Triple
T1178746
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arlington Heights, Illinois |
E25087
|
entity |
| Predicate | knownFor |
P22
|
FINISHED |
| Object |
Arlington International Racecourse
Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
|
E134495
|
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: Arlington International Racecourse | Statement: [Arlington Heights, Illinois, knownFor, Arlington International Racecourse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arlington International Racecourse Context triple: [Arlington Heights, Illinois, knownFor, Arlington International Racecourse]
-
A.
Fair Grounds Race Course
Fair Grounds Race Course is a historic New Orleans horse racing track that also serves as a major venue for large cultural events and festivals.
-
B.
Saratoga Race Course
Saratoga Race Course is a historic thoroughbred horse racing track in Saratoga Springs, New York, renowned as one of the oldest and most prestigious racetracks in the United States.
-
C.
Meadowlands Racetrack
Meadowlands Racetrack is a prominent horse racing track and entertainment venue located in East Rutherford, New Jersey, known especially for its harness racing events.
-
D.
Yonkers Raceway
Yonkers Raceway is a historic harness racing track and casino complex located in Yonkers, just north of New York City.
-
E.
Churchill Downs
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
- 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: Arlington International Racecourse Triple: [Arlington Heights, Illinois, knownFor, Arlington International Racecourse]
Generated description
Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Arlington International Racecourse Target entity description: Arlington International Racecourse was a renowned thoroughbred horse racing track and entertainment venue located in Arlington Heights, Illinois.
-
A.
Fair Grounds Race Course
Fair Grounds Race Course is a historic New Orleans horse racing track that also serves as a major venue for large cultural events and festivals.
-
B.
Saratoga Race Course
Saratoga Race Course is a historic thoroughbred horse racing track in Saratoga Springs, New York, renowned as one of the oldest and most prestigious racetracks in the United States.
-
C.
Meadowlands Racetrack
Meadowlands Racetrack is a prominent horse racing track and entertainment venue located in East Rutherford, New Jersey, known especially for its harness racing events.
-
D.
Yonkers Raceway
Yonkers Raceway is a historic harness racing track and casino complex located in Yonkers, just north of New York City.
-
E.
Churchill Downs
Churchill Downs is a historic thoroughbred racetrack in Louisville best known as the longtime home of the Kentucky Derby.
- 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_69a494267b4c819088c97a59182bf56a |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd10ccc481908d5bcef648aab3c1 |
completed | March 1, 2026, 10:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac6f1f1c188190a96f5718c4e7d59d |
completed | March 7, 2026, 6:31 p.m. |
| NEDg | Description generation | batch_69ac6f9c0da48190b8d5615ba582366c |
completed | March 7, 2026, 6:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac7009b52c8190a6f6962cf60de92d |
completed | March 7, 2026, 6:35 p.m. |
Created at: March 1, 2026, 7:45 p.m.