Triple
T1317364
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cairo–Port Said line |
E28134
|
entity |
| Predicate | startPoint |
P389
|
FINISHED |
| Object | Cairo railway station |
E27513
|
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: Cairo railway station | Statement: [Cairo–Port Said line, startPoint, Cairo railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cairo railway station Context triple: [Cairo–Port Said line, startPoint, Cairo railway station]
-
A.
Alexandria Misr Station
Alexandria Misr Station is a major railway station in Alexandria, Egypt, serving as a key passenger and transport hub within the national rail network.
-
B.
Giza railway station
Giza railway station is a major rail hub in the city of Giza, Egypt, serving as a key stop on national and regional train routes, including those connecting to Cairo and Upper Egypt.
-
C.
Ramses Station, Cairo
chosen
Ramses Station in Cairo is Egypt’s main central railway terminus and a historic transportation landmark connecting the capital with major cities across the country.
-
D.
Assiut railway station
Assiut railway station is a major rail transport hub in the city of Assiut in Upper Egypt, serving passenger and regional train services along the Nile Valley.
-
E.
Tanta railway station
Tanta railway station is a major rail hub in the Nile Delta region of Egypt, serving the city of Tanta and connecting it with key destinations such as Cairo and Alexandria.
- 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_69a498532c3481909223b74af2e578df |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c175079481909077cf11ed72d6fa |
completed | March 1, 2026, 10:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acc6255b808190823bc240365ed304 |
completed | March 8, 2026, 12:43 a.m. |
Created at: March 1, 2026, 7:55 p.m.