Complex sentence: A knowledge base (or knowledgebase; abbreviated KB, kb or Δ) is a special kind of database for knowledge management, providing the means for the computerized collection, organization, and retrieval of knowledge.
Split into simpler sentences: A knowledge base (or knowledgebase; abbreviated KB, kb or Δ) is a special kind of database for knowledge management. It provides the means for the computerized collection, organization, and retrieval of knowledge.