Triple
T1516825
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nankai Electric Railway |
E32139
|
entity |
| Predicate | parentCompanyOf |
P254
|
FINISHED |
| Object |
Nankai Group
Nankai Group is a Japanese corporate group centered around Nankai Electric Railway, encompassing businesses in transportation, real estate, retail, and related services primarily in the Kansai region.
|
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 Group | Statement: [Nankai Electric Railway, parentCompanyOf, Nankai Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai Group Context triple: [Nankai Electric Railway, parentCompanyOf, Nankai Group]
-
A.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
C.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
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.
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.
- 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 Group Triple: [Nankai Electric Railway, parentCompanyOf, Nankai Group]
Generated description
Nankai Group is a Japanese corporate group centered around Nankai Electric Railway, encompassing businesses in transportation, real estate, retail, and related services primarily in the Kansai region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nankai Group Target entity description: Nankai Group is a Japanese corporate group centered around Nankai Electric Railway, encompassing businesses in transportation, real estate, retail, and related services primarily in the Kansai region.
-
A.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
C.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
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.
Nankai Electric Railway
chosen
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.
- F. None of above.
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_69a885e8caf88190a5fbb6159ce87786 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aa61f688148190bcc7c14372ce5bd1 |
completed | March 6, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad3702076881908e07d770da1a6e4d |
completed | March 8, 2026, 8:44 a.m. |
| NEDg | Description generation | batch_69ad378005d481908d2006470e8b476a |
completed | March 8, 2026, 8:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad37d6b26c8190ba7baa9831b04e41 |
completed | March 8, 2026, 8:48 a.m. |
Created at: March 4, 2026, 7:26 p.m.