Triple
T2049988
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Helwan |
E45541
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Cairo Metro Line 1 |
E138707
|
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 Metro Line 1 | Statement: [Helwan, servedBy, Cairo Metro Line 1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cairo Metro Line 1 Context triple: [Helwan, servedBy, Cairo Metro Line 1]
-
A.
Cairo Metro Line 1
chosen
Cairo Metro Line 1 is the first and one of the main rapid transit lines in Cairo’s metro system, connecting key districts across the city and serving central areas such as downtown near Tahrir Square.
-
B.
Cairo Metro Line 2
Cairo Metro Line 2 is a major rapid transit line in Cairo’s metro system that runs roughly north–south through the city, connecting key districts and central hubs.
-
C.
Abu Qir suburban line
The Abu Qir suburban line is a commuter rail service in Alexandria, Egypt, providing frequent local train connections between central Alexandria and its northeastern suburbs along the Mediterranean coast.
-
D.
Cairo–Port Said line
The Cairo–Port Said line is a major Egyptian railway route linking the capital Cairo with the Mediterranean port city of Port Said, serving as a key axis for passenger and freight transport in the Nile Delta.
-
E.
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.
- 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_69a8891948208190ab7898da21824c77 |
completed | March 4, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69abb98e10d48190bb96cd1f8ea3c08b |
completed | March 7, 2026, 5:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae2007386481908b46c7bc2db8e4dd |
completed | March 9, 2026, 1:19 a.m. |
Created at: March 4, 2026, 7:39 p.m.