Triple
T10657586
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Chuo-Sobu Line |
E251132
|
entity |
| Predicate | servesArea |
P82
|
FINISHED |
| Object |
western Chiba Prefecture
Western Chiba Prefecture is a suburban region east of Tokyo characterized by dense residential areas, commercial centers, and strong commuter links into the capital.
|
E877838
|
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: western Chiba Prefecture | Statement: [JR Chuo-Sobu Line, servesArea, western Chiba Prefecture]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: western Chiba Prefecture Context triple: [JR Chuo-Sobu Line, servesArea, western Chiba Prefecture]
-
A.
northern Osaka Prefecture
Northern Osaka Prefecture is a suburban area of Osaka, Japan, known for its residential communities, commercial centers, and rail-connected commuter towns.
-
B.
southern Osaka Prefecture
Southern Osaka Prefecture is a subregion in the southern part of Osaka Prefecture, Japan, known for its mix of suburban cities, historical sites, and agricultural areas.
-
C.
Ibaraki, Osaka Prefecture, Japan
Ibaraki is a city in Osaka Prefecture, Japan, known as a suburban hub between Osaka and Kyoto that blends residential areas, educational institutions, and notable contemporary architecture.
-
D.
Ichikawa, Chiba Prefecture
Ichikawa, in Chiba Prefecture, is a residential and commercial city in the Greater Tokyo Area known for its convenient access to central Tokyo and mix of urban and suburban neighborhoods.
-
E.
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.
- 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: western Chiba Prefecture Triple: [JR Chuo-Sobu Line, servesArea, western Chiba Prefecture]
Generated description
Western Chiba Prefecture is a suburban region east of Tokyo characterized by dense residential areas, commercial centers, and strong commuter links into the capital.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: western Chiba Prefecture Target entity description: Western Chiba Prefecture is a suburban region east of Tokyo characterized by dense residential areas, commercial centers, and strong commuter links into the capital.
-
A.
northern Osaka Prefecture
Northern Osaka Prefecture is a suburban area of Osaka, Japan, known for its residential communities, commercial centers, and rail-connected commuter towns.
-
B.
southern Osaka Prefecture
Southern Osaka Prefecture is a subregion in the southern part of Osaka Prefecture, Japan, known for its mix of suburban cities, historical sites, and agricultural areas.
-
C.
Ibaraki, Osaka Prefecture, Japan
Ibaraki is a city in Osaka Prefecture, Japan, known as a suburban hub between Osaka and Kyoto that blends residential areas, educational institutions, and notable contemporary architecture.
-
D.
Ichikawa, Chiba Prefecture
Ichikawa, in Chiba Prefecture, is a residential and commercial city in the Greater Tokyo Area known for its convenient access to central Tokyo and mix of urban and suburban neighborhoods.
-
E.
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.
- 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_69d6aa5a4c4881908f39be6efe5981e5 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6e0157dbc81909ef7d61f65b2fd93 |
completed | April 8, 2026, 11:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d97a7aa490819094c7eaf3fc5e2c43 |
completed | April 10, 2026, 10:32 p.m. |
| NEDg | Description generation | batch_69d97ef6d9a881909d688cb8c948f491 |
completed | April 10, 2026, 10:51 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d97f700f188190808fcf2f14403980 |
completed | April 10, 2026, 10:53 p.m. |
Created at: April 8, 2026, 9:07 p.m.