Triple
T5716362
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E233 series EMU |
E126032
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object |
Yokohama Line
The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
|
E691433
|
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: Yokohama Line | Statement: [E233 series EMU, usedOnLine, Yokohama Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yokohama Line Context triple: [E233 series EMU, usedOnLine, Yokohama Line]
-
A.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
-
B.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
C.
Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
-
D.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
E.
Chūō-Sōbu Line
The Chūō-Sōbu Line is a busy commuter rail line in Tokyo and Chiba, Japan, running local services that connect central Tokyo with its western suburbs and eastern neighboring prefecture.
- 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: Yokohama Line Triple: [E233 series EMU, usedOnLine, Yokohama Line]
Generated description
The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yokohama Line Target entity description: The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
-
A.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
-
B.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
C.
Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
-
D.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
E.
Chūō-Sōbu Line
The Chūō-Sōbu Line is a busy commuter rail line in Tokyo and Chiba, Japan, running local services that connect central Tokyo with its western suburbs and eastern neighboring prefecture.
- 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_69c0082e3d548190950169847b43043b |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c024ba819c8190bb7d775405dda9d6 |
completed | March 22, 2026, 5:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c9855a13d4819099ee6bf89566291f |
completed | March 29, 2026, 8:02 p.m. |
| NEDg | Description generation | batch_69c986dfa0f8819086aee2d6c657e5d6 |
completed | March 29, 2026, 8:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c9872e1cf881908bafc6f532502765 |
completed | March 29, 2026, 8:10 p.m. |
Created at: March 22, 2026, 3:46 p.m.