利用人工智能和语义搜索进行信息检索.pptx

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1、Redefining Search:The impact of AI on information retrieval,Sparse and Dense Vectors,JC Ghiringhelli Senior Applications Architect,Inverted indices,2,TF-IDF,Term Frequency Inverted Document Frequency,3,Term collapse&expansion,4,Semantic Search,Everything to Vectors,Semantic Search,Word2Vec,6,Semanti

2、c Search,Vectorial representation,7,Semantic Search,Vectorial Space,8,Semantic Search,Vectorial Semantics,9,Semantic Search,Hierarchical Navigable Small World,10,Semantic Search,Multimodal Search,11,BERT:Bidirectional Encodings Word masking and next sentence,12,Generative Models,RAG,13,Generative Mo

3、dels,GraphRAG,14,What to use,16,Query time analyzers and relevancy score,BM25:Term frequency/Inverted document frequencyAttribute boosting,several attributesUsage metricsSemantic search Query expansionOntologyTaxonomy,UI enhancements,It is more than just Index Search,17,Metrics,How do we measure relevancy,Metrics,19,Metrics,Collections Signals,20,Conclusion,Impact,Industrial revolutions,Automation!,22,Final thoughts,Search is More than Indexing,23,