Triple
T14036893
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 1 (Athens Metro) |
E337735
|
entity |
| Predicate | formerlyKnownAs |
P65
|
FINISHED |
| Object | Athens–Piraeus Electric Railways |
E938491
|
NE FINISHED |
How this triple was built (2 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: Athens–Piraeus Electric Railways | Statement: [Line 1 (Athens Metro), formerlyKnownAs, Athens–Piraeus Electric Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Athens–Piraeus Electric Railways Context triple: [Line 1 (Athens Metro), formerlyKnownAs, Athens–Piraeus Electric Railways]
-
A.
Athens Metro
The Athens Metro is the rapid transit system serving Greece's capital, combining modern underground lines with some of the world’s oldest continuously operating urban rail infrastructure.
-
B.
Athens Suburban Railway
The Athens Suburban Railway is a regional rail network serving the greater Athens metropolitan area, connecting the city with its international airport and surrounding regions.
-
C.
Athens Metro Line 1
chosen
Athens Metro Line 1 is the oldest line of the Athens Metro system, running mostly overground and connecting the northern suburbs with the city center and the port of Piraeus.
-
D.
Athens tram network
The Athens tram network is a modern light rail system in Athens, Greece, connecting key coastal and central districts and serving as an important component of the city's public transportation.
-
E.
Athens Metro Line 3
Athens Metro Line 3 is a major rapid transit line of the Athens Metro system that connects central Athens with key suburbs and the Athens International Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de30e312148190a6be0a3258364e6e |
completed | April 14, 2026, 12:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcdef7a6d881909297d74ae60f7681 |
completed | May 7, 2026, 6:50 p.m. |
Created at: April 9, 2026, 10:20 p.m.