Triple

T15894124
Position Surface form Disambiguated ID Type / Status
Subject San Mateo Creek E385405 entity
Predicate hasTributary P415 FINISHED
Object El Cerrito Creek (San Mateo County)
El Cerrito Creek in San Mateo County is a small stream in the San Francisco Peninsula that serves as a local tributary within the San Mateo Creek watershed.
 E1182774 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: El Cerrito Creek (San Mateo County) | Statement: [San Mateo Creek, hasTributary, El Cerrito Creek (San Mateo County)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: El Cerrito Creek (San Mateo County)
Context triple: [San Mateo Creek, hasTributary, El Cerrito Creek (San Mateo County)]
  • A. Carneros Creek (Monterey County)
    Carneros Creek in Monterey County is a small watercourse in central California that helps drain the local watershed as part of the Pajaro River system.
  • B. Coyote Creek (Santa Clara County)
    Coyote Creek in Santa Clara County is a major stream in California’s South Bay that flows through the Diablo Range and San Jose before emptying into the southern end of San Francisco Bay.
  • C. 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.
  • D. Novato Creek
    Novato Creek is a stream in Marin County, California, that flows through the city of Novato and drains into San Pablo Bay.
  • E. 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.
  • 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: El Cerrito Creek (San Mateo County)
Triple: [San Mateo Creek, hasTributary, El Cerrito Creek (San Mateo County)]
Generated description
El Cerrito Creek in San Mateo County is a small stream in the San Francisco Peninsula that serves as a local tributary within the San Mateo Creek watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: El Cerrito Creek (San Mateo County)
Target entity description: El Cerrito Creek in San Mateo County is a small stream in the San Francisco Peninsula that serves as a local tributary within the San Mateo Creek watershed.
  • A. Carneros Creek (Monterey County)
    Carneros Creek in Monterey County is a small watercourse in central California that helps drain the local watershed as part of the Pajaro River system.
  • B. Coyote Creek (Santa Clara County)
    Coyote Creek in Santa Clara County is a major stream in California’s South Bay that flows through the Diablo Range and San Jose before emptying into the southern end of San Francisco Bay.
  • C. 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.
  • D. Novato Creek
    Novato Creek is a stream in Marin County, California, that flows through the city of Novato and drains into San Pablo Bay.
  • E. 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.
  • 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_69d86da5b800819083a31be937d738b0 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1563809748190a54156b946d3f061 completed April 16, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb0497cb481908e8ea4ebb9c4039d completed May 9, 2026, 10:08 p.m.
NEDg Description generation batch_69ffb1b0ac6481908d2e6106c0984d21 completed May 9, 2026, 10:14 p.m.
NED2 Entity disambiguation (via description) batch_69ffb2461ea48190ba05f7da71b0f80f completed May 9, 2026, 10:16 p.m.
Created at: April 10, 2026, 4:51 a.m.