fernando Valley region of Los Angeles that carries urban runoff and stormwater to the Los Angeles River.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Los Angeles Harbor
    Los Angeles Harbor is a major seaport in the San Pedro area of Los Angeles that serves as a key hub for international trade and maritime activity on the U.S. West Coast.
  • E. Malibu Canyon
    Malibu Canyon is a scenic gorge in Southern California known for its rugged landscapes, hiking trails, and proximity to the Pacific Coast near Malibu.
  • 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_69b38beef8b4819090109ab89e9671d6 completed March 13, 2026, 4 a.m.
NEDg Description generation batch_69b38c84fc788190a074f14a76bb7944 completed March 13, 2026, 4:03 a.m.
NED2 Entity disambiguation (via description) batch_69b38cb872948190a75bc6d6829187c5 completed March 13, 2026, 4:04 a.m.
Created at: March 8, 2026, 3:20 p.m.