Triple
T20067295
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Islamic Republic of Iran Railways |
E499639
|
entity |
| Predicate | hasRoute |
P4374
|
FINISHED |
| Object |
Tehran–Bandar Abbas railway line
The Tehran–Bandar Abbas railway line is a major north–south rail corridor in Iran that connects the capital city Tehran with the strategic Persian Gulf port of Bandar Abbas, facilitating both passenger travel and freight transport.
|
E1415942
|
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: Tehran–Bandar Abbas railway line | Statement: [Islamic Republic of Iran Railways, hasRoute, Tehran–Bandar Abbas railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tehran–Bandar Abbas railway line Context triple: [Islamic Republic of Iran Railways, hasRoute, Tehran–Bandar Abbas railway line]
-
A.
Tehran–Mashhad railway
The Tehran–Mashhad railway is a major Iranian rail line connecting the capital Tehran with the holy city of Mashhad, serving as one of the country’s busiest passenger and freight corridors.
-
B.
Tehran–Khorramshahr railway
The Tehran–Khorramshahr railway is a major Iranian rail line connecting the capital Tehran with the southwestern city and port of Khorramshahr, serving as an important corridor for passenger and freight transport.
-
C.
Tehran–Tabriz railway
The Tehran–Tabriz railway is a major rail line in Iran that links the capital Tehran with the northwestern city of Tabriz, serving as a key corridor for passenger and freight transport across the country.
-
D.
Dorud–Andimeshk railway
The Dorud–Andimeshk railway is a major Iranian rail line traversing the Zagros Mountains, known for its numerous tunnels, bridges, and scenic yet strategically important route connecting central and southwestern Iran.
-
E.
Tehran–Karaj suburban rail line
The Tehran–Karaj suburban rail line is a key commuter railway service connecting Iran’s capital Tehran with the nearby city of Karaj, helping to handle heavy daily passenger traffic across the metropolitan 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: Tehran–Bandar Abbas railway line Triple: [Islamic Republic of Iran Railways, hasRoute, Tehran–Bandar Abbas railway line]
Generated description
The Tehran–Bandar Abbas railway line is a major north–south rail corridor in Iran that connects the capital city Tehran with the strategic Persian Gulf port of Bandar Abbas, facilitating both passenger travel and freight transport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tehran–Bandar Abbas railway line Target entity description: The Tehran–Bandar Abbas railway line is a major north–south rail corridor in Iran that connects the capital city Tehran with the strategic Persian Gulf port of Bandar Abbas, facilitating both passenger travel and freight transport.
-
A.
Tehran–Mashhad railway
The Tehran–Mashhad railway is a major Iranian rail line connecting the capital Tehran with the holy city of Mashhad, serving as one of the country’s busiest passenger and freight corridors.
-
B.
Tehran–Khorramshahr railway
The Tehran–Khorramshahr railway is a major Iranian rail line connecting the capital Tehran with the southwestern city and port of Khorramshahr, serving as an important corridor for passenger and freight transport.
-
C.
Tehran–Tabriz railway
The Tehran–Tabriz railway is a major rail line in Iran that links the capital Tehran with the northwestern city of Tabriz, serving as a key corridor for passenger and freight transport across the country.
-
D.
Dorud–Andimeshk railway
The Dorud–Andimeshk railway is a major Iranian rail line traversing the Zagros Mountains, known for its numerous tunnels, bridges, and scenic yet strategically important route connecting central and southwestern Iran.
-
E.
Tehran–Karaj suburban rail line
The Tehran–Karaj suburban rail line is a key commuter railway service connecting Iran’s capital Tehran with the nearby city of Karaj, helping to handle heavy daily passenger traffic across the metropolitan corridor.
- 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_69da627770948190997f486f9a2e370f |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66379f2cc81908f13a7b216878f12 |
completed | April 20, 2026, 5:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a083c655c7c8190b570b793935949dd |
completed | May 16, 2026, 9:44 a.m. |
| NEDg | Description generation | batch_6a083d5360cc8190b5c3e2df33b6ef2b |
completed | May 16, 2026, 9:48 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a083dce8b8881908c26f6fe5ba8a8cc |
completed | May 16, 2026, 9:50 a.m. |
Created at: April 11, 2026, 3:39 p.m.