Triple

T15577786
Position Surface form Disambiguated ID Type / Status
Subject Sepulveda Basin E374412 entity
Predicate hasPart P35 FINISHED
Object Lake Balboa Park
Lake Balboa Park is a large recreational park in the San Fernando Valley area of Los Angeles, known for its lake, cherry blossom trees, and extensive picnic and sports facilities.
E1165812 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: Lake Balboa Park | Statement: [Sepulveda Basin, hasPart, Lake Balboa Park]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lake Balboa Park
Context triple: [Sepulveda Basin, hasPart, Lake Balboa Park]
  • A. Malibu Lagoon
    Malibu Lagoon is a coastal wetland and estuary in Malibu, California, known for its rich birdlife, surf breaks, and protected natural habitat within Malibu Lagoon State Beach.
  • B. Spreckels Lake
    Spreckels Lake is a man-made model yacht and boating lake located within San Francisco’s Golden Gate Park.
  • C. MacArthur Park Lake
    MacArthur Park Lake is an urban lake in Los Angeles known for its surrounding historic park, cultural significance, and views of the downtown skyline.
  • D. Malibu Lake
    Malibu Lake is a small reservoir and recreation area in the Santa Monica Mountains of Southern California, popular for hiking, fishing, and scenic views.
  • E. Reseda Park Lake
    Reseda Park Lake is a small urban lake in Reseda, Los Angeles, known for recreation, fishing, and wildlife viewing within Reseda Park.
  • 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: Lake Balboa Park
Triple: [Sepulveda Basin, hasPart, Lake Balboa Park]
Generated description
Lake Balboa Park is a large recreational park in the San Fernando Valley area of Los Angeles, known for its lake, cherry blossom trees, and extensive picnic and sports facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lake Balboa Park
Target entity description: Lake Balboa Park is a large recreational park in the San Fernando Valley area of Los Angeles, known for its lake, cherry blossom trees, and extensive picnic and sports facilities.
  • A. Malibu Lagoon
    Malibu Lagoon is a coastal wetland and estuary in Malibu, California, known for its rich birdlife, surf breaks, and protected natural habitat within Malibu Lagoon State Beach.
  • B. Spreckels Lake
    Spreckels Lake is a man-made model yacht and boating lake located within San Francisco’s Golden Gate Park.
  • C. MacArthur Park Lake
    MacArthur Park Lake is an urban lake in Los Angeles known for its surrounding historic park, cultural significance, and views of the downtown skyline.
  • D. Malibu Lake
    Malibu Lake is a small reservoir and recreation area in the Santa Monica Mountains of Southern California, popular for hiking, fishing, and scenic views.
  • E. Reseda Park Lake
    Reseda Park Lake is a small urban lake in Reseda, Los Angeles, known for recreation, fishing, and wildlife viewing within Reseda Park.
  • 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_69d85ccd575081908909b71a3f3e3a61 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e22c89081909b1ec0cd36a1ef45 completed April 16, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4c4b3a8881909d41204a0b243461 completed May 9, 2026, 3:01 p.m.
NEDg Description generation batch_69ff50ad13b88190adb51231ea967889 completed May 9, 2026, 3:20 p.m.
NED2 Entity disambiguation (via description) batch_69ff512549088190880a57fcf66914a8 completed May 9, 2026, 3:22 p.m.
Created at: April 10, 2026, 4:11 a.m.