Triple
T7175693
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Istanbul Metro |
E167312
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
M49 line
The M49 line is a rapid transit route within the Istanbul Metro system, serving as part of the city's urban rail network.
|
E651104
|
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: M49 line | Statement: [Istanbul Metro, hasLine, M49 line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M49 line Context triple: [Istanbul Metro, hasLine, M49 line]
-
A.
M45 line
The M45 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest city.
-
B.
M31 line
The M31 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
C.
M42 line
The M42 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
D.
M33 line
The M33 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
E.
M36 line
The M36 line is a metro route within the Istanbul Metro system that serves as part of the city's rapid transit network.
- 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: M49 line Triple: [Istanbul Metro, hasLine, M49 line]
Generated description
The M49 line is a rapid transit route within the Istanbul Metro system, serving as part of the city's urban rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: M49 line Target entity description: The M49 line is a rapid transit route within the Istanbul Metro system, serving as part of the city's urban rail network.
-
A.
M45 line
The M45 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest city.
-
B.
M31 line
The M31 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
C.
M42 line
The M42 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
D.
M33 line
The M33 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
E.
M36 line
The M36 line is a metro route within the Istanbul Metro system that serves as part of the city's rapid transit network.
- 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_69c7cbdf32d48190a2d24914c3529160 |
completed | March 28, 2026, 12:38 p.m. |
| NEDg | Description generation | batch_69c7cc86efa481909b0d6cb04755efde |
completed | March 28, 2026, 12:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7cd1d5ac08190bb085530c647a54c |
completed | March 28, 2026, 12:44 p.m. |
Created at: March 27, 2026, 2:48 p.m.