Triple
T20976114
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marin Transit |
E516629
|
entity |
| Predicate | governingBody |
P46
|
FINISHED |
| Object |
Marin County Transit District Board
The Marin County Transit District Board is the policy-making body that oversees and directs public transit services in Marin County, California.
|
E516629
|
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: Marin County Transit District Board | Statement: [Marin Transit, governingBody, Marin County Transit District Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marin County Transit District Board Context triple: [Marin Transit, governingBody, Marin County Transit District Board]
-
A.
Marin County Board of Supervisors
The Marin County Board of Supervisors is the elected legislative and executive body that sets policy, enacts ordinances, and oversees county services and administration for Marin County, California.
-
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.
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.
-
D.
Santa Cruz Metropolitan Transit District Board of Directors
The Santa Cruz Metropolitan Transit District Board of Directors is the policy-making and oversight body that directs and manages the public transit agency serving Santa Cruz County, California.
-
E.
Marin Transit
Marin Transit is the public bus agency serving Marin County, California, providing local and regional transit services throughout the area.
- 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: Marin County Transit District Board Triple: [Marin Transit, governingBody, Marin County Transit District Board]
Generated description
The Marin County Transit District Board is the policy-making body that oversees and directs public transit services in Marin County, California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Marin County Transit District Board Target entity description: The Marin County Transit District Board is the policy-making body that oversees and directs public transit services in Marin County, California.
-
A.
Marin County Board of Supervisors
The Marin County Board of Supervisors is the elected legislative and executive body that sets policy, enacts ordinances, and oversees county services and administration for Marin County, California.
-
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.
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.
-
D.
Santa Cruz Metropolitan Transit District Board of Directors
The Santa Cruz Metropolitan Transit District Board of Directors is the policy-making and oversight body that directs and manages the public transit agency serving Santa Cruz County, California.
-
E.
Marin Transit
chosen
Marin Transit is the public bus agency serving Marin County, California, providing local and regional transit services throughout the area.
- 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_69e0b4fee5ac8190875fa9ceba1a5e5e |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6fba3df2081908c1db5f8610ba43d |
completed | April 21, 2026, 4:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a092fbec34c819090f2a503633b7d3b |
completed | May 17, 2026, 3:02 a.m. |
| NEDg | Description generation | batch_6a093063be9c8190869f4e680aa7bff5 |
completed | May 17, 2026, 3:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0930c7e674819087c0c53cfdd1697f |
completed | May 17, 2026, 3:06 a.m. |
Created at: April 16, 2026, 1:47 p.m.