Triple
T15248102
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 品川区 |
E364438
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | 大井競馬場 |
E934920
|
NE FINISHED |
How this triple was built (2 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: 大井競馬場 | Statement: [品川区, hasLandmark, 大井競馬場]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 大井競馬場 Context triple: [品川区, hasLandmark, 大井競馬場]
-
A.
Obihiro Racecourse
Obihiro Racecourse is a Japanese horse racing venue in Obihiro, Hokkaido, best known as the only track that regularly hosts traditional Ban'ei draft horse races.
-
B.
Tokyo Racecourse
Tokyo Racecourse is a major Japanese horse racing venue in Fuchu, Tokyo, known for hosting prestigious events such as the Japan Cup.
-
C.
Hanshin Racecourse (near Amagasaki)
Hanshin Racecourse (near Amagasaki) is a major Japanese horse racing venue in the Kansai region, known for hosting prominent flat racing events including the Hanshin Juvenile Fillies and the Takarazuka Kinen.
-
D.
Komazawa Olympic Park Stadium
Komazawa Olympic Park Stadium is a multi-purpose sports venue in Tokyo, Japan, originally developed for the 1964 Summer Olympics and now used for various athletic and football events.
-
E.
Tokyo City Keiba
chosen
Tokyo City Keiba is the public operator of horse racing events and facilities in Tokyo, best known for managing the Ohi Racecourse and its popular night races.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85a0dde7481908fc64d1e82d5d20d |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e007f4f9d48190b96a7e0c6993cd69 |
completed | April 15, 2026, 9:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fedd491cd881908bad9660af9b6b8f |
completed | May 9, 2026, 7:07 a.m. |
Created at: April 10, 2026, 3:13 a.m.