Triple
T235071
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Namba |
E4490
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Nankai Electric Railway
Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
|
E32139
|
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: Nankai Electric Railway | Statement: [Namba, servedBy, Nankai Electric Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai Electric Railway Context triple: [Namba, servedBy, Nankai Electric Railway]
-
A.
Hanshin Electric Railway Co., Ltd.
Hanshin Electric Railway Co., Ltd. is a Japanese private railway company in the Kansai region, best known in popular culture as the corporate parent of the professional baseball team Hanshin Tigers.
-
B.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
-
C.
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.
-
D.
Hankyu Hanshin Holdings, Inc.
Hankyu Hanshin Holdings, Inc. is a major Japanese corporate group centered on railway, real estate, and entertainment businesses, best known for operating the Hankyu and Hanshin railway lines and related enterprises in the Kansai region.
-
E.
Tokyu Toyoko Line
The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
- 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: Nankai Electric Railway Triple: [Namba, servedBy, Nankai Electric Railway]
Generated description
Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nankai Electric Railway Target entity description: Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
-
A.
Hanshin Electric Railway Co., Ltd.
Hanshin Electric Railway Co., Ltd. is a Japanese private railway company in the Kansai region, best known in popular culture as the corporate parent of the professional baseball team Hanshin Tigers.
-
B.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
-
C.
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.
-
D.
Hankyu Hanshin Holdings, Inc.
Hankyu Hanshin Holdings, Inc. is a major Japanese corporate group centered on railway, real estate, and entertainment businesses, best known for operating the Hankyu and Hanshin railway lines and related enterprises in the Kansai region.
-
E.
Tokyu Toyoko Line
The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
- 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_69a257363ffc81909757bde7ab3404da |
completed | Feb. 28, 2026, 2:47 a.m. |
| NER | Named-entity recognition | batch_69a25cc9ab2c81909af278a07f86aa1e |
completed | Feb. 28, 2026, 3:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3736e4010819089000ed60dbf519c |
completed | Feb. 28, 2026, 10:59 p.m. |
| NEDg | Description generation | batch_69a373c9a698819088b3981ffbf85f9b |
completed | Feb. 28, 2026, 11:01 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3742d7efc81908a46e928326e43fa |
completed | Feb. 28, 2026, 11:03 p.m. |
Created at: Feb. 28, 2026, 2:53 a.m.