Triple
T986790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Persian Corridor |
E21296
|
entity |
| Predicate | keyRailLine |
P848
|
FINISHED |
| Object |
Trans-Iranian Railway
The Trans-Iranian Railway is a historic north–south rail line completed in the 1930s that links the Persian Gulf to the Caspian Sea, playing a crucial role in Iran’s transportation network and in Allied logistics during World War II.
|
E116620
|
NE FINISHED |
How this triple was built (5 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: Trans-Iranian Railway | Statement: [Persian Corridor, keyRailLine, Trans-Iranian Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trans-Iranian Railway Context triple: [Persian Corridor, keyRailLine, Trans-Iranian Railway]
-
A.
Persian Corridor
The Persian Corridor was a vital World War II supply route through Iran used by the Allies to transport military aid to the Soviet Union.
-
B.
Trans-Siberian Railway
The Trans-Siberian Railway is a legendary long-distance rail line spanning Russia from Europe to the Pacific, renowned as one of the longest railway routes in the world.
-
C.
Baikal–Amur Mainline
The Baikal–Amur Mainline is a major Soviet-era railway line in Russia that runs parallel to the Trans-Siberian Railway, traversing remote regions of Siberia and the Russian Far East.
-
D.
Quetta–Chaman railway line
The Quetta–Chaman railway line is a historic rail route in Balochistan, Pakistan, running from the provincial capital Quetta to the border town of Chaman near Afghanistan and serving as a key strategic and regional transport link.
-
E.
Karakoram Highway
The Karakoram Highway is a high-altitude international road linking Pakistan and China through the Karakoram mountain range, renowned as one of the world’s highest paved routes and a key part of the ancient Silk Road corridor.
- 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: Trans-Iranian Railway Triple: [Persian Corridor, keyRailLine, Trans-Iranian Railway]
Generated description
The Trans-Iranian Railway is a historic north–south rail line completed in the 1930s that links the Persian Gulf to the Caspian Sea, playing a crucial role in Iran’s transportation network and in Allied logistics during World War II.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Trans-Iranian Railway Target entity description: The Trans-Iranian Railway is a historic north–south rail line completed in the 1930s that links the Persian Gulf to the Caspian Sea, playing a crucial role in Iran’s transportation network and in Allied logistics during World War II.
-
A.
Persian Corridor
The Persian Corridor was a vital World War II supply route through Iran used by the Allies to transport military aid to the Soviet Union.
-
B.
Trans-Siberian Railway
The Trans-Siberian Railway is a legendary long-distance rail line spanning Russia from Europe to the Pacific, renowned as one of the longest railway routes in the world.
-
C.
Baikal–Amur Mainline
The Baikal–Amur Mainline is a major Soviet-era railway line in Russia that runs parallel to the Trans-Siberian Railway, traversing remote regions of Siberia and the Russian Far East.
-
D.
Quetta–Chaman railway line
The Quetta–Chaman railway line is a historic rail route in Balochistan, Pakistan, running from the provincial capital Quetta to the border town of Chaman near Afghanistan and serving as a key strategic and regional transport link.
-
E.
Karakoram Highway
The Karakoram Highway is a high-altitude international road linking Pakistan and China through the Karakoram mountain range, renowned as one of the world’s highest paved routes and a key part of the ancient Silk Road corridor.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: keyRailLine Context triple: [Persian Corridor, keyRailLine, Trans-Iranian Railway]
-
A.
railwayLine
chosen
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
B.
railwayLineRole
Indicates the specific functional role or purpose that a railway line serves within a rail network or transportation system.
-
C.
railwayLineType
Indicates the specific kind or classification of a railway line associated with an entity (e.g., main line, branch line, high-speed line).
-
D.
numberOfRailLines
Indicates the total count of rail lines associated with or serving a given entity.
-
E.
formerRailwayLine
Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
- F. None of above.
Provenance (6 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_69a493c383dc8190a03257f22d4b4183 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b4a7754c8190a10ba0587bd8323d |
completed | March 1, 2026, 9:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac1ce5c0d48190ab023cec30b2c25a |
completed | March 7, 2026, 12:41 p.m. |
| NEDg | Description generation | batch_69ac20a7f47c8190b765cde3c6fbe1f8 |
completed | March 7, 2026, 12:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac21640a8c8190820a1b34a7d5c895 |
completed | March 7, 2026, 1 p.m. |
| PD | Predicate disambiguation | batch_69a4b2abccbc8190a83af432f89eacf5 |
completed | March 1, 2026, 9:42 p.m. |
Created at: March 1, 2026, 7:41 p.m.