Triple

T11800246
Position Surface form Disambiguated ID Type / Status
Subject Livermore Valley E280604 entity
Predicate drainageBasinOf P411 FINISHED
Object Arroyo Las Positas
Arroyo Las Positas is a stream in Alameda County, California, that drains much of the Livermore Valley before joining larger waterways in the region.
 E949654 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: Arroyo Las Positas | Statement: [Livermore Valley, drainageBasinOf, Arroyo Las Positas]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arroyo Las Positas
Context triple: [Livermore Valley, drainageBasinOf, Arroyo Las Positas]
  • A. San Jose Creek
    San Jose Creek is a waterway in Southern California that drains parts of the San Gabriel Valley before joining the San Gabriel River.
  • B. San Mateo Creek
    San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
  • C. Purisima Creek
    Purisima Creek is a forested stream in the Santa Cruz Mountains of California, known for running through redwood canyons and providing scenic trails and habitat within the Purisima Creek Redwoods Open Space Preserve.
  • D. Moraga Creek
    Moraga Creek is a small waterway in Contra Costa County, California, that flows through the town of Moraga and contributes to the local watershed and natural landscape.
  • E. San Lorenzo Creek
    San Lorenzo Creek is a stream in central California that serves as a significant tributary within the Salinas River watershed.
  • 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: Arroyo Las Positas
Triple: [Livermore Valley, drainageBasinOf, Arroyo Las Positas]
Generated description
Arroyo Las Positas is a stream in Alameda County, California, that drains much of the Livermore Valley before joining larger waterways in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Arroyo Las Positas
Target entity description: Arroyo Las Positas is a stream in Alameda County, California, that drains much of the Livermore Valley before joining larger waterways in the region.
  • A. San Jose Creek
    San Jose Creek is a waterway in Southern California that drains parts of the San Gabriel Valley before joining the San Gabriel River.
  • B. San Mateo Creek
    San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
  • C. Purisima Creek
    Purisima Creek is a forested stream in the Santa Cruz Mountains of California, known for running through redwood canyons and providing scenic trails and habitat within the Purisima Creek Redwoods Open Space Preserve.
  • D. Moraga Creek
    Moraga Creek is a small waterway in Contra Costa County, California, that flows through the town of Moraga and contributes to the local watershed and natural landscape.
  • E. San Lorenzo Creek
    San Lorenzo Creek is a stream in central California that serves as a significant tributary within the Salinas River watershed.
  • 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_69d6ab258b808190b1735835c841e3a4 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a5a4512c8190b7782e1dee053000 completed April 10, 2026, 7:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69f166dbcb848190a5942ec00a2ca2f9 completed April 29, 2026, 2:03 a.m.
NEDg Description generation batch_69f16e31ebfc81908255e24b96bf9a99 completed April 29, 2026, 2:34 a.m.
NED2 Entity disambiguation (via description) batch_69f1a09eae7481908200709ae9721d53 completed April 29, 2026, 6:09 a.m.
Created at: April 8, 2026, 9:42 p.m.