Triple
T980319
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | VTA light rail |
E21151
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
Green Line (VTA)
The Green Line (VTA) is a light rail service in Santa Clara County, California, operated by the Santa Clara Valley Transportation Authority as part of its regional transit network.
|
E21151
|
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: Green Line (VTA) | Statement: [VTA light rail, hasLine, Green Line (VTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Line (VTA) Context triple: [VTA light rail, hasLine, Green Line (VTA)]
-
A.
Richmond–Millbrae line
The Richmond–Millbrae line is a Bay Area Rapid Transit (BART) service route in the San Francisco Bay Area that connects Richmond in the East Bay with Millbrae near San Francisco International Airport.
-
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.
Metro C Line
The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
-
D.
Metro B Line
The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
-
E.
Muni F-Market & Wharves line
The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront 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: Green Line (VTA) Triple: [VTA light rail, hasLine, Green Line (VTA)]
Generated description
The Green Line (VTA) is a light rail service in Santa Clara County, California, operated by the Santa Clara Valley Transportation Authority as part of its regional transit network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Green Line (VTA) Target entity description: The Green Line (VTA) is a light rail service in Santa Clara County, California, operated by the Santa Clara Valley Transportation Authority as part of its regional transit network.
-
A.
Richmond–Millbrae line
The Richmond–Millbrae line is a Bay Area Rapid Transit (BART) service route in the San Francisco Bay Area that connects Richmond in the East Bay with Millbrae near San Francisco International Airport.
-
B.
VTA light rail
chosen
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.
Metro C Line
The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
-
D.
Metro B Line
The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
-
E.
Muni F-Market & Wharves line
The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront destinations.
- 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_69a493c2b62c8190b616351789ec47f8 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b47b58ec81908d95f151b9af3dae |
completed | March 1, 2026, 9:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac4289acc88190886ac8971297b1f8 |
completed | March 7, 2026, 3:21 p.m. |
| NEDg | Description generation | batch_69ac4365965881909ff2cdf8eda07f91 |
completed | March 7, 2026, 3:25 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac43d1cd1c8190852f8811703ebd5f |
completed | March 7, 2026, 3:27 p.m. |
Created at: March 1, 2026, 7:40 p.m.