Triple
T7798979
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chiba |
E180374
|
entity |
| Predicate | hasDistrict |
P459
|
FINISHED |
| Object |
Chūō-ku, Chiba
Chūō-ku, Chiba is the central ward of Chiba City in Japan, serving as its main commercial and administrative hub.
|
E694149
|
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: Chūō-ku, Chiba | Statement: [Chiba, hasDistrict, Chūō-ku, Chiba]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chūō-ku, Chiba Context triple: [Chiba, hasDistrict, Chūō-ku, Chiba]
-
A.
Takatsu-ku
Takatsu-ku is one of the administrative wards of Kawasaki City in Kanagawa Prefecture, Japan, known as a residential and commercial area within the Greater Tokyo metropolitan region.
-
B.
Chōfu
Chōfu is a suburban city in western Tokyo, Japan, known for its residential neighborhoods, film studios, and proximity to central Tokyo.
-
C.
Minami Ward
Minami Ward is one of the administrative wards of Kumamoto City in Japan, encompassing a mix of residential, commercial, and rural areas.
-
D.
Chiba
Chiba is a major city in Japan located east of Tokyo, known as the capital of Chiba Prefecture and a key commercial and residential hub in the Greater Tokyo Area.
-
E.
Nishi Ward
Nishi Ward is one of the administrative wards of Kumamoto City in Japan, encompassing a mix of residential, commercial, and suburban areas.
- 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: Chūō-ku, Chiba Triple: [Chiba, hasDistrict, Chūō-ku, Chiba]
Generated description
Chūō-ku, Chiba is the central ward of Chiba City in Japan, serving as its main commercial and administrative hub.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chūō-ku, Chiba Target entity description: Chūō-ku, Chiba is the central ward of Chiba City in Japan, serving as its main commercial and administrative hub.
-
A.
Takatsu-ku
Takatsu-ku is one of the administrative wards of Kawasaki City in Kanagawa Prefecture, Japan, known as a residential and commercial area within the Greater Tokyo metropolitan region.
-
B.
Chōfu
Chōfu is a suburban city in western Tokyo, Japan, known for its residential neighborhoods, film studios, and proximity to central Tokyo.
-
C.
Minami Ward
Minami Ward is one of the administrative wards of Kumamoto City in Japan, encompassing a mix of residential, commercial, and rural areas.
-
D.
Chiba
Chiba is a major city in Japan located east of Tokyo, known as the capital of Chiba Prefecture and a key commercial and residential hub in the Greater Tokyo Area.
-
E.
Nishi Ward
Nishi Ward is one of the administrative wards of Kumamoto City in Japan, encompassing a mix of residential, commercial, and suburban areas.
- 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_69ca827e50cc8190a92a733577184938 |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cae984185881908117f9f549ffc443 |
completed | March 30, 2026, 9:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cb14149abc8190b172cfa8ab3b0fba |
completed | March 31, 2026, 12:23 a.m. |
| NEDg | Description generation | batch_69cb1638c9888190be533d55fd0b494f |
completed | March 31, 2026, 12:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cb1a3e6da08190bf4f82b59db41333 |
completed | March 31, 2026, 12:50 a.m. |
Created at: March 30, 2026, 4:32 p.m.