Explore the revolutionary world of semantic search in this 25-minute talk by Nils Reimers. Delve into the limitations of traditional lexical search systems and discover how pre-trained transformer networks have dramatically improved search capabilities. Learn about the semantic vector space that encodes document meanings, overcoming challenges posed by synonyms and spelling variations. Understand the advantages of semantic search in multilingual and cross-lingual contexts, supporting over 100 languages. Gain insights into training embedding models, addressing language bias, and implementing advanced search solutions. Perfect for machine learning, NLP, and AI enthusiasts looking to enhance their skills or integrate cutting-edge search technology into their projects.