Triple
T6163975
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dhaka Metro Rail |
E137510
|
entity |
| Predicate | rollingStockSupplier |
P19147
|
FINISHED |
| Object |
Mitsubishi Corporation
Mitsubishi Corporation is a major Japanese multinational trading and investment company involved in a wide range of sectors including energy, machinery, chemicals, and infrastructure projects worldwide.
|
E576100
|
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: Mitsubishi Corporation | Statement: [Dhaka Metro Rail, rollingStockSupplier, Mitsubishi Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mitsubishi Corporation Context triple: [Dhaka Metro Rail, rollingStockSupplier, Mitsubishi Corporation]
-
A.
Mitsubishi Group
Mitsubishi Group is a major Japanese conglomerate (keiretsu) comprising numerous companies across industries such as finance, heavy industry, automotive, and electronics.
-
B.
Sumitomo Corporation
Sumitomo Corporation is a major Japanese multinational trading and investment company and one of the core members of the Sumitomo Group conglomerate.
-
C.
Mitsui & Co., Ltd.
Mitsui & Co., Ltd. is one of Japan’s largest general trading companies (sōgō shōsha), engaged globally in diverse businesses including energy, metals, machinery, chemicals, food, and infrastructure.
-
D.
Nippon Kokusai Koku Kogyo K.K.
Nippon Kokusai Koku Kogyo K.K. was a Japanese aircraft manufacturer active before and during World War II, known for producing military and transport aircraft for the Imperial Japanese Army.
-
E.
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.
- 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: Mitsubishi Corporation Triple: [Dhaka Metro Rail, rollingStockSupplier, Mitsubishi Corporation]
Generated description
Mitsubishi Corporation is a major Japanese multinational trading and investment company involved in a wide range of sectors including energy, machinery, chemicals, and infrastructure projects worldwide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mitsubishi Corporation Target entity description: Mitsubishi Corporation is a major Japanese multinational trading and investment company involved in a wide range of sectors including energy, machinery, chemicals, and infrastructure projects worldwide.
-
A.
Mitsubishi Group
Mitsubishi Group is a major Japanese conglomerate (keiretsu) comprising numerous companies across industries such as finance, heavy industry, automotive, and electronics.
-
B.
Sumitomo Corporation
Sumitomo Corporation is a major Japanese multinational trading and investment company and one of the core members of the Sumitomo Group conglomerate.
-
C.
Mitsui & Co., Ltd.
Mitsui & Co., Ltd. is one of Japan’s largest general trading companies (sōgō shōsha), engaged globally in diverse businesses including energy, metals, machinery, chemicals, food, and infrastructure.
-
D.
Nippon Kokusai Koku Kogyo K.K.
Nippon Kokusai Koku Kogyo K.K. was a Japanese aircraft manufacturer active before and during World War II, known for producing military and transport aircraft for the Imperial Japanese Army.
-
E.
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.
- 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_69c008a54fc88190b6ce4416490ca79d |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05d6036f88190a4bf540e7fe8d48d |
completed | March 22, 2026, 9:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c16ee26ed8819084a5cfd84ba9564e |
completed | March 23, 2026, 4:48 p.m. |
| NEDg | Description generation | batch_69c1f5a1374481909117f2d8582ef195 |
completed | March 24, 2026, 2:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c1f60573a481909440f2ba7ef01f79 |
completed | March 24, 2026, 2:25 a.m. |
Created at: March 22, 2026, 4:17 p.m.