Triple
T7567183
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio railway network |
E178944
|
entity |
| Predicate | hasStationNear |
P77644
|
FINISHED |
| Object |
Tokyo Racecourse
Tokyo Racecourse is a major Japanese horse racing venue in Fuchu, Tokyo, known for hosting prestigious events such as the Japan Cup.
|
E673927
|
NE FINISHED |
How this triple was built (5 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: Tokyo Racecourse | Statement: [Keio railway network, hasStationNear, Tokyo Racecourse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Racecourse Context triple: [Keio railway network, hasStationNear, Tokyo Racecourse]
-
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.
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.
-
C.
Suzuka
Suzuka is a city in Japan best known internationally for the Suzuka International Racing Course, which hosts major motorsport events including Formula One races.
-
D.
Komazawa Olympic Park
Komazawa Olympic Park is a large sports and recreation complex in Tokyo that was originally developed as a venue for the 1964 Summer Olympics.
-
E.
Arima Velodrome
Arima Velodrome is a cycling and multi-purpose sporting facility located in the town of Arima in Trinidad and Tobago.
- 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: Tokyo Racecourse Triple: [Keio railway network, hasStationNear, Tokyo Racecourse]
Generated description
Tokyo Racecourse is a major Japanese horse racing venue in Fuchu, Tokyo, known for hosting prestigious events such as the Japan Cup.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tokyo Racecourse Target entity description: Tokyo Racecourse is a major Japanese horse racing venue in Fuchu, Tokyo, known for hosting prestigious events such as the Japan Cup.
-
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.
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.
-
C.
Suzuka
Suzuka is a city in Japan best known internationally for the Suzuka International Racing Course, which hosts major motorsport events including Formula One races.
-
D.
Komazawa Olympic Park
Komazawa Olympic Park is a large sports and recreation complex in Tokyo that was originally developed as a venue for the 1964 Summer Olympics.
-
E.
Arima Velodrome
Arima Velodrome is a cycling and multi-purpose sporting facility located in the town of Arima in Trinidad and Tobago.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasStationNear Context triple: [Keio railway network, hasStationNear, Tokyo Racecourse]
-
A.
hasAdjacentStationOnAC
Indicates that one station is directly next to another station along the AC line or route.
-
B.
hasNotableStation
Indicates that an entity possesses or is associated with a station that is considered notable or significant in some context.
-
C.
hasNearbyBirdStation
Indicates that one entity is located close to a bird observation or monitoring station associated with another entity.
-
D.
hasFocalStations
Indicates that an entity is associated with one or more primary or central stations that serve as its main points of focus or operation.
-
E.
hasMeteorologicalStation
Indicates that one entity possesses, hosts, or is equipped with a meteorological station used for observing and recording weather-related data.
- F. None of above. chosen
Provenance (7 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_69c69f2f80288190b95cceb4da92ab2b |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f91c717881909c88901cc3b101c7 |
completed | March 27, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c856e0c23481908fc59ecc318840ba |
completed | March 28, 2026, 10:32 p.m. |
| NEDg | Description generation | batch_69c858e260d0819084df667d5aec53f7 |
completed | March 28, 2026, 10:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c859790e8881908a78449f40d528d8 |
completed | March 28, 2026, 10:43 p.m. |
| PD | Predicate disambiguation | batch_69c6f4dc485c819080da13e3b7f4f08f |
completed | March 27, 2026, 9:21 p.m. |
| PDg | Predicate description generation | batch_69c6f59517648190ac0a9e9cba045dd5 |
completed | March 27, 2026, 9:24 p.m. |
Created at: March 27, 2026, 3:50 p.m.