Triple
T4214774
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tsukuba |
E94187
|
entity |
| Predicate | hasSisterCity |
P919
|
FINISHED |
| Object |
Iruma, Saitama, Japan
Iruma is a city in Saitama Prefecture, Japan, known for its Sayama tea production and suburban residential character within the Greater Tokyo area.
|
E425127
|
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: Iruma, Saitama, Japan | Statement: [Tsukuba, hasSisterCity, Iruma, Saitama, Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iruma, Saitama, Japan Context triple: [Tsukuba, hasSisterCity, Iruma, Saitama, Japan]
-
A.
Sayama, Saitama, Japan
Sayama is a city in Saitama Prefecture, Japan, known for its automotive manufacturing facilities and proximity to the Tokyo metropolitan area.
-
B.
Saitama Prefecture, Japan
Saitama Prefecture, Japan is a populous prefecture in the Kantō region just north of Tokyo, known for its role as a major residential and commercial hub as well as for hosting key national institutions.
-
C.
Asaka, Saitama
Asaka is a suburban city in Saitama Prefecture, Japan, located in the Greater Tokyo metropolitan area and known primarily as a residential and commuter town.
-
D.
Utsunomiya, Tochigi Prefecture, Japan
Utsunomiya is the capital city of Tochigi Prefecture in Japan, known for its gyoza (dumplings) and as a regional commercial and transportation hub north of Tokyo.
-
E.
Kawagoe, Saitama, Japan
Kawagoe is a historic city in Saitama Prefecture, Japan, known for its well-preserved Edo-period warehouse district and traditional streetscapes that have earned it the nickname "Little Edo."
- 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: Iruma, Saitama, Japan Triple: [Tsukuba, hasSisterCity, Iruma, Saitama, Japan]
Generated description
Iruma is a city in Saitama Prefecture, Japan, known for its Sayama tea production and suburban residential character within the Greater Tokyo area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Iruma, Saitama, Japan Target entity description: Iruma is a city in Saitama Prefecture, Japan, known for its Sayama tea production and suburban residential character within the Greater Tokyo area.
-
A.
Sayama, Saitama, Japan
Sayama is a city in Saitama Prefecture, Japan, known for its automotive manufacturing facilities and proximity to the Tokyo metropolitan area.
-
B.
Saitama Prefecture, Japan
Saitama Prefecture, Japan is a populous prefecture in the Kantō region just north of Tokyo, known for its role as a major residential and commercial hub as well as for hosting key national institutions.
-
C.
Asaka, Saitama
Asaka is a suburban city in Saitama Prefecture, Japan, located in the Greater Tokyo metropolitan area and known primarily as a residential and commuter town.
-
D.
Utsunomiya, Tochigi Prefecture, Japan
Utsunomiya is the capital city of Tochigi Prefecture in Japan, known for its gyoza (dumplings) and as a regional commercial and transportation hub north of Tokyo.
-
E.
Kawagoe, Saitama, Japan
Kawagoe is a historic city in Saitama Prefecture, Japan, known for its well-preserved Edo-period warehouse district and traditional streetscapes that have earned it the nickname "Little Edo."
- 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_69b3451997e08190851db4a9a588837d |
completed | March 12, 2026, 10:58 p.m. |
| NER | Named-entity recognition | batch_69b34be8ba408190baee362e5abbe75b |
completed | March 12, 2026, 11:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5a852e0448190bc488087e92a94d4 |
completed | March 14, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69b5a8e024a081909e7ecbe969793281 |
completed | March 14, 2026, 6:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5acefd1f881908226ff68a741552b |
completed | March 14, 2026, 6:46 p.m. |
Created at: March 12, 2026, 11:04 p.m.