- Key pairs consist of a public and private key, where you use the private
key to create a digital signature, and then AWS uses the corresponding
public key to validate the signature. Key pairs are used only for Amazon EC2 and
Amazon CloudFront.
For Amazon EC2, you use key pairs to access Amazon EC2 instances like when you use SSH to log in to a Linux instance. For more information, see Connecting to Amazon EC2 Instances in the Amazon Elastic Compute Cloud Developer Guide.
Vector Databases Usage: Typically used for vector search use cases such as visual, semantic, and multimodal search. More recently, they are paired with generative AI text models for conversational search experiences. Development Process: Begins with building an embedding model designed to encode a corpus (e.g., product images) into vectors. The data import process is referred to as data hydration. Application Development: Application developers utilize the database to search for similar products. This involves encoding a product image and using the vector to query for similar images. k-Nearest Neighbor (k-NN) Indexes: Within the model, k-nearest neighbor (k-NN) indexes facilitate efficient retrieval of vectors. A distance function like cosine is applied to rank results by similarity.
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