Triple
T13827171
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sumida City |
E332279
|
entity |
| Predicate | hasTransportation |
P105
|
FINISHED |
| Object | Tobu Skytree Line |
—
|
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: Tobu Skytree Line | Statement: [Sumida City, hasTransportation, Tobu Skytree Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tobu Skytree Line Context triple: [Sumida City, hasTransportation, Tobu Skytree Line]
-
A.
Tobu Skytree Line
chosen
The Tobu Skytree Line is a major private railway line in the Tokyo area operated by Tobu Railway, serving central Tokyo and extending northward toward Saitama and Tochigi, including access to the Tokyo Skytree.
-
B.
Tokyo Metro Namboku Line
The Tokyo Metro Namboku Line is a north–south subway line in Tokyo operated by Tokyo Metro, known for its deep underground stations and through-services to other railway lines.
-
C.
Tozai Line
The Tozai Line is a major east–west rapid transit line forming part of the Sapporo Municipal Subway system in Sapporo, Japan.
-
D.
Tozai Line
The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
-
E.
Tobu Urban Park Line
Tobu Urban Park Line is a Japanese private railway line operated by Tobu Railway that runs through the northern suburbs of the Greater Tokyo area, connecting key commuter hubs.
- 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_69d81c5ae7c88190b0dd41bdafeb5999 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de0295d2d48190b08eba0d805bd72d |
completed | April 14, 2026, 9:02 a.m. |
Created at: April 9, 2026, 10:13 p.m.