Triple
T14437561
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tsukuba Express |
E358003
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object | Akihabara Station |
—
|
NE NERFINISHED |
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: Akihabara Station | Statement: [Tsukuba Express, connects, Akihabara Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Akihabara Station Context triple: [Tsukuba Express, connects, Akihabara Station]
-
A.
Akihabara Station
chosen
Akihabara Station is a major railway hub in Tokyo’s Akihabara district, known for serving multiple JR and subway lines and providing access to the city’s famous electronics and otaku culture area.
-
B.
Ginza Station
Ginza Station is a major Tokyo Metro subway hub located in Tokyo’s upscale Ginza district, serving as a key access point to the area’s shopping, dining, and entertainment.
-
C.
Yotsubashi Station
Yotsubashi Station is an Osaka Metro subway station in Osaka, Japan, serving the Yotsubashi Line near the bustling Shinsaibashi and Namba districts.
-
D.
Nagatachō Station
Nagatachō Station is a major Tokyo Metro subway station in central Tokyo that serves the government district near the National Diet and numerous ministry buildings.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8279402a88190821ffa39ae15bccf |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de914a45ec81909ab8ccf302047d7f |
completed | April 14, 2026, 7:11 p.m. |
Created at: April 10, 2026, 1:18 a.m.