Triple
T15337286
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Phthiotis regional unit |
E366698
|
entity |
| Predicate | containsTransportCorridor |
P3034
|
FINISHED |
| Object | Piraeus–Thessaloniki railway line |
E1023988
|
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: Piraeus–Thessaloniki railway line | Statement: [Phthiotis regional unit, containsTransportCorridor, Piraeus–Thessaloniki railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piraeus–Thessaloniki railway line Context triple: [Phthiotis regional unit, containsTransportCorridor, Piraeus–Thessaloniki railway line]
-
A.
Athens–Thessaloniki railway
chosen
The Athens–Thessaloniki railway is Greece’s principal north–south mainline route, connecting the capital Athens with the northern port city of Thessaloniki and serving major intermediate cities along the way.
-
B.
Patras–Athens railway line
The Patras–Athens railway line is a major rail corridor in Greece connecting the port city of Patras in the Peloponnese with the capital city of Athens, serving as a key route for both passenger and freight transport.
-
C.
Athens–Corinth railway line
The Athens–Corinth railway line is a major rail corridor in Greece connecting the capital Athens with the city of Corinth and serving as a key part of the country’s mainline rail network.
-
D.
Paleofarsalos–Kalambaka railway line
The Paleofarsalos–Kalambaka railway line is a regional rail route in Thessaly, Greece, connecting the mainline network at Paleofarsalos with the town of Kalambaka near the Meteora rock formations.
-
E.
Piraeus–Chalkida line
The Piraeus–Chalkida line is a key Greek railway route connecting the port city of Piraeus and the Athens metropolitan area with the island city of Chalkida in Euboea.
- 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_69d85a1355608190a6673ddb67231d54 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03e11b22c81908280efe65acd5454 |
completed | April 16, 2026, 1:40 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff01f11b88819089342e8b088bc95e |
completed | May 9, 2026, 9:44 a.m. |
Created at: April 10, 2026, 3:17 a.m.