Triple
T6322270
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Miyagi Prefecture |
E141769
|
entity |
| Predicate | railwayServedBy |
P782
|
FINISHED |
| Object |
Joban Line
The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
|
E621218
|
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: Joban Line | Statement: [Miyagi Prefecture, railwayServedBy, Joban Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Joban Line Context triple: [Miyagi Prefecture, railwayServedBy, Joban Line]
-
A.
Kada Line
The Kada Line is a regional railway line in Wakayama Prefecture, Japan, providing local passenger service between Wakayamashi and Kada along the coast.
-
B.
JR Negishi Line
The JR Negishi Line is a railway line in the Yokohama area of Japan that connects central Yokohama with surrounding districts and links to major JR lines serving the Greater Tokyo region.
-
C.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
D.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
E.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture 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: Joban Line Triple: [Miyagi Prefecture, railwayServedBy, Joban Line]
Generated description
The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Joban Line Target entity description: The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
-
A.
Kada Line
The Kada Line is a regional railway line in Wakayama Prefecture, Japan, providing local passenger service between Wakayamashi and Kada along the coast.
-
B.
JR Negishi Line
The JR Negishi Line is a railway line in the Yokohama area of Japan that connects central Yokohama with surrounding districts and links to major JR lines serving the Greater Tokyo region.
-
C.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
D.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
E.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture 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_69c008d13b8c8190be47d896eb735605 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c064c76dfc8190a1d44fd0c4402a0e |
completed | March 22, 2026, 9:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c723aba0f0819091ba9aa4184bf1d5 |
completed | March 28, 2026, 12:41 a.m. |
| NEDg | Description generation | batch_69c72485150081908ce170d526a9b7bd |
completed | March 28, 2026, 12:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7250865808190a1d20e8fe6f9de49 |
completed | March 28, 2026, 12:47 a.m. |
Created at: March 22, 2026, 4:29 p.m.