Triple
T10634358
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yamagata Prefecture |
E250538
|
entity |
| Predicate | hasRailwayLine |
P848
|
FINISHED |
| Object |
Uetsu Main Line
The Uetsu Main Line is a major railway line in northern Japan that runs along the Sea of Japan coast, connecting Niigata and Akita through rural areas including Yamagata Prefecture.
|
E1080000
|
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: Uetsu Main Line | Statement: [Yamagata Prefecture, hasRailwayLine, Uetsu Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Uetsu Main Line Context triple: [Yamagata Prefecture, hasRailwayLine, Uetsu Main Line]
-
A.
Sōya Main Line
The Sōya Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that runs through the northernmost regions of the island, including the city of Wakkanai.
-
B.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
-
C.
Nagasaki Main Line
The Nagasaki Main Line is a major railway corridor in Kyushu, Japan, connecting key cities including Nagasaki and Fukuoka and now operated by JR Kyushu.
-
D.
Jōban Line
The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
-
E.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
- 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: Uetsu Main Line Triple: [Yamagata Prefecture, hasRailwayLine, Uetsu Main Line]
Generated description
The Uetsu Main Line is a major railway line in northern Japan that runs along the Sea of Japan coast, connecting Niigata and Akita through rural areas including Yamagata Prefecture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Uetsu Main Line Target entity description: The Uetsu Main Line is a major railway line in northern Japan that runs along the Sea of Japan coast, connecting Niigata and Akita through rural areas including Yamagata Prefecture.
-
A.
Sōya Main Line
The Sōya Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that runs through the northernmost regions of the island, including the city of Wakkanai.
-
B.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
-
C.
Nagasaki Main Line
The Nagasaki Main Line is a major railway corridor in Kyushu, Japan, connecting key cities including Nagasaki and Fukuoka and now operated by JR Kyushu.
-
D.
Jōban Line
The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
-
E.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
- 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_69fcd082fe64819088a270f18190b172 |
completed | May 7, 2026, 5:48 p.m. |
| NEDg | Description generation | batch_69fcd340e25881908c2ff61a40da2e7a |
completed | May 7, 2026, 6 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcd3fe5f5081909291e8b9af77ee33 |
completed | May 7, 2026, 6:03 p.m. |
Created at: April 8, 2026, 9:03 p.m.