Triple

T70589
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Bay E1412 entity
Predicate mouthOfWatercourse P3817 FINISHED
Object Sacramento–San Joaquin River Delta
The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
E14397 NE FINISHED

How this triple was built (5 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: Sacramento–San Joaquin River Delta | Statement: [San Francisco Bay, mouthOfWatercourse, Sacramento–San Joaquin River Delta]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sacramento–San Joaquin River Delta
Context triple: [San Francisco Bay, mouthOfWatercourse, Sacramento–San Joaquin River Delta]
  • A. San Francisco Bay
    San Francisco Bay is a large, shallow estuarine inlet on the coast of Northern California, known for its iconic bridges, maritime activity, and role as the geographic center of the San Francisco Bay Area.
  • B. Klamath River estuary
    The Klamath River estuary is a biologically rich coastal river mouth in northern California where the Klamath River meets the Pacific Ocean, supporting diverse fish, bird, and marine mammal populations.
  • C. Central Valley
    The Central Valley is a vast, fertile agricultural region in California that serves as one of the most productive farming areas in the world.
  • D. Central Valley Project
    The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
  • E. Lake Tahoe Basin
    The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
  • 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: Sacramento–San Joaquin River Delta
Triple: [San Francisco Bay, mouthOfWatercourse, Sacramento–San Joaquin River Delta]
Generated description
The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sacramento–San Joaquin River Delta
Target entity description: The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
  • A. San Francisco Bay
    San Francisco Bay is a large, shallow estuarine inlet on the coast of Northern California, known for its iconic bridges, maritime activity, and role as the geographic center of the San Francisco Bay Area.
  • B. Klamath River estuary
    The Klamath River estuary is a biologically rich coastal river mouth in northern California where the Klamath River meets the Pacific Ocean, supporting diverse fish, bird, and marine mammal populations.
  • C. Central Valley
    The Central Valley is a vast, fertile agricultural region in California that serves as one of the most productive farming areas in the world.
  • D. Central Valley Project
    The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
  • E. Lake Tahoe Basin
    The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: mouthOfWatercourse
Context triple: [San Francisco Bay, mouthOfWatercourse, Sacramento–San Joaquin River Delta]
  • A. bodyOfWater
    Indicates that one entity is a body of water that is geographically or physically associated with another entity.
  • B. majorPortAtMouth
    Indicates that a major port is located at the mouth of a river where it meets a larger body of water.
  • C. waterwaySystem
    Indicates that one entity is part of, or belongs to, a connected network of waterways associated with another entity.
  • D. locatedOnWaterbody
    Indicates that an entity is situated on or directly adjacent to a specified body of water.
  • E. riverSystem
    Indicates that one entity is a river system to which the other entity belongs or is a component (such as a tributary or segment).
  • F. None of above. chosen

Provenance (7 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24fd16c248190a6ee4cd96c388772 completed Feb. 28, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a29e43eaf88190b153139b9710d5d2 completed Feb. 28, 2026, 7:50 a.m.
NEDg Description generation batch_69a2a0ddf1808190aa825bad41938aed completed Feb. 28, 2026, 8:01 a.m.
NED2 Entity disambiguation (via description) batch_69a2a247f51c8190a45164399c42fb29 completed Feb. 28, 2026, 8:07 a.m.
PD Predicate disambiguation batch_69a24eaa0df88190add55579b2b9fd02 completed Feb. 28, 2026, 2:10 a.m.
PDg Predicate description generation batch_69a24fcf5a88819088c5fa4c08476358 completed Feb. 28, 2026, 2:15 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.