Triple
T15399872
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Kantō urban area |
E368282
|
entity |
| Predicate | servedByExpressway |
P7229
|
FINISHED |
| Object | Tōhoku Expressway |
E275265
|
NE FINISHED |
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: Tōhoku Expressway | Statement: [Northern Kantō urban area, servedByExpressway, Tōhoku Expressway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tōhoku Expressway Context triple: [Northern Kantō urban area, servedByExpressway, Tōhoku Expressway]
-
A.
Tohoku Expressway
chosen
The Tohoku Expressway is a major Japanese toll highway that runs north from the Tokyo area through several prefectures toward the Tohoku region, serving as one of the country’s primary north–south transportation arteries.
-
B.
Hachinohe Expressway
The Hachinohe Expressway is a major national expressway in northeastern Japan that connects the city of Hachinohe in Aomori Prefecture with the wider Tōhoku expressway network.
-
C.
Aomori Expressway
The Aomori Expressway is a regional expressway in Aomori Prefecture, Japan, that connects local routes to the national expressway network.
-
D.
Higashi-Kanto Expressway
The Higashi-Kanto Expressway is a major Japanese expressway in the Kanto region that connects the Tokyo area with Chiba Prefecture and serves as a key route to Narita International Airport.
-
E.
Hokuriku Expressway
The Hokuriku Expressway is a major Japanese expressway running along the Sea of Japan coast, linking the Hokuriku region with central and western Honshu.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85a16c68c819099c1b547fbc87b32 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03e8d89e08190b7cae778d89fb5e1 |
completed | April 16, 2026, 1:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff13567e3481908eb6293c6af35f3a |
completed | May 9, 2026, 10:58 a.m. |
Created at: April 10, 2026, 3:19 a.m.