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A vector database, vector store or vector search engine is a database that can store vectors (fixed-length lists of numbers) along with other data items. Vector databases typically implement one or more Approximate Nearest Neighbor algorithms, [1] [2] [3] so that one can search the database with a query vector to retrieve the closest matching database records.
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.
BlueBorne is a type of security vulnerability with Bluetooth implementations in Android, iOS, Linux and Windows. [1] [2] [3] It affects many electronic devices such as laptops, smart cars, smartphones and wearable gadgets. One example is CVE-2017-14315. The vulnerabilities were first reported by Armis, the asset intelligence cybersecurity ...
In cryptography, an initialization vector (IV) or starting variable [1] is an input to a cryptographic primitive being used to provide the initial state. The IV is typically required to be random or pseudorandom , but sometimes an IV only needs to be unpredictable or unique.
Mobile security, or mobile device security, is the protection of smartphones, tablets, and laptops from threats associated with wireless computing. [1] It has become increasingly important in mobile computing. The security of personal and business information now stored on smartphones is of particular concern. [2]
Goldwasser/Micali subsequently demonstrated that semantic security is equivalent to another definition of security called ciphertext indistinguishability under chosen-plaintext attack. [5] This latter definition is more common than the original definition of semantic security because it better facilitates proving the security of practical ...
If, however, the receiver wants to search for a specific record in the database, this becomes very difficult. There are some Public Key encryption schemes that allow keyword search, [1] [2] [3] however these schemes all require search time linear in the database size. If the database entries were encrypted with a deterministic scheme and sorted ...
Semantic queries work on named graphs, linked data or triples. This enables the query to process the actual relationships between information and infer the answers from the network of data. This is in contrast to semantic search, which uses semantics (meaning of language constructs) in unstructured text to produce a