Triple
T5676917
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E231 series EMU |
E125107
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object |
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.
|
E690755
|
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: Jōban Line | Statement: [E231 series EMU, usedOnLine, Jōban Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jōban Line Context triple: [E231 series EMU, usedOnLine, Jōban Line]
-
A.
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.
-
B.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
-
C.
Wakayamakō Line
The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
-
D.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
-
E.
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.
- 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: Jōban Line Triple: [E231 series EMU, usedOnLine, Jōban Line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Jōban Line Target entity description: 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.
-
A.
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.
-
B.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
-
C.
Wakayamakō Line
The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
-
D.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
-
E.
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.
- 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_69c008295c808190acfe78915e7d656a |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02392f9f481908f7b80873589eff1 |
completed | March 22, 2026, 5:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c9493bf8088190bc59dd0e36d16a20 |
completed | March 29, 2026, 3:46 p.m. |
| NEDg | Description generation | batch_69c949ce7900819080312f9f5776e7f7 |
completed | March 29, 2026, 3:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c94a1e78f08190955632d35b02fb91 |
completed | March 29, 2026, 3:49 p.m. |
Created at: March 22, 2026, 3:43 p.m.