Triple

T13160923
Position Surface form Disambiguated ID Type / Status
Subject Addis Ababa–Djibouti Railway E312722 entity
Predicate operator P179 FINISHED
Object Ethiopian Railway Corporation
The Ethiopian Railway Corporation is a state-owned company responsible for developing, managing, and operating Ethiopia’s national railway network.
E1024450 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 Railway Corporation | Statement: [Addis Ababa–Djibouti Railway, operator, Ethiopian Railway Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ethiopian Railway Corporation
Context triple: [Addis Ababa–Djibouti Railway, operator, Ethiopian Railway Corporation]
  • A. Ethiopian Electric Power
    Ethiopian Electric Power is Ethiopia’s state-owned electric utility company responsible for generating and transmitting electricity nationwide, including managing major hydropower projects.
  • B. Ethiopian Airports Enterprise
    Ethiopian Airports Enterprise is a state-owned Ethiopian company responsible for managing, operating, and developing the country’s civil airports and related aviation infrastructure.
  • C. 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.
  • D. Ethiopian Civil Aviation Authority
    The Ethiopian Civil Aviation Authority is the national regulatory body responsible for overseeing and regulating civil aviation activities and safety standards in Ethiopia.
  • E. National Bank of Ethiopia
    The National Bank of Ethiopia is the central bank of Ethiopia, responsible for formulating monetary policy, regulating the banking sector, and maintaining the stability of the national financial system.
  • 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 Railway Corporation
Triple: [Addis Ababa–Djibouti Railway, operator, Ethiopian Railway Corporation]
Generated description
The Ethiopian Railway Corporation is a state-owned company responsible for developing, managing, and operating Ethiopia’s national railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ethiopian Railway Corporation
Target entity description: The Ethiopian Railway Corporation is a state-owned company responsible for developing, managing, and operating Ethiopia’s national railway network.
  • A. Ethiopian Electric Power
    Ethiopian Electric Power is Ethiopia’s state-owned electric utility company responsible for generating and transmitting electricity nationwide, including managing major hydropower projects.
  • B. Ethiopian Airports Enterprise
    Ethiopian Airports Enterprise is a state-owned Ethiopian company responsible for managing, operating, and developing the country’s civil airports and related aviation infrastructure.
  • C. 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.
  • D. Ethiopian Civil Aviation Authority
    The Ethiopian Civil Aviation Authority is the national regulatory body responsible for overseeing and regulating civil aviation activities and safety standards in Ethiopia.
  • E. National Bank of Ethiopia
    The National Bank of Ethiopia is the central bank of Ethiopia, responsible for formulating monetary policy, regulating the banking sector, and maintaining the stability of the national financial system.
  • 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_69f6eaf2ae688190b3484989791977ce completed May 3, 2026, 6:28 a.m.
NEDg Description generation batch_69f6ebec15188190a8a07af6eb447edf completed May 3, 2026, 6:32 a.m.
NED2 Entity disambiguation (via description) batch_69f6ec7fe56481909e1ed69df593fa34 completed May 3, 2026, 6:34 a.m.
Created at: April 9, 2026, 9:12 p.m.