Triple
T464171
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sakai |
E8407
|
entity |
| Predicate | hasRailConnection |
P848
|
FINISHED |
| Object |
Sakai Tramway (Hankai Line)
The Sakai Tramway (Hankai Line) is a historic streetcar line in the Osaka–Sakai area of Japan, operated by Hankai Tramway Co., providing local urban and suburban rail transit.
|
E60255
|
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: Sakai Tramway (Hankai Line) | Statement: [Sakai, hasRailConnection, Sakai Tramway (Hankai Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sakai Tramway (Hankai Line) Context triple: [Sakai, hasRailConnection, Sakai Tramway (Hankai Line)]
-
A.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
B.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
C.
JR Kobe Line
The JR Kobe Line is a major commuter rail corridor in Japan’s Kansai region operated by JR West, connecting Osaka with Kobe and serving as part of the busy Tōkaidō and San’yō Main Line network.
-
D.
JR West Hanwa Line
The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
-
E.
Hankyu Kyoto Main Line
The Hankyu Kyoto Main Line is a major private railway line in Japan operated by Hankyu Railway, connecting Osaka and Kyoto through several suburban cities.
- 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: Sakai Tramway (Hankai Line) Triple: [Sakai, hasRailConnection, Sakai Tramway (Hankai Line)]
Generated description
The Sakai Tramway (Hankai Line) is a historic streetcar line in the Osaka–Sakai area of Japan, operated by Hankai Tramway Co., providing local urban and suburban rail transit.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sakai Tramway (Hankai Line) Target entity description: The Sakai Tramway (Hankai Line) is a historic streetcar line in the Osaka–Sakai area of Japan, operated by Hankai Tramway Co., providing local urban and suburban rail transit.
-
A.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
B.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
C.
JR Kobe Line
The JR Kobe Line is a major commuter rail corridor in Japan’s Kansai region operated by JR West, connecting Osaka with Kobe and serving as part of the busy Tōkaidō and San’yō Main Line network.
-
D.
JR West Hanwa Line
The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
-
E.
Hankyu Kyoto Main Line
The Hankyu Kyoto Main Line is a major private railway line in Japan operated by Hankyu Railway, connecting Osaka and Kyoto through several suburban cities.
- 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_69a2e7f3aeb48190a19453e3a043f486 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2efc214788190a8dff20fec4412e0 |
completed | Feb. 28, 2026, 1:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a46c5a949081908e05f0b61795004f |
completed | March 1, 2026, 4:42 p.m. |
| NEDg | Description generation | batch_69a46e2e87dc8190a6e2bff5550e057d |
completed | March 1, 2026, 4:49 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a46e82b9a08190bf356d6e1dfdf9c4 |
completed | March 1, 2026, 4:51 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.