Triple
T16184958
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Orange Line Metro Train Lahore |
E392776
|
entity |
| Predicate | constructionCompany |
P63332
|
FINISHED |
| Object |
China Railway Engineering Corporation
China Railway Engineering Corporation is a major Chinese state-owned construction and engineering enterprise known for undertaking large-scale railway and urban transit 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 Engineering Corporation | Statement: [Orange Line Metro Train Lahore, constructionCompany, China Railway Engineering Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: China Railway Engineering Corporation Context triple: [Orange Line Metro Train Lahore, constructionCompany, China Railway Engineering Corporation]
-
A.
China Railway Design Corporation
China Railway Design Corporation is a major Chinese engineering and consulting firm specializing in the planning and design of large-scale railway and transportation infrastructure projects.
-
B.
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.
-
C.
China Civil Engineering Construction Corporation
China Civil Engineering Construction Corporation is a major Chinese state-owned construction and engineering company known for building large-scale infrastructure projects, particularly railways, across Africa and other regions worldwide.
-
D.
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.
-
E.
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.
- 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 Engineering Corporation Triple: [Orange Line Metro Train Lahore, constructionCompany, China Railway Engineering Corporation]
Generated description
China Railway Engineering Corporation is a major Chinese state-owned construction and engineering enterprise known for undertaking large-scale railway and urban transit infrastructure projects worldwide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: China Railway Engineering Corporation Target entity description: China Railway Engineering Corporation is a major Chinese state-owned construction and engineering enterprise known for undertaking large-scale railway and urban transit infrastructure projects worldwide.
-
A.
China Railway Design Corporation
China Railway Design Corporation is a major Chinese engineering and consulting firm specializing in the planning and design of large-scale railway and transportation infrastructure projects.
-
B.
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.
-
C.
China Civil Engineering Construction Corporation
China Civil Engineering Construction Corporation is a major Chinese state-owned construction and engineering company known for building large-scale infrastructure projects, particularly railways, across Africa and other regions worldwide.
-
D.
China Railway Group Limited
chosen
China Railway Group Limited is a major Chinese state-owned construction and engineering company specializing in large-scale railway and infrastructure projects worldwide.
-
E.
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.
- 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_69d87f1e49ac8190a311b54d32990576 |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e22060dcf88190b7c662946a5f0191 |
completed | April 17, 2026, 11:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffff0550b48190ac84946b7254552b |
completed | May 10, 2026, 3:44 a.m. |
| NEDg | Description generation | batch_6a0000a8a74c8190925c4140cf4a8520 |
completed | May 10, 2026, 3:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0004ceda8c8190a358f58f76116a7f |
completed | May 10, 2026, 4:08 a.m. |
Created at: April 10, 2026, 5:02 a.m.