Triple
T16873539
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Edo River |
E421236
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object |
Edo (former name of Tokyo)
Edo was the historical name of Japan’s capital city before it was renamed Tokyo in 1868, serving as the political and cultural center during the Tokugawa shogunate.
|
E1274206
|
NE FINISHED |
How this triple was built (4 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: Edo (former name of Tokyo) | Statement: [Edo River, namedAfter, Edo (former name of Tokyo)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Edo (former name of Tokyo) Context triple: [Edo River, namedAfter, Edo (former name of Tokyo)]
-
A.
Chuo City, Tokyo
Chuo City, Tokyo is a central ward of Tokyo known for its historic commercial districts like Nihonbashi and Ginza, serving as a major hub for finance, retail, and culture.
-
B.
Ōta, Tokyo
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.
-
C.
Nishitōkyō, Tokyo
Nishitōkyō is a residential city in western Tokyo Metropolis known for its suburban character and role as a commuter area for central Tokyo.
-
D.
Nakano, Tokyo
Nakano, Tokyo is a special ward in western Tokyo known for its dense residential neighborhoods, vibrant shopping streets, and pop culture hub around Nakano Broadway.
-
E.
Katsushika, Tokyo
Katsushika, Tokyo is a northeastern special ward of Tokyo known for its traditional shitamachi atmosphere, residential neighborhoods, and riverside areas along the Edogawa and Arakawa.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Edo (former name of Tokyo) Triple: [Edo River, namedAfter, Edo (former name of Tokyo)]
Generated description
Edo was the historical name of Japan’s capital city before it was renamed Tokyo in 1868, serving as the political and cultural center during the Tokugawa shogunate.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Edo (former name of Tokyo) Target entity description: Edo was the historical name of Japan’s capital city before it was renamed Tokyo in 1868, serving as the political and cultural center during the Tokugawa shogunate.
-
A.
Chuo City, Tokyo
Chuo City, Tokyo is a central ward of Tokyo known for its historic commercial districts like Nihonbashi and Ginza, serving as a major hub for finance, retail, and culture.
-
B.
Ōta, Tokyo
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.
-
C.
Nishitōkyō, Tokyo
Nishitōkyō is a residential city in western Tokyo Metropolis known for its suburban character and role as a commuter area for central Tokyo.
-
D.
Nakano, Tokyo
Nakano, Tokyo is a special ward in western Tokyo known for its dense residential neighborhoods, vibrant shopping streets, and pop culture hub around Nakano Broadway.
-
E.
Katsushika, Tokyo
Katsushika, Tokyo is a northeastern special ward of Tokyo known for its traditional shitamachi atmosphere, residential neighborhoods, and riverside areas along the Edogawa and Arakawa.
- F. None of above. chosen
Provenance (5 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_69d889d470fc8190b4aec199636c0c56 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e3b7f40410819088db22fa0d1eb808 |
completed | April 18, 2026, 4:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01c927c7c4819091046c686600db9f |
completed | May 11, 2026, 12:18 p.m. |
| NEDg | Description generation | batch_6a01cd5d88948190b347948b1f0584c0 |
completed | May 11, 2026, 12:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01cdca32e08190aeae5315494f9ab3 |
completed | May 11, 2026, 12:38 p.m. |
Created at: April 10, 2026, 5:29 a.m.