Triple

T18021185
Position Surface form Disambiguated ID Type / Status
Subject Superior vena cava E431119 entity
Predicate formedBy P972 FINISHED
Object right brachiocephalic vein
The right brachiocephalic vein is a major vein in the upper chest that drains blood from the right side of the head, neck, and upper limb and contributes to the formation of the superior vena cava.
 E1301603 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: right brachiocephalic vein | Statement: [Superior vena cava, formedBy, right brachiocephalic vein]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: right brachiocephalic vein
Context triple: [Superior vena cava, formedBy, right brachiocephalic vein]
  • A. Superior vena cava
    The superior vena cava is a large vein that returns deoxygenated blood from the upper body to the right atrium of the heart.
  • B. Vena Canal
    Vena Canal is a principal waterway running through the historic fishing town of Chioggia in Italy’s Venetian lagoon.
  • C. Inferior vena cava
    The inferior vena cava is a large vein that carries deoxygenated blood from the lower half of the body back to the heart.
  • D. Pulmonary veins
    The pulmonary veins are blood vessels that carry oxygen-rich blood from the lungs to the left atrium of the heart.
  • E. Pulmonary artery
    The pulmonary artery is the large blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
  • 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: right brachiocephalic vein
Triple: [Superior vena cava, formedBy, right brachiocephalic vein]
Generated description
The right brachiocephalic vein is a major vein in the upper chest that drains blood from the right side of the head, neck, and upper limb and contributes to the formation of the superior vena cava.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: right brachiocephalic vein
Target entity description: The right brachiocephalic vein is a major vein in the upper chest that drains blood from the right side of the head, neck, and upper limb and contributes to the formation of the superior vena cava.
  • A. Superior vena cava
    The superior vena cava is a large vein that returns deoxygenated blood from the upper body to the right atrium of the heart.
  • B. Vena Canal
    Vena Canal is a principal waterway running through the historic fishing town of Chioggia in Italy’s Venetian lagoon.
  • C. Inferior vena cava
    The inferior vena cava is a large vein that carries deoxygenated blood from the lower half of the body back to the heart.
  • D. Pulmonary veins
    The pulmonary veins are blood vessels that carry oxygen-rich blood from the lungs to the left atrium of the heart.
  • E. Pulmonary artery
    The pulmonary artery is the large blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
  • 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_69d8b904530081908bf341d842464856 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4b9c299c48190b0cceecf77cb6de9 completed April 19, 2026, 11:17 a.m.
NED1 Entity disambiguation (via context triple) batch_6a034328fef08190a3f78f8bee859d24 completed May 12, 2026, 3:11 p.m.
NEDg Description generation batch_6a03447c0530819082d554592eec03ca completed May 12, 2026, 3:17 p.m.
NED2 Entity disambiguation (via description) batch_6a034552e424819087b23bcf3f688523 completed May 12, 2026, 3:20 p.m.
Created at: April 10, 2026, 10:24 a.m.