Triple

T1540382
Position Surface form Disambiguated ID Type / Status
Subject San Francisco–Oakland Bay Bridge E32851 entity
Predicate maintainedBy P86 FINISHED
Object Bay Area Toll Authority
The Bay Area Toll Authority is a regional agency responsible for overseeing toll collection and financing for the network of state-owned toll bridges in the San Francisco Bay Area.
 E176710 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 Area Toll Authority | Statement: [San Francisco–Oakland Bay Bridge, maintainedBy, Bay Area Toll Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bay Area Toll Authority
Context triple: [San Francisco–Oakland Bay Bridge, maintainedBy, Bay Area Toll Authority]
  • A. San Francisco County Transportation Authority
    The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
  • B. Santa Clara Valley Transportation Authority
    The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
  • C. San Francisco Muni
    San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
  • D. San Francisco Municipal Transportation Agency
    The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
  • E. San Mateo County Transit District
    San Mateo County Transit District is the public agency that oversees and manages bus and other transit services in San Mateo County, California.
  • 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 Area Toll Authority
Triple: [San Francisco–Oakland Bay Bridge, maintainedBy, Bay Area Toll Authority]
Generated description
The Bay Area Toll Authority is a regional agency responsible for overseeing toll collection and financing for the network of state-owned toll bridges in the San Francisco Bay Area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bay Area Toll Authority
Target entity description: The Bay Area Toll Authority is a regional agency responsible for overseeing toll collection and financing for the network of state-owned toll bridges in the San Francisco Bay Area.
  • A. San Francisco County Transportation Authority
    The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
  • B. Santa Clara Valley Transportation Authority
    The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
  • C. San Francisco Muni
    San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
  • D. San Francisco Municipal Transportation Agency
    The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
  • E. San Mateo County Transit District
    San Mateo County Transit District is the public agency that oversees and manages bus and other transit services in San Mateo County, California.
  • 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_69a885ed29088190a3c2d5a3d100c16e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9083c942481909168394b6674d82b completed March 5, 2026, 4:36 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad30997d408190916f16d31bcc35b4 completed March 8, 2026, 8:17 a.m.
NEDg Description generation batch_69ad31167b748190bbb73d7369570ada completed March 8, 2026, 8:19 a.m.
NED2 Entity disambiguation (via description) batch_69ad31b5ce308190ba34123a4c8b8188 completed March 8, 2026, 8:22 a.m.
Created at: March 4, 2026, 7:26 p.m.