Triple
T1772688
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles County Sheriff's Department |
E38908
|
entity |
| Predicate | hasDivision |
P35
|
FINISHED |
| Object |
Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
|
E200220
|
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: Transit Services Bureau | Statement: [Los Angeles County Sheriff's Department, hasDivision, Transit Services Bureau]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Transit Services Bureau Context triple: [Los Angeles County Sheriff's Department, hasDivision, Transit Services Bureau]
-
A.
Transit Bureau
The Transit Bureau is the division of the New York City Police Department responsible for policing and ensuring safety within the city’s public transit system, particularly the subway.
-
B.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
C.
TransLink
TransLink was the original name of the San Francisco Bay Area’s regional contactless transit fare payment system, later rebranded as the Clipper card.
-
D.
TransLink
TransLink is the regional transportation authority that plans, manages, and operates public transit and related transportation services across Metro Vancouver, British Columbia.
-
E.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
- 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: Transit Services Bureau Triple: [Los Angeles County Sheriff's Department, hasDivision, Transit Services Bureau]
Generated description
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Transit Services Bureau Target entity description: Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
-
A.
Transit Bureau
The Transit Bureau is the division of the New York City Police Department responsible for policing and ensuring safety within the city’s public transit system, particularly the subway.
-
B.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
C.
TransLink
TransLink was the original name of the San Francisco Bay Area’s regional contactless transit fare payment system, later rebranded as the Clipper card.
-
D.
TransLink
TransLink is the regional transportation authority that plans, manages, and operates public transit and related transportation services across Metro Vancouver, British Columbia.
-
E.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
- 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_69a8862e61708190af97b9838cc3f5de |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa64913ca481909bdc09f6f57b38dc |
completed | March 6, 2026, 5:22 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ada995dab48190b7efcf1007fc9d5f |
completed | March 8, 2026, 4:53 p.m. |
| NEDg | Description generation | batch_69adaab3b5008190ba5a07636fe3f2eb |
completed | March 8, 2026, 4:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adaea83bfc8190a526d5f2bd460e4c |
completed | March 8, 2026, 5:15 p.m. |
Created at: March 4, 2026, 7:31 p.m.