Triple
T1573561
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | AC Transit |
E33595
|
entity |
| Predicate | governingBody |
P46
|
FINISHED |
| Object |
AC Transit Board of Directors
The AC Transit Board of Directors is the elected policy-making body that oversees and sets direction for the Alameda-Contra Costa Transit District’s public bus services in the San Francisco Bay Area.
|
E33595
|
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: AC Transit Board of Directors | Statement: [AC Transit, governingBody, AC Transit Board of Directors]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AC Transit Board of Directors Context triple: [AC Transit, governingBody, AC Transit Board of Directors]
-
A.
San Francisco Municipal Transportation Agency Board of Directors
The San Francisco Municipal Transportation Agency Board of Directors is the governing body that sets policy and oversees the operation of the city’s public transportation and related mobility services.
-
B.
Board of Directors of the San Mateo County Transit District
The Board of Directors of the San Mateo County Transit District is the policy-making and oversight body that directs and supervises the operations, budget, and strategic planning of SamTrans public transportation services in San Mateo County, California.
-
C.
AC Transit
AC Transit is a public bus agency serving the East Bay region of the San Francisco Bay Area, providing local and transbay bus services.
-
D.
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.
-
E.
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.
- 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: AC Transit Board of Directors Triple: [AC Transit, governingBody, AC Transit Board of Directors]
Generated description
The AC Transit Board of Directors is the elected policy-making body that oversees and sets direction for the Alameda-Contra Costa Transit District’s public bus services in the San Francisco Bay Area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: AC Transit Board of Directors Target entity description: The AC Transit Board of Directors is the elected policy-making body that oversees and sets direction for the Alameda-Contra Costa Transit District’s public bus services in the San Francisco Bay Area.
-
A.
San Francisco Municipal Transportation Agency Board of Directors
The San Francisco Municipal Transportation Agency Board of Directors is the governing body that sets policy and oversees the operation of the city’s public transportation and related mobility services.
-
B.
Board of Directors of the San Mateo County Transit District
The Board of Directors of the San Mateo County Transit District is the policy-making and oversight body that directs and supervises the operations, budget, and strategic planning of SamTrans public transportation services in San Mateo County, California.
-
C.
AC Transit
chosen
AC Transit is a public bus agency serving the East Bay region of the San Francisco Bay Area, providing local and transbay bus services.
-
D.
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.
-
E.
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.
- F. None of above.
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_69a885f27a4c8190a4622252cdf54c00 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a908bb9c648190933fd19bcc1cb9a4 |
completed | March 5, 2026, 4:38 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad4028bc5881909dbe847229dd63bb |
completed | March 8, 2026, 9:23 a.m. |
| NEDg | Description generation | batch_69ad41930d208190b34531e3f35fa58b |
completed | March 8, 2026, 9:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad422752348190b42ebc3781a6e8a5 |
completed | March 8, 2026, 9:32 a.m. |
Created at: March 4, 2026, 7:27 p.m.