Triple
T14972418
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tama River |
E373354
|
entity |
| Predicate | formsBorderBetween |
P224
|
FINISHED |
| Object | Ōta, Tokyo and Kawasaki, Kanagawa |
E282024
|
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: Ōta, Tokyo and Kawasaki, Kanagawa | Statement: [Tama River, formsBorderBetween, Ōta, Tokyo and Kawasaki, Kanagawa]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ōta, Tokyo and Kawasaki, Kanagawa Context triple: [Tama River, formsBorderBetween, Ōta, Tokyo and Kawasaki, Kanagawa]
-
A.
Ōta, Tokyo
chosen
Ōta, Tokyo is a large ward in southern Tokyo known for its mix of residential and industrial areas and for hosting Haneda Airport, one of Japan’s major international gateways.
-
B.
Kawasaki, Kanagawa
Kawasaki, Kanagawa is a major industrial and residential city in Kanagawa Prefecture, Japan, situated between Tokyo and Yokohama along the Tama River.
-
C.
Fujisawa, Kanagawa, Japan
Fujisawa is a coastal city in Kanagawa Prefecture, Japan, known for its proximity to Enoshima Island and as a hub for education, commerce, and tourism in the Shōnan region.
-
D.
Kōtō, Tokyo, Japan
Kōtō is a special ward in eastern Tokyo known for its waterfront areas, reclaimed land, and a mix of residential neighborhoods, commercial districts, and large-scale facilities.
-
E.
Kawaguchi, Saitama Prefecture
Kawaguchi, Saitama Prefecture is a city in the Greater Tokyo area of Japan known as a residential and industrial suburb with convenient rail access to central Tokyo.
- 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_69d85ccbbcd48190acb56e7cf104d8ad |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded6e767608190940eb6f16ea97451 |
completed | April 15, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe8be8af688190832efb00695f8b20 |
completed | May 9, 2026, 1:20 a.m. |
Created at: April 10, 2026, 2:50 a.m.