Triple
T1146077
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Yamanote Line |
E23567
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object |
Yurakucho Station
Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
|
E263602
|
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: Yurakucho Station | Statement: [JR Yamanote Line, connects, Yurakucho Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yurakucho Station Context triple: [JR Yamanote Line, connects, Yurakucho Station]
-
A.
Ikebukuro Station
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
B.
Meguro Station
Meguro Station is a major railway and subway hub in Tokyo’s Meguro ward, serving multiple JR and Tokyo Metro lines and providing convenient access to central and southwestern Tokyo.
-
C.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
D.
Shinagawa Station
Shinagawa Station is a major railway and transportation hub in Tokyo, Japan, serving multiple JR and private lines as well as Shinkansen high-speed trains.
-
E.
Higashi-Shinjuku Station
Higashi-Shinjuku Station is an underground railway station in Tokyo’s Shinjuku ward that serves as a transit hub on multiple subway lines.
- 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: Yurakucho Station Triple: [JR Yamanote Line, connects, Yurakucho Station]
Generated description
Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yurakucho Station Target entity description: Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
-
A.
Ikebukuro Station
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
B.
Meguro Station
Meguro Station is a major railway and subway hub in Tokyo’s Meguro ward, serving multiple JR and Tokyo Metro lines and providing convenient access to central and southwestern Tokyo.
-
C.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
D.
Shinagawa Station
Shinagawa Station is a major railway and transportation hub in Tokyo, Japan, serving multiple JR and private lines as well as Shinkansen high-speed trains.
-
E.
Higashi-Shinjuku Station
Higashi-Shinjuku Station is an underground railway station in Tokyo’s Shinjuku ward that serves as a transit hub on multiple subway lines.
- 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_69aeb39a387c8190b5c1f4876532e376 |
completed | March 9, 2026, 11:48 a.m. |
| NEDg | Description generation | batch_69aeb540ae008190aa5cbfa1c81540cc |
completed | March 9, 2026, 11:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69aeb59d0e5c819080bf5b34946b68ac |
completed | March 9, 2026, 11:57 a.m. |
Created at: March 1, 2026, 7:44 p.m.