Triple

T4226881
Position Surface form Disambiguated ID Type / Status
Subject Foothill Transit E94479 entity
Predicate hasDepot P2413 FINISHED
Object Pomona Operations and Maintenance Facility
The Pomona Operations and Maintenance Facility is a major Foothill Transit hub where the agency’s bus fleet is stored, serviced, and maintained for public transportation operations in the Pomona Valley area.
E422624 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: Pomona Operations and Maintenance Facility | Statement: [Foothill Transit, hasDepot, Pomona Operations and Maintenance Facility]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pomona Operations and Maintenance Facility
Context triple: [Foothill Transit, hasDepot, Pomona Operations and Maintenance Facility]
  • A. Gianelli Pumping–Generating Plant
    The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
  • B. Tracy Pumping Plant
    Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
  • C. Jones Pumping Plant
    Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
  • D. South Bay Pumping Plant
    South Bay Pumping Plant is a key water pumping facility in California’s State Water Project that lifts and conveys water through the South Bay Aqueduct to serve urban and industrial users in the San Francisco Bay Area.
  • E. Capitol Power Plant
    The Capitol Power Plant is a historic facility in Washington, D.C. that provides heating and cooling to the U.S. Capitol complex.
  • 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: Pomona Operations and Maintenance Facility
Triple: [Foothill Transit, hasDepot, Pomona Operations and Maintenance Facility]
Generated description
The Pomona Operations and Maintenance Facility is a major Foothill Transit hub where the agency’s bus fleet is stored, serviced, and maintained for public transportation operations in the Pomona Valley area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pomona Operations and Maintenance Facility
Target entity description: The Pomona Operations and Maintenance Facility is a major Foothill Transit hub where the agency’s bus fleet is stored, serviced, and maintained for public transportation operations in the Pomona Valley area.
  • A. Gianelli Pumping–Generating Plant
    The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
  • B. Tracy Pumping Plant
    Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
  • C. Jones Pumping Plant
    Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
  • D. South Bay Pumping Plant
    South Bay Pumping Plant is a key water pumping facility in California’s State Water Project that lifts and conveys water through the South Bay Aqueduct to serve urban and industrial users in the San Francisco Bay Area.
  • E. Capitol Power Plant
    The Capitol Power Plant is a historic facility in Washington, D.C. that provides heating and cooling to the U.S. Capitol complex.
  • 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_69b3453700a08190ae88792e3dc63207 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e5003008190834726e46df3ee9b completed March 12, 2026, 11:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5964a388881908038e5a612424b9b completed March 14, 2026, 5:09 p.m.
NEDg Description generation batch_69b596cb73ac81909f83daca406ad8c4 completed March 14, 2026, 5:11 p.m.
NED2 Entity disambiguation (via description) batch_69b59a9c386081909c21ad554d403bfc completed March 14, 2026, 5:27 p.m.
Created at: March 12, 2026, 11:04 p.m.