Semantic search

Semantic search denotes search with meaning, as distinguished from lexical search where the search engine looks for literal matches of the query words or variants of them, without understanding the overall meaning of the query.^[1] Semantic search seeks to improve search accuracy by understanding the searcher's intent and the contextual meaning of terms as they appear in the searchable dataspace, whether on the Web or within a closed system, to generate more relevant results.

Some authors regard semantic search as a set of techniques for retrieving knowledge from richly structured data sources like ontologies and XML as found on the Semantic Web.^[2] Such technologies enable the formal articulation of domain knowledge at a high level of expressiveness and could enable the user to specify their intent in more detail at query time.^[3]The articulation enhances content relevance and depth by including specific places, people, or concepts relevant to the query. ^[4]

• List of search engines
• Semantic web
• Semantic unification
• Resource Description Framework
• Natural language search engine
• Semantic query
• Vector database
• Word embeddings

• Semantic Search 2008 Workshop at ESWC'08
• Workshop on Exploiting Semantic Annotations in Information Retrieval at ECIR'08.

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