Triple
T1196075
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tahrir Square |
E25669
|
entity |
| Predicate | hasNearbyInfrastructure |
P231
|
FINISHED |
| Object |
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.
|
E139634
|
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: Cairo Metro Line 2 | Statement: [Tahrir Square, hasNearbyInfrastructure, Cairo Metro Line 2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cairo Metro Line 2 Context triple: [Tahrir Square, hasNearbyInfrastructure, Cairo Metro Line 2]
-
A.
Cairo Metro Line 1
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.
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.
-
C.
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.
-
D.
Ramses Station, Cairo
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.
-
E.
Cairo–Alexandria line
The Cairo–Alexandria line is Egypt’s primary intercity railway route linking the capital Cairo with the Mediterranean port city of Alexandria and carrying a large share of the country’s passenger and freight traffic.
- 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: Cairo Metro Line 2 Triple: [Tahrir Square, hasNearbyInfrastructure, Cairo Metro Line 2]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cairo Metro Line 2 Target entity description: 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.
-
A.
Cairo Metro Line 1
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.
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.
-
C.
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.
-
D.
Ramses Station, Cairo
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.
-
E.
Cairo–Alexandria line
The Cairo–Alexandria line is Egypt’s primary intercity railway route linking the capital Cairo with the Mediterranean port city of Alexandria and carrying a large share of the country’s passenger and freight traffic.
- 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_69a49429f5ec8190a6a205eb0ae81e5e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd7a756c819085d695acfffeaceb |
completed | March 1, 2026, 10:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac831703bc8190839deb02075cb8fd |
completed | March 7, 2026, 7:57 p.m. |
| NEDg | Description generation | batch_69ac838fc3d08190aa43d7f2767fe7d2 |
completed | March 7, 2026, 7:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac8425ab408190a25c0f5db40ae77f |
completed | March 7, 2026, 8:01 p.m. |
Created at: March 1, 2026, 7:46 p.m.