Triple
T16906216
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Anita Park |
E424568
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Santa Anita Race Track Company
Santa Anita Race Track Company is the corporate entity that owns and manages the historic Santa Anita Park horse racing facility in Arcadia, California.
|
E424568
|
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 Anita Race Track Company | Statement: [Santa Anita Park, operatedBy, Santa Anita Race Track Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Santa Anita Race Track Company Context triple: [Santa Anita Park, operatedBy, Santa Anita Race Track Company]
-
A.
Santa Anita Park
Santa Anita Park is a historic thoroughbred racetrack in Arcadia, California, renowned for hosting major horse racing events such as the Santa Anita Derby and multiple Breeders’ Cup championships.
-
B.
Santa Anita
Santa Anita is a Mexico City Metro station that serves as a transfer point between Line 4 and Line 8 in the southeastern part of the city.
-
C.
Los Alamitos Race Course
Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
-
D.
Monmouth Park Racetrack
Monmouth Park Racetrack is a historic thoroughbred horse racing venue located in Oceanport, New Jersey, known for hosting major summer racing events.
-
E.
The Meadows Racetrack and Casino
The Meadows Racetrack and Casino is a popular Pennsylvania entertainment complex featuring live horse racing, a casino gaming floor, and various dining and event options.
- 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 Anita Race Track Company Triple: [Santa Anita Park, operatedBy, Santa Anita Race Track Company]
Generated description
Santa Anita Race Track Company is the corporate entity that owns and manages the historic Santa Anita Park horse racing facility in Arcadia, California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Santa Anita Race Track Company Target entity description: Santa Anita Race Track Company is the corporate entity that owns and manages the historic Santa Anita Park horse racing facility in Arcadia, California.
-
A.
Santa Anita Park
chosen
Santa Anita Park is a historic thoroughbred racetrack in Arcadia, California, renowned for hosting major horse racing events such as the Santa Anita Derby and multiple Breeders’ Cup championships.
-
B.
Santa Anita
Santa Anita is a Mexico City Metro station that serves as a transfer point between Line 4 and Line 8 in the southeastern part of the city.
-
C.
Los Alamitos Race Course
Los Alamitos Race Course is a prominent horse racing track in Southern California known especially for its Quarter Horse racing events.
-
D.
Monmouth Park Racetrack
Monmouth Park Racetrack is a historic thoroughbred horse racing venue located in Oceanport, New Jersey, known for hosting major summer racing events.
-
E.
The Meadows Racetrack and Casino
The Meadows Racetrack and Casino is a popular Pennsylvania entertainment complex featuring live horse racing, a casino gaming floor, and various dining and event options.
- 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_69d889da3e8c8190a2b118f383f0beac |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e3ca392ff48190ab28f0bd3e9fc376 |
completed | April 18, 2026, 6:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00c7b7b698819081d2e39976b69587 |
completed | May 10, 2026, 6 p.m. |
| NEDg | Description generation | batch_6a00c8b9e4888190b25dd3256fc13dd1 |
completed | May 10, 2026, 6:04 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00c9672ab881909770b4fe551ec622 |
completed | May 10, 2026, 6:07 p.m. |
Created at: April 10, 2026, 5:30 a.m.