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Found here some explanations and definitions about semantic spaces. Paste it here for someone else more experienced than me to evaluate it and maybe include something in the main page.

Semantic search

Semantic search improves the accuracy of search results by understanding the intent and context behind a user's query. Unlike traditional search engines that rely solely on keywords, semantic search takes into account the meaning of words, phrases, and the relationships between them, offering a far more precise and user-friendly experience.

Extract meaning and intent

When a user enters a search query, the semantic search system extracts that user’s meaning and intent by analyzing the words and phrases used in the query, as well as synonyms, related terms and relationships between words. For example, if a user searches for "Taiwan Strait," the search engine might also consider terms like "Taiwan independence," "One China policy," and "Cross-Strait relations" as relevant to the query.

Achieve greater relevance

Semantic search then breaks each word or piece of text down into chunks which get mapped in the "semantic space." The semantic space is a mathematical framework where words with similar meanings or semantic relationships are represented as nearby vectors in a multidimensional space. Words with different meanings or unrelated semantic concepts are vectors that are represented farther apart. The distance between points in the semantic space reflects the degree of semantic similarity between the corresponding words or pieces of text. The closer they are in the semantic space, the higher the relevancy.

Semantic search systems utilize machine learning models to continuously refine and update the semantic space based on user interactions and feedback. This allows the system to adapt and improve its understanding of language nuances and user intent over time, resulting in more accurate and relevant search results. Ultimately, semantic search revolutionizes information retrieval by enabling a deeper understanding of language semantics and providing users with more precise and contextually relevant information.

I found something interesting also here but I could only read the abstract because the full article required a paid subscription or an institutional access to be read.

Thanks in advance to anyone who can help 95.252.103.8 (talk) 04:38, 8 October 2025 (UTC)[reply]