Triple
T11808928
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Clara Station |
E280819
|
entity |
| Predicate | fareZone |
P844
|
FINISHED |
| Object |
Caltrain Zone 4
Caltrain Zone 4 is one of the fare zones in the Caltrain commuter rail system used to determine ticket prices for travel to and from stations such as Santa Clara.
|
E947418
|
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: Caltrain Zone 4 | Statement: [Santa Clara Station, fareZone, Caltrain Zone 4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caltrain Zone 4 Context triple: [Santa Clara Station, fareZone, Caltrain Zone 4]
-
A.
Caltrain Zone 6
Caltrain Zone 6 is the southernmost fare zone in the Caltrain commuter rail system, covering the Gilroy area in Santa Clara County, California.
-
B.
Caltrain Zone 2
Caltrain Zone 2 is a fare zone in the Caltrain commuter rail system covering a segment of the San Francisco Peninsula that includes stations such as Hillsdale.
-
C.
BART Transbay Zone 1
BART Transbay Zone 1 is a core fare zone in the Bay Area Rapid Transit system that covers central transbay stations in the San Francisco financial district and nearby areas.
-
D.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
E.
Belmont Caltrain station
Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
- 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: Caltrain Zone 4 Triple: [Santa Clara Station, fareZone, Caltrain Zone 4]
Generated description
Caltrain Zone 4 is one of the fare zones in the Caltrain commuter rail system used to determine ticket prices for travel to and from stations such as Santa Clara.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Caltrain Zone 4 Target entity description: Caltrain Zone 4 is one of the fare zones in the Caltrain commuter rail system used to determine ticket prices for travel to and from stations such as Santa Clara.
-
A.
Caltrain Zone 6
Caltrain Zone 6 is the southernmost fare zone in the Caltrain commuter rail system, covering the Gilroy area in Santa Clara County, California.
-
B.
Caltrain Zone 2
Caltrain Zone 2 is a fare zone in the Caltrain commuter rail system covering a segment of the San Francisco Peninsula that includes stations such as Hillsdale.
-
C.
BART Transbay Zone 1
BART Transbay Zone 1 is a core fare zone in the Bay Area Rapid Transit system that covers central transbay stations in the San Francisco financial district and nearby areas.
-
D.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
E.
Belmont Caltrain station
Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
- 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_69d6ab26aae88190b2489efcb2a24234 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a5c93a1881909b428bf3ed55bb57 |
completed | April 10, 2026, 7:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f13188b89c819095ba5d27de7ebbb2 |
completed | April 28, 2026, 10:15 p.m. |
| NEDg | Description generation | batch_69f141b1c50c819081a8055d951a49de |
completed | April 28, 2026, 11:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f14fcb63208190ad1185ad66314fa9 |
completed | April 29, 2026, 12:24 a.m. |
Created at: April 8, 2026, 9:42 p.m.