Triple
T232347
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Old Sacramento |
E4434
|
entity |
| Predicate | mainTransportation |
P1379
|
FINISHED |
| Object |
Sacramento Regional Transit light rail (nearby)
Sacramento Regional Transit light rail is a public light rail system serving the Sacramento metropolitan area, connecting downtown Sacramento with surrounding neighborhoods and suburbs.
|
E29762
|
NE FINISHED |
How this triple was built (5 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: Sacramento Regional Transit light rail (nearby) | Statement: [Old Sacramento, mainTransportation, Sacramento Regional Transit light rail (nearby)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sacramento Regional Transit light rail (nearby) Context triple: [Old Sacramento, mainTransportation, Sacramento Regional Transit light rail (nearby)]
-
A.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
-
B.
VTA light rail
VTA light rail is a light rail public transit system serving Santa Clara County, including cities such as San Jose, operated by the Santa Clara Valley Transportation Authority.
-
C.
BART
BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
-
D.
Sound Transit Link light rail
Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
-
E.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
- 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: Sacramento Regional Transit light rail (nearby) Triple: [Old Sacramento, mainTransportation, Sacramento Regional Transit light rail (nearby)]
Generated description
Sacramento Regional Transit light rail is a public light rail system serving the Sacramento metropolitan area, connecting downtown Sacramento with surrounding neighborhoods and suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sacramento Regional Transit light rail (nearby) Target entity description: Sacramento Regional Transit light rail is a public light rail system serving the Sacramento metropolitan area, connecting downtown Sacramento with surrounding neighborhoods and suburbs.
-
A.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
-
B.
VTA light rail
VTA light rail is a light rail public transit system serving Santa Clara County, including cities such as San Jose, operated by the Santa Clara Valley Transportation Authority.
-
C.
BART
BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
-
D.
Sound Transit Link light rail
Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
-
E.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: mainTransportation Context triple: [Old Sacramento, mainTransportation, Sacramento Regional Transit light rail (nearby)]
-
A.
transportation
Indicates the movement of someone or something from one place to another, typically using a vehicle or transit system.
-
B.
transports
Indicates that one entity carries or conveys another entity from one place to another.
-
C.
transportType
chosen
Indicates the mode or means of transportation used in carrying something or someone from one place to another.
-
D.
transportationFunction
Indicates that one entity serves to move or carry another entity from one place to another.
-
E.
transportRole
Indicates that an entity participates in a transportation process with a specific functional role (e.g., carrier, passenger, cargo, or operator).
- F. None of above.
Provenance (6 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_69a257363ffc81909757bde7ab3404da |
completed | Feb. 28, 2026, 2:47 a.m. |
| NER | Named-entity recognition | batch_69a25f14f72081908182e76300b59358 |
completed | Feb. 28, 2026, 3:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a362bd591c8190940e6b1cd81017ae |
completed | Feb. 28, 2026, 9:48 p.m. |
| NEDg | Description generation | batch_69a3632a55ac8190b099ae109b0c578c |
completed | Feb. 28, 2026, 9:50 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3639235808190aee80e49482486c2 |
completed | Feb. 28, 2026, 9:52 p.m. |
| PD | Predicate disambiguation | batch_69a25b5c8c888190b5544e687736b373 |
completed | Feb. 28, 2026, 3:05 a.m. |
Created at: Feb. 28, 2026, 2:53 a.m.