Triple
T10634356
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yamagata Prefecture |
E250538
|
entity |
| Predicate | hasRailwayLine |
P848
|
FINISHED |
| Object |
Rikuu West Line
The Rikuu West Line is a regional railway line in northern Japan operated by JR East that connects communities across Yamagata Prefecture along the Mogami River.
|
E1076925
|
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: Rikuu West Line | Statement: [Yamagata Prefecture, hasRailwayLine, Rikuu West Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rikuu West Line Context triple: [Yamagata Prefecture, hasRailwayLine, Rikuu West Line]
-
A.
Ryomo Line
The Ryomo Line is a regional railway line in Japan operated by JR East that connects Maebashi and Oyama, serving the northern Kanto region.
-
B.
Den-en-toshi Line
The Den-en-toshi Line is a major commuter railway line in the Greater Tokyo area that connects central Tokyo with suburban residential districts.
-
C.
Hakubi Line
The Hakubi Line is a major railway line in western Japan operated by JR West that connects Okayama and Tottori Prefectures through the Chūgoku Mountains.
-
D.
Honshi-Bisan Line
The Honshi-Bisan Line is a railway line in Japan that forms the rail link across the Seto Inland Sea between Honshu and Shikoku, running over the Seto Ohashi Bridge system.
-
E.
Senzan Line
The Senzan Line is a regional railway line in Japan that connects Sendai in Miyagi Prefecture with Yamagata in Yamagata Prefecture through the mountainous Ou region.
- 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: Rikuu West Line Triple: [Yamagata Prefecture, hasRailwayLine, Rikuu West Line]
Generated description
The Rikuu West Line is a regional railway line in northern Japan operated by JR East that connects communities across Yamagata Prefecture along the Mogami River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rikuu West Line Target entity description: The Rikuu West Line is a regional railway line in northern Japan operated by JR East that connects communities across Yamagata Prefecture along the Mogami River.
-
A.
Ryomo Line
The Ryomo Line is a regional railway line in Japan operated by JR East that connects Maebashi and Oyama, serving the northern Kanto region.
-
B.
Den-en-toshi Line
The Den-en-toshi Line is a major commuter railway line in the Greater Tokyo area that connects central Tokyo with suburban residential districts.
-
C.
Hakubi Line
The Hakubi Line is a major railway line in western Japan operated by JR West that connects Okayama and Tottori Prefectures through the Chūgoku Mountains.
-
D.
Honshi-Bisan Line
The Honshi-Bisan Line is a railway line in Japan that forms the rail link across the Seto Inland Sea between Honshu and Shikoku, running over the Seto Ohashi Bridge system.
-
E.
Senzan Line
The Senzan Line is a regional railway line in Japan that connects Sendai in Miyagi Prefecture with Yamagata in Yamagata Prefecture through the mountainous Ou region.
- 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_69d6aa5993448190a493b790b8f85010 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6dfab47bc819086684edc1b6dce74 |
completed | April 8, 2026, 11:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbc30d72588190a1ebab7477c9e668 |
completed | May 6, 2026, 10:39 p.m. |
| NEDg | Description generation | batch_69fc7f422e488190b568b784f841c950 |
completed | May 7, 2026, 12:02 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fc7fb1d8c481909d2bf58308f64bb9 |
completed | May 7, 2026, 12:04 p.m. |
Created at: April 8, 2026, 9:03 p.m.