Triple
T7175736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | İETT |
E167313
|
entity |
| Predicate | fullName |
P16
|
FINISHED |
| Object |
İstanbul Elektrik Tramvay ve Tünel İşletmeleri
İstanbul Elektrik Tramvay ve Tünel İşletmeleri is the public agency responsible for operating Istanbul’s city buses, trams, and the historic Tünel funicular system.
|
E646549
|
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: İstanbul Elektrik Tramvay ve Tünel İşletmeleri | Statement: [İETT, fullName, İstanbul Elektrik Tramvay ve Tünel İşletmeleri]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: İstanbul Elektrik Tramvay ve Tünel İşletmeleri Context triple: [İETT, fullName, İstanbul Elektrik Tramvay ve Tünel İşletmeleri]
-
A.
Anatolian Railway Company
The Anatolian Railway Company was a late 19th-century railway enterprise that developed and operated key rail lines in the Ottoman Empire, particularly across Anatolia.
-
B.
Turkish State Railways
Turkish State Railways is Turkey’s national railway company, responsible for operating and maintaining the country’s rail transport network, including high-speed train services.
-
C.
Istanbul tram network
The Istanbul tram network is a modern urban rail system that forms a key part of the city’s public transport, linking major districts on the European side and connecting seamlessly with metro, bus, and ferry services.
-
D.
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.
-
E.
Istanbul Metro
The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
- 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: İstanbul Elektrik Tramvay ve Tünel İşletmeleri Triple: [İETT, fullName, İstanbul Elektrik Tramvay ve Tünel İşletmeleri]
Generated description
İstanbul Elektrik Tramvay ve Tünel İşletmeleri is the public agency responsible for operating Istanbul’s city buses, trams, and the historic Tünel funicular system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: İstanbul Elektrik Tramvay ve Tünel İşletmeleri Target entity description: İstanbul Elektrik Tramvay ve Tünel İşletmeleri is the public agency responsible for operating Istanbul’s city buses, trams, and the historic Tünel funicular system.
-
A.
Anatolian Railway Company
The Anatolian Railway Company was a late 19th-century railway enterprise that developed and operated key rail lines in the Ottoman Empire, particularly across Anatolia.
-
B.
Turkish State Railways
Turkish State Railways is Turkey’s national railway company, responsible for operating and maintaining the country’s rail transport network, including high-speed train services.
-
C.
Istanbul tram network
The Istanbul tram network is a modern urban rail system that forms a key part of the city’s public transport, linking major districts on the European side and connecting seamlessly with metro, bus, and ferry services.
-
D.
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.
-
E.
Istanbul Metro
The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
- 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_69c68889a2748190a316c5e65360361a |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e88ec6a8819083cbc3f4c39b8c79 |
completed | March 27, 2026, 8:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7b9281e808190ac2a8ad585a70ea0 |
completed | March 28, 2026, 11:19 a.m. |
| NEDg | Description generation | batch_69c7b9993f40819098c59865a3e64532 |
completed | March 28, 2026, 11:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7ba4f196c8190b29e6ddc091f11a6 |
completed | March 28, 2026, 11:23 a.m. |
Created at: March 27, 2026, 2:48 p.m.