Triple

T13160918
Position Surface form Disambiguated ID Type / Status
Subject Addis Ababa–Djibouti Railway E312722 entity
Predicate replaced P101 FINISHED
Object Ethiopian–Djibouti Railway
The Ethiopian–Djibouti Railway was a historic metre-gauge rail line linking landlocked Ethiopia to the port of Djibouti, serving as a vital trade and transport corridor in the Horn of Africa for much of the 20th century.
E1025951 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: Ethiopian–Djibouti Railway | Statement: [Addis Ababa–Djibouti Railway, replaced, Ethiopian–Djibouti Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ethiopian–Djibouti Railway
Context triple: [Addis Ababa–Djibouti Railway, replaced, Ethiopian–Djibouti Railway]
  • A. Addis Ababa–Djibouti Railway
    The Addis Ababa–Djibouti Railway is a modern electrified standard-gauge rail line linking Ethiopia’s capital Addis Ababa with the port city of Djibouti, serving as a key trade and transport corridor for landlocked Ethiopia.
  • B. Ethiopian north–south trunk road
    The Ethiopian north–south trunk road is a major arterial highway that runs the length of Ethiopia, linking key towns and cities such as Wukro and serving as a primary route for national transport and trade.
  • C. Djibouti–Addis Ababa road corridor
    The Djibouti–Addis Ababa road corridor is a major international transport route linking landlocked Ethiopia to global markets via Djibouti, serving as a critical artery for regional trade and logistics in the Horn of Africa.
  • D. Bamako–Dakar Railway
    The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
  • E. Cairo–Aswan railway line
    The Cairo–Aswan railway line is a major Egyptian rail corridor running along the Nile Valley, connecting the capital Cairo with the southern city of Aswan and serving key urban centers in between.
  • 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: Ethiopian–Djibouti Railway
Triple: [Addis Ababa–Djibouti Railway, replaced, Ethiopian–Djibouti Railway]
Generated description
The Ethiopian–Djibouti Railway was a historic metre-gauge rail line linking landlocked Ethiopia to the port of Djibouti, serving as a vital trade and transport corridor in the Horn of Africa for much of the 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ethiopian–Djibouti Railway
Target entity description: The Ethiopian–Djibouti Railway was a historic metre-gauge rail line linking landlocked Ethiopia to the port of Djibouti, serving as a vital trade and transport corridor in the Horn of Africa for much of the 20th century.
  • A. Addis Ababa–Djibouti Railway
    The Addis Ababa–Djibouti Railway is a modern electrified standard-gauge rail line linking Ethiopia’s capital Addis Ababa with the port city of Djibouti, serving as a key trade and transport corridor for landlocked Ethiopia.
  • B. Ethiopian north–south trunk road
    The Ethiopian north–south trunk road is a major arterial highway that runs the length of Ethiopia, linking key towns and cities such as Wukro and serving as a primary route for national transport and trade.
  • C. Djibouti–Addis Ababa road corridor
    The Djibouti–Addis Ababa road corridor is a major international transport route linking landlocked Ethiopia to global markets via Djibouti, serving as a critical artery for regional trade and logistics in the Horn of Africa.
  • D. Bamako–Dakar Railway
    The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
  • E. Cairo–Aswan railway line
    The Cairo–Aswan railway line is a major Egyptian rail corridor running along the Nile Valley, connecting the capital Cairo with the southern city of Aswan and serving key urban centers in between.
  • 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_69d806ac3ee081909b2fd27d060aa974 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98c0971008190869e9de710f4c579 completed April 10, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6f5df07ec8190be64ed80d7e220b7 completed May 3, 2026, 7:14 a.m.
NEDg Description generation batch_69f6f694f8c48190adce4cddbf63777f completed May 3, 2026, 7:17 a.m.
NED2 Entity disambiguation (via description) batch_69f6f7d8bfa0819097b3d9175bc56933 completed May 3, 2026, 7:23 a.m.
Created at: April 9, 2026, 9:12 p.m.