Triple
T13160925
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Addis Ababa–Djibouti Railway |
E312722
|
entity |
| Predicate | builder |
P3143
|
FINISHED |
| Object |
China Railway Group Limited
China Railway Group Limited is a major Chinese state-owned construction and engineering company specializing in large-scale railway and infrastructure projects worldwide.
|
E1024452
|
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: China Railway Group Limited | Statement: [Addis Ababa–Djibouti Railway, builder, China Railway Group Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: China Railway Group Limited Context triple: [Addis Ababa–Djibouti Railway, builder, China Railway Group Limited]
-
A.
China Railway Shanghai Group
China Railway Shanghai Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the Shanghai and surrounding eastern China area.
-
B.
China Railway Beijing Group
China Railway Beijing Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services and infrastructure in the Beijing-Tianjin-Hebei area.
-
C.
CRRC Corporation
CRRC Corporation is a Chinese state-owned rolling stock manufacturer and one of the world’s largest producers of railway equipment and trains.
-
D.
China Railway Guangzhou Group
China Railway Guangzhou Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services across parts of southern China, including Guangdong, Hunan, and Hainan provinces.
-
E.
China State Construction Engineering Corporation
China State Construction Engineering Corporation is one of the world’s largest construction and engineering companies, responsible for major infrastructure and skyscraper projects in China and abroad.
- 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: China Railway Group Limited Triple: [Addis Ababa–Djibouti Railway, builder, China Railway Group Limited]
Generated description
China Railway Group Limited is a major Chinese state-owned construction and engineering company specializing in large-scale railway and infrastructure projects worldwide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: China Railway Group Limited Target entity description: China Railway Group Limited is a major Chinese state-owned construction and engineering company specializing in large-scale railway and infrastructure projects worldwide.
-
A.
China Railway Shanghai Group
China Railway Shanghai Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the Shanghai and surrounding eastern China area.
-
B.
China Railway Beijing Group
China Railway Beijing Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services and infrastructure in the Beijing-Tianjin-Hebei area.
-
C.
CRRC Corporation
CRRC Corporation is a Chinese state-owned rolling stock manufacturer and one of the world’s largest producers of railway equipment and trains.
-
D.
China Railway Guangzhou Group
China Railway Guangzhou Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services across parts of southern China, including Guangdong, Hunan, and Hainan provinces.
-
E.
China State Construction Engineering Corporation
China State Construction Engineering Corporation is one of the world’s largest construction and engineering companies, responsible for major infrastructure and skyscraper projects in China and abroad.
- 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_69d806ac3ee081909b2fd27d060aa974 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c0971008190869e9de710f4c579 |
completed | April 10, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eaf2ae688190b3484989791977ce |
completed | May 3, 2026, 6:28 a.m. |
| NEDg | Description generation | batch_69f6ebec15188190a8a07af6eb447edf |
completed | May 3, 2026, 6:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6ec7fe56481909e1ed69df593fa34 |
completed | May 3, 2026, 6:34 a.m. |
Created at: April 9, 2026, 9:12 p.m.