Triple
T14430294
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fuchu, Tokyo |
E357806
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | National Astronomical Observatory of Japan (Mitaka campus vicinity) |
E671233
|
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: National Astronomical Observatory of Japan (Mitaka campus vicinity) | Statement: [Fuchu, Tokyo, hasLandmark, National Astronomical Observatory of Japan (Mitaka campus vicinity)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Astronomical Observatory of Japan (Mitaka campus vicinity) Context triple: [Fuchu, Tokyo, hasLandmark, National Astronomical Observatory of Japan (Mitaka campus vicinity)]
-
A.
Tokyo Astronomical Observatory
chosen
Tokyo Astronomical Observatory was a major Japanese astronomical research institution that served as the forerunner to the modern National Astronomical Observatory of Japan.
-
B.
Okayama Astrophysical Observatory
Okayama Astrophysical Observatory is a major Japanese astronomical research facility known for its optical and infrared telescopes used to study stars, exoplanets, and other celestial objects.
-
C.
Nobeyama Radio Observatory
Nobeyama Radio Observatory is a major Japanese radio astronomy facility in Nagano Prefecture known for its millimeter and submillimeter wavelength observations of the universe.
-
D.
Yokoyama Observatory
Yokoyama Observatory is a scenic lookout in Japan known for its panoramic views over the intricate coastline and islands of Ago Bay.
-
E.
Mizusawa VLBI Observatory
Mizusawa VLBI Observatory is a Japanese radio astronomy facility specializing in very long baseline interferometry (VLBI) observations to study celestial objects and Earth's geodynamics.
- 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_69d8279402a88190821ffa39ae15bccf |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de914570f08190b1c7c1c57a0cb476 |
completed | April 14, 2026, 7:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd5bd1c4d0819085edb9ed22128b68 |
completed | May 8, 2026, 3:43 a.m. |
Created at: April 10, 2026, 1:18 a.m.