Triple

T5754616
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Peninsula reservoir system E126933 entity
Predicate connectedTo P37 FINISHED
Object Bay Division Pipelines
Bay Division Pipelines are major water conveyance lines that transport drinking water from the Hetch Hetchy and related reservoir systems across the San Francisco Bay Area to serve regional communities.
E544522 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: Bay Division Pipelines | Statement: [San Francisco Peninsula reservoir system, connectedTo, Bay Division Pipelines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bay Division Pipelines
Context triple: [San Francisco Peninsula reservoir system, connectedTo, Bay Division Pipelines]
  • A. Trans-Alaska Pipeline System
    The Trans-Alaska Pipeline System is a major crude oil pipeline network that transports oil across Alaska from Arctic oil fields to the ice-free port of Valdez.
  • B. Buckeye Pipe Line Company
    Buckeye Pipe Line Company is a petroleum pipeline company that emerged as one of the successor entities created from the court-ordered breakup of the Standard Oil monopoly in the early 20th century.
  • C. Mexican Pipeline
    The Mexican Pipeline is a world-famous, powerful beach break at Playa Zicatela in Puerto Escondido, renowned for its heavy, barreling waves that attract elite big-wave surfers.
  • D. Owen Ridge
    Owen Ridge is a prominent mountainous ridge located in Antarctica, forming part of the rugged terrain near the Murray Ridge region.
  • E. Alyeska Pipeline Service Company
    Alyeska Pipeline Service Company is an American oil pipeline company that manages and maintains the Trans-Alaska Pipeline System across Alaska.
  • 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: Bay Division Pipelines
Triple: [San Francisco Peninsula reservoir system, connectedTo, Bay Division Pipelines]
Generated description
Bay Division Pipelines are major water conveyance lines that transport drinking water from the Hetch Hetchy and related reservoir systems across the San Francisco Bay Area to serve regional communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bay Division Pipelines
Target entity description: Bay Division Pipelines are major water conveyance lines that transport drinking water from the Hetch Hetchy and related reservoir systems across the San Francisco Bay Area to serve regional communities.
  • A. Trans-Alaska Pipeline System
    The Trans-Alaska Pipeline System is a major crude oil pipeline network that transports oil across Alaska from Arctic oil fields to the ice-free port of Valdez.
  • B. Buckeye Pipe Line Company
    Buckeye Pipe Line Company is a petroleum pipeline company that emerged as one of the successor entities created from the court-ordered breakup of the Standard Oil monopoly in the early 20th century.
  • C. Mexican Pipeline
    The Mexican Pipeline is a world-famous, powerful beach break at Playa Zicatela in Puerto Escondido, renowned for its heavy, barreling waves that attract elite big-wave surfers.
  • D. Owen Ridge
    Owen Ridge is a prominent mountainous ridge located in Antarctica, forming part of the rugged terrain near the Murray Ridge region.
  • E. Alyeska Pipeline Service Company
    Alyeska Pipeline Service Company is an American oil pipeline company that manages and maintains the Trans-Alaska Pipeline System across Alaska.
  • 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_69c00832aedc81909899801b141fa3b4 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02904dcf481909e4340a64ee1034e completed March 22, 2026, 5:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69c07e434aa88190b56e721c002d31b8 completed March 22, 2026, 11:41 p.m.
NEDg Description generation batch_69c08be0a25481908ae868b2364fcc68 completed March 23, 2026, 12:40 a.m.
NED2 Entity disambiguation (via description) batch_69c08c926fc88190a3a06081c1da364e completed March 23, 2026, 12:42 a.m.
Created at: March 22, 2026, 3:49 p.m.