Triple
T5879381
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marmaray rail tunnel |
E130705
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
Istanbul commuter rail network
The Istanbul commuter rail network is a suburban rail system serving the greater Istanbul metropolitan area, integrating cross-Bosporus links and multiple lines to connect key residential and commercial districts.
|
E552719
|
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: Istanbul commuter rail network | Statement: [Marmaray rail tunnel, partOf, Istanbul commuter rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Istanbul commuter rail network Context triple: [Marmaray rail tunnel, partOf, Istanbul commuter rail network]
-
A.
Istanbul Metro
The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
-
B.
Ankara commuter rail (Başkentray)
Ankara commuter rail (Başkentray) is a suburban rail system serving the Ankara metropolitan area, providing frequent, high-capacity passenger service along key east–west corridors.
-
C.
Ankara Metro
Ankara Metro is the rapid transit system serving Turkey's capital city, providing urban rail transportation across Ankara and its surrounding districts.
-
D.
Turkish high-speed rail network
The Turkish high-speed rail network is a modern intercity rail system that connects major cities across Turkey with fast, electrified train services designed to significantly reduce travel times and improve national mobility.
-
E.
Turkish railway network
The Turkish railway network is a nationwide system of rail lines that links major cities, industrial centers, and ports across Turkey, forming a key component of the country’s transportation infrastructure.
- 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: Istanbul commuter rail network Triple: [Marmaray rail tunnel, partOf, Istanbul commuter rail network]
Generated description
The Istanbul commuter rail network is a suburban rail system serving the greater Istanbul metropolitan area, integrating cross-Bosporus links and multiple lines to connect key residential and commercial districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Istanbul commuter rail network Target entity description: The Istanbul commuter rail network is a suburban rail system serving the greater Istanbul metropolitan area, integrating cross-Bosporus links and multiple lines to connect key residential and commercial districts.
-
A.
Istanbul Metro
The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
-
B.
Ankara commuter rail (Başkentray)
Ankara commuter rail (Başkentray) is a suburban rail system serving the Ankara metropolitan area, providing frequent, high-capacity passenger service along key east–west corridors.
-
C.
Ankara Metro
Ankara Metro is the rapid transit system serving Turkey's capital city, providing urban rail transportation across Ankara and its surrounding districts.
-
D.
Turkish high-speed rail network
The Turkish high-speed rail network is a modern intercity rail system that connects major cities across Turkey with fast, electrified train services designed to significantly reduce travel times and improve national mobility.
-
E.
Turkish railway network
The Turkish railway network is a nationwide system of rail lines that links major cities, industrial centers, and ports across Turkey, forming a key component of the country’s transportation infrastructure.
- 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_69c0085523688190bfd487479ce819e6 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c03633f0d88190b0ecf595cb28b783 |
completed | March 22, 2026, 6:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0b12d9e348190b4baf171ce448d5b |
completed | March 23, 2026, 3:19 a.m. |
| NEDg | Description generation | batch_69c0b20828948190b0459089cb6038d6 |
completed | March 23, 2026, 3:22 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0b286537481908741b9e0a368f94f |
completed | March 23, 2026, 3:24 a.m. |
Created at: March 22, 2026, 3:57 p.m.