Triple
T1146075
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Yamanote Line |
E23567
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object |
Kanda Station
Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
|
E258421
|
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: Kanda Station | Statement: [JR Yamanote Line, connects, Kanda Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kanda Station Context triple: [JR Yamanote Line, connects, Kanda Station]
-
A.
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.
-
B.
Shuri Station
Shuri Station is a railway station in Naha, Okinawa, serving as a key stop on the Okinawa Urban Monorail (Yui Rail) near the historic Shuri Castle area.
-
C.
Naha Station
Naha Station is a major railway terminal in Naha, Okinawa, serving as a key transportation hub for the city and surrounding region.
-
D.
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.
-
E.
Heiwadai Station
Heiwadai Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Fukutoshin Line (and typically also the Yurakucho Line), providing local commuter access in the Nerima ward.
- 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: Kanda Station Triple: [JR Yamanote Line, connects, Kanda Station]
Generated description
Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kanda Station Target entity description: Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
-
A.
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.
-
B.
Shuri Station
Shuri Station is a railway station in Naha, Okinawa, serving as a key stop on the Okinawa Urban Monorail (Yui Rail) near the historic Shuri Castle area.
-
C.
Naha Station
Naha Station is a major railway terminal in Naha, Okinawa, serving as a key transportation hub for the city and surrounding region.
-
D.
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.
-
E.
Heiwadai Station
Heiwadai Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Fukutoshin Line (and typically also the Yurakucho Line), providing local commuter access in the Nerima ward.
- 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_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_69ae95c9bbfc81909a02cdca9c859d01 |
completed | March 9, 2026, 9:41 a.m. |
| NEDg | Description generation | batch_69ae97ba6cac8190b9a9f48b3f41d8c6 |
completed | March 9, 2026, 9:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae9991f438819091c4de282456a138 |
completed | March 9, 2026, 9:57 a.m. |
Created at: March 1, 2026, 7:44 p.m.