Triple

T3405588
Position Surface form Disambiguated ID Type / Status
Subject Crystal Springs Reservoir E71762 entity
Predicate primaryOutflow P967 FINISHED
Object 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.
E385405 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: San Mateo Creek | Statement: [Crystal Springs Reservoir, primaryOutflow, San Mateo Creek]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Mateo Creek
Context triple: [Crystal Springs Reservoir, primaryOutflow, San Mateo Creek]
  • A. Sespe Creek
    Sespe Creek is a major free-flowing stream in Southern California known for its scenic canyon, wildlife habitat, and role as a key tributary of the Santa Clara River.
  • B. Lee Vining Creek
    Lee Vining Creek is a Sierra Nevada stream in California that flows east into Mono Lake, providing a key source of freshwater to the Mono Basin ecosystem.
  • C. Tecate Creek
    Tecate Creek is a small stream in the U.S.–Mexico border region that flows through Tecate, California, and into Baja California, Mexico.
  • D. Malibu Creek
    Malibu Creek is a scenic waterway in the Santa Monica Mountains of Southern California that flows through rugged canyons to the Pacific Ocean near Malibu.
  • E. Mariposa Creek
    Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
  • 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: San Mateo Creek
Triple: [Crystal Springs Reservoir, primaryOutflow, San Mateo Creek]
Generated description
San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Mateo Creek
Target entity description: San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
  • A. Sespe Creek
    Sespe Creek is a major free-flowing stream in Southern California known for its scenic canyon, wildlife habitat, and role as a key tributary of the Santa Clara River.
  • B. Lee Vining Creek
    Lee Vining Creek is a Sierra Nevada stream in California that flows east into Mono Lake, providing a key source of freshwater to the Mono Basin ecosystem.
  • C. Tecate Creek
    Tecate Creek is a small stream in the U.S.–Mexico border region that flows through Tecate, California, and into Baja California, Mexico.
  • D. Malibu Creek
    Malibu Creek is a scenic waterway in the Santa Monica Mountains of Southern California that flows through rugged canyons to the Pacific Ocean near Malibu.
  • E. Mariposa Creek
    Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
  • 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_69ad85aac4808190a092c9cc8911f584 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb8eaa41c819095a4d51aec074649 completed March 8, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4e4d1c7188190b0f98fdc51e6684a completed March 14, 2026, 4:32 a.m.
NEDg Description generation batch_69b4e57a8e08819099f94731af4472a3 completed March 14, 2026, 4:35 a.m.
NED2 Entity disambiguation (via description) batch_69b4e60d2224819081b7a95592f1fd74 completed March 14, 2026, 4:37 a.m.
Created at: March 8, 2026, 3:15 p.m.