Triple
T1146083
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Yamanote Line |
E23567
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object |
Tamachi Station
Tamachi Station is a major railway station in Tokyo’s Minato ward that serves as a key stop on several JR East lines and provides access to nearby business and educational districts.
|
E259854
|
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: Tamachi Station | Statement: [JR Yamanote Line, connects, Tamachi Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tamachi Station Context triple: [JR Yamanote Line, connects, Tamachi Station]
-
A.
Takadanobaba Station
Takadanobaba Station is a major railway hub in Tokyo’s Shinjuku ward, serving multiple lines and providing convenient access to nearby universities and commercial areas.
-
B.
Kitashinchi Station
Kitashinchi Station is an underground railway station in Osaka, Japan, located in the central business and entertainment district and served by the JR Tōzai Line.
-
C.
Hamamatsuchō Station
Hamamatsuchō Station is a major railway hub in Tokyo’s Minato ward that provides convenient access to central Tokyo, Haneda Airport, and the surrounding bayfront area.
-
D.
Namba Station
Namba Station is one of Osaka’s major railway and subway terminals, serving as a key commercial and transportation hub in the city’s bustling Namba district.
-
E.
Tenma Station
Tenma Station is a railway station in Osaka, Japan, serving local commuter traffic on the Osaka Loop 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: Tamachi Station Triple: [JR Yamanote Line, connects, Tamachi Station]
Generated description
Tamachi Station is a major railway station in Tokyo’s Minato ward that serves as a key stop on several JR East lines and provides access to nearby business and educational districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tamachi Station Target entity description: Tamachi Station is a major railway station in Tokyo’s Minato ward that serves as a key stop on several JR East lines and provides access to nearby business and educational districts.
-
A.
Takadanobaba Station
Takadanobaba Station is a major railway hub in Tokyo’s Shinjuku ward, serving multiple lines and providing convenient access to nearby universities and commercial areas.
-
B.
Kitashinchi Station
Kitashinchi Station is an underground railway station in Osaka, Japan, located in the central business and entertainment district and served by the JR Tōzai Line.
-
C.
Hamamatsuchō Station
chosen
Hamamatsuchō Station is a major railway hub in Tokyo’s Minato ward that provides convenient access to central Tokyo, Haneda Airport, and the surrounding bayfront area.
-
D.
Namba Station
Namba Station is one of Osaka’s major railway and subway terminals, serving as a key commercial and transportation hub in the city’s bustling Namba district.
-
E.
Tenma Station
Tenma Station is a railway station in Osaka, Japan, serving local commuter traffic on the Osaka Loop Line.
- 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_69a493ef399c8190b04b9146d2314f59 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bc6e8c2081909fb3534413b7aacb |
completed | March 1, 2026, 10:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af5ca0ede48190b2c45761a3f92517 |
completed | March 9, 2026, 11:49 p.m. |
| NEDg | Description generation | batch_69af5f3ca94c8190a316b507dcec4599 |
completed | March 10, 2026, 12:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af5fa4d13481908d0dac97dff14cc4 |
completed | March 10, 2026, 12:02 a.m. |
Created at: March 1, 2026, 7:44 p.m.