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Big Data
What is semantic search, and how does it differ from traditional keyword-based searching? This article will delve into the world of semantic search, exploring its core components: embeddings, similarity, and vector databases. Traditional search engines rely on keywords and Boolean operators to retrieve relevant results. However, this approach often falls short in capturing nuances of language, leading to irrelevant or incomplete results. Semantic search seeks to bridge this gap by understanding the meaning and context behind a query. To achieve this, semantic search employs two primary techniques: word embeddings and similarity measures. Word Embeddings =============== Word embeddings are mathematical representations of words as vectors. These vectors capture subtle relationships between words, such as synonyms, antonyms, and associations. The most popular embedding technique is Word2Vec, which generates vectors using continuous bag-of-words (CBOW) or skip-gram models. Similarity Measures ================== Semantic search relies heavily on similarity measures to determine the relevance of results. These measures assess the distance between query embeddings and document embeddings. Popular algorithms include cosine similarity, Jaccard similarity, and Levenshtein distance. Vector Databases ================ To store and retrieve these complex vector representations efficiently, semantic search uses vector databases (VecDBs). VecDBs are optimized for fast lookup and querying of high-dimensional vectors. This enables rapid retrieval of relevant documents, even in large-scale datasets. Conclusion ========== In conclusion, semantic search is a powerful technology that moves beyond traditional keyword-based searching by leveraging word embeddings, similarity measures, and vector databases. As the digital landscape continues to evolve, semantic search will play an increasingly important role in enabling more accurate, context-aware search results. SKIP
admin
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August 9, 2024
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Big Data
Rockset’s innovative approach to vector search on a massive scale within the cloud revolves around constructing a novel data structure called the “packed inverted index.” This cutting-edge architecture enables rapid querying of large-scale datasets, thereby empowering users to uncover meaningful insights from their vast collections. The packed inverted index cleverly leverages the power of bit-packing and parallel processing to accelerate query execution, thus making it feasible to handle massive volumes of data with ease.
admin
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July 28, 2024
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Cloud Computing
Vector seek for Amazon MemoryDB is now usually out there
admin
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July 11, 2024
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Artificial Intelligence
Selecting the Proper Vector Embedding Mannequin for Your Generative AI Use Case
admin
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July 5, 2024
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