Triple
T9285840
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salesforce Transit Center |
E223392
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object |
Transbay Joint Powers Authority
The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
|
E789712
|
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: Transbay Joint Powers Authority | Statement: [Salesforce Transit Center, ownedBy, Transbay Joint Powers Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Transbay Joint Powers Authority Context triple: [Salesforce Transit Center, ownedBy, Transbay Joint Powers Authority]
-
A.
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.
-
B.
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.
-
C.
San Mateo County Transportation Authority
The San Mateo County Transportation Authority is a public agency responsible for planning, funding, and delivering transportation and congestion-relief projects within San Mateo County, California.
-
D.
Solano Transportation Authority
Solano Transportation Authority is a public agency that plans, funds, and coordinates transportation projects and services within Solano County, California.
-
E.
Alameda-Contra Costa Transit District
The Alameda-Contra Costa Transit District is a public transit agency serving the East Bay region of the San Francisco Bay Area, primarily providing bus services across Alameda and Contra Costa counties.
- 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: Transbay Joint Powers Authority Triple: [Salesforce Transit Center, ownedBy, Transbay Joint Powers Authority]
Generated description
The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Transbay Joint Powers Authority Target entity description: The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
-
A.
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.
-
B.
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.
-
C.
San Mateo County Transportation Authority
The San Mateo County Transportation Authority is a public agency responsible for planning, funding, and delivering transportation and congestion-relief projects within San Mateo County, California.
-
D.
Solano Transportation Authority
Solano Transportation Authority is a public agency that plans, funds, and coordinates transportation projects and services within Solano County, California.
-
E.
Alameda-Contra Costa Transit District
The Alameda-Contra Costa Transit District is a public transit agency serving the East Bay region of the San Francisco Bay Area, primarily providing bus services across Alameda and Contra Costa counties.
- 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_69ca8422ddf881908a3f8f876c9f53aa |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd0821b1108190b16e9570b09a14de |
completed | April 1, 2026, 11:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0b22753e481908bf19c7da13556d6 |
completed | April 4, 2026, 6:39 a.m. |
| NEDg | Description generation | batch_69d0b31096108190a118a4c7a8c11133 |
completed | April 4, 2026, 6:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d0b3d40da08190b25118a0901728da |
completed | April 4, 2026, 6:46 a.m. |
Created at: March 30, 2026, 7:35 p.m.