Triple
T2631650
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 4A |
E59643
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Santa Rosa station
Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
|
E295533
|
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: Santa Rosa station | Statement: [Line 4A, hasStation, Santa Rosa station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Santa Rosa station Context triple: [Line 4A, hasStation, Santa Rosa station]
-
A.
Gilroy station
Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
-
B.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
-
C.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
-
D.
San Jose Diridon station
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
-
E.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
- 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: Santa Rosa station Triple: [Line 4A, hasStation, Santa Rosa station]
Generated description
Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Santa Rosa station Target entity description: Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
-
A.
Gilroy station
Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
-
B.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
-
C.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
-
D.
San Jose Diridon station
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
-
E.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
- 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_69ab4ac8596c8190b34997e73d9e991c |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abd8c6e540819087c7f92432b27b0f |
completed | March 7, 2026, 7:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afbbb328a88190b0ef889cbbe3bea3 |
completed | March 10, 2026, 6:35 a.m. |
| NEDg | Description generation | batch_69afbce109f48190be1a31d9300dbee6 |
completed | March 10, 2026, 6:40 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afbda490ac8190bb12598e26b91677 |
completed | March 10, 2026, 6:43 a.m. |
Created at: March 6, 2026, 9:50 p.m.