Triple
T5189731
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink Inland Empire–Orange County Line |
E117120
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
Santa Ana station
Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
|
E507303
|
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 Ana station | Statement: [Metrolink Inland Empire–Orange County Line, usesStation, Santa Ana station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Santa Ana station Context triple: [Metrolink Inland Empire–Orange County Line, usesStation, Santa Ana station]
-
A.
Santa Ana station
Santa Ana station is an underground interchange stop on the Santiago Metro in Chile, serving as a key connection point between multiple lines in the city’s rapid transit network.
-
B.
Santa Clarita station
Santa Clarita station is a commuter rail stop in Santa Clarita, California, serving passengers on Metrolink’s Antelope Valley Line between Los Angeles and the high desert communities to the north.
-
C.
Fullerton station
Fullerton station is a major Chicago 'L' transit hub in the Lincoln Park neighborhood, serving multiple CTA lines and providing access to DePaul University and the surrounding area.
-
D.
Riverside–La Sierra station
Riverside–La Sierra station is a commuter rail station in Riverside, California, serving Metrolink passengers traveling within the Inland Empire and to Orange County.
-
E.
Redondo Beach station
Redondo Beach station is a light rail transit station in Redondo Beach, California, serving as the western terminus of Los Angeles Metro's C Line.
- 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 Ana station Triple: [Metrolink Inland Empire–Orange County Line, usesStation, Santa Ana station]
Generated description
Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Santa Ana station Target entity description: Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
-
A.
Santa Ana station
Santa Ana station is an underground interchange stop on the Santiago Metro in Chile, serving as a key connection point between multiple lines in the city’s rapid transit network.
-
B.
Santa Clarita station
Santa Clarita station is a commuter rail stop in Santa Clarita, California, serving passengers on Metrolink’s Antelope Valley Line between Los Angeles and the high desert communities to the north.
-
C.
Fullerton station
Fullerton station is a major Chicago 'L' transit hub in the Lincoln Park neighborhood, serving multiple CTA lines and providing access to DePaul University and the surrounding area.
-
D.
Riverside–La Sierra station
Riverside–La Sierra station is a commuter rail station in Riverside, California, serving Metrolink passengers traveling within the Inland Empire and to Orange County.
-
E.
Redondo Beach station
Redondo Beach station is a light rail transit station in Redondo Beach, California, serving as the western terminus of Los Angeles Metro's C Line.
- 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_69bd44620ff48190bcac01782107a397 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd79c732b48190af62dfffcbc5e3a6 |
completed | March 20, 2026, 4:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69befe58344881908386713f2cf5749b |
completed | March 21, 2026, 8:23 p.m. |
| NEDg | Description generation | batch_69beff3029dc8190b4dc5e207a2bfa03 |
completed | March 21, 2026, 8:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69befffc0e388190a02624d4f466a2a9 |
completed | March 21, 2026, 8:30 p.m. |
Created at: March 20, 2026, 1:46 p.m.