Triple

T11074461
Position Surface form Disambiguated ID Type / Status
Subject B lymphocytes E261828 entity
Predicate express P88336 FINISHED
Object CD21
CD21 is a complement receptor (CR2) found on B cells and follicular dendritic cells that plays a key role in B cell activation and the immune response.
 E902889 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: CD21 | Statement: [B lymphocytes, express, CD21]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CD21
Context triple: [B lymphocytes, express, CD21]
  • A. CD46
    CD46 is a human cell-surface complement regulatory protein that also serves as an entry receptor for various pathogens, including certain adenoviruses and measles virus.
  • B. CD38
    CD38 is a cell surface glycoprotein with ectoenzyme and receptor functions, highly expressed on plasma cells and targeted in therapies for multiple myeloma and other hematologic malignancies.
  • C. CD20 protein
    CD20 protein is a cell-surface antigen found primarily on B lymphocytes and is a key therapeutic target in certain autoimmune diseases and B-cell malignancies.
  • D. IL-64
    IL-64 is a major east–west state highway in Illinois that runs from the Mississippi River through the Chicago metropolitan area.
  • E. CD32
    CD32 is a low-affinity Fc gamma receptor (FcγRII) found on various immune cells that plays a key role in modulating antibody-dependent immune responses.
  • 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: CD21
Triple: [B lymphocytes, express, CD21]
Generated description
CD21 is a complement receptor (CR2) found on B cells and follicular dendritic cells that plays a key role in B cell activation and the immune response.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CD21
Target entity description: CD21 is a complement receptor (CR2) found on B cells and follicular dendritic cells that plays a key role in B cell activation and the immune response.
  • A. CD46
    CD46 is a human cell-surface complement regulatory protein that also serves as an entry receptor for various pathogens, including certain adenoviruses and measles virus.
  • B. CD38
    CD38 is a cell surface glycoprotein with ectoenzyme and receptor functions, highly expressed on plasma cells and targeted in therapies for multiple myeloma and other hematologic malignancies.
  • C. CD20 protein
    CD20 protein is a cell-surface antigen found primarily on B lymphocytes and is a key therapeutic target in certain autoimmune diseases and B-cell malignancies.
  • D. IL-64
    IL-64 is a major east–west state highway in Illinois that runs from the Mississippi River through the Chicago metropolitan area.
  • E. CD32
    CD32 is a low-affinity Fc gamma receptor (FcγRII) found on various immune cells that plays a key role in modulating antibody-dependent immune responses.
  • 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_69d6aa9983c08190b0ef61603b69feac completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7994e32fc8190a6591d9e82b68f75 completed April 9, 2026, 12:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69e3c8cc77988190aad54f56dbd0f8cf completed April 18, 2026, 6:09 p.m.
NEDg Description generation batch_69e3cefc00148190a1850dc6e31523c3 completed April 18, 2026, 6:35 p.m.
NED2 Entity disambiguation (via description) batch_69e3d014a644819092c76aa02b573ca9 completed April 18, 2026, 6:40 p.m.
Created at: April 8, 2026, 9:26 p.m.