Bit vector search index using shards

MJ Hopcroft, RL Goodwin - US Patent 10,565,198, 2020 - Google Patents
The technology described herein provides a bit vector search index for a search system that
uses shards. The bit vector search index comprises a data structure for indexing data about …

Match fix-up to remove matching documents

MJ Hopcroft, RL Goodwin, F Wang, U Jain - US Patent 11,281,639, 2022 - Google Patents
The technology described herein provides for a match fix-up stage that removes matching
documents identified for a search query that don't actually contain terms from the search …

Reducing matching documents for a search query

MJ Hopcroft, RL Goodwin, F Wang… - US Patent …, 2022 - Google Patents
The technology described herein provides for identifying matching documents for a search
query using a bit vector search index. When a search query is received, a term is identified …

Matching documents using a bit vector search index

MJ Hopcroft, RL Goodwin - US Patent 10,467,215, 2019 - Google Patents
The technology described herein provides for identifying matching documents for a search
query using a bit vector search index. When a search query is received, a term is identified …

Feature amount conversion apparatus, learning apparatus, recognition apparatus, and feature amount conversion program product

M Ambai, M Shimizu - US Patent App. 14/895,198, 2016 - Google Patents
(57) ABSTRACT A feature amount conversion apparatus includes a plurality of bit
rearrangement units, a plurality of logical operation units, and a feature integration unit. The …

Vectorized sorted-set intersection using conflict-detection SIMD instructions

B Schlegel, P Fender, M Brantner, H Chafi - US Patent 11,231,935, 2022 - Google Patents
Vectorized sorted-set intersection is performed using con flict-detection single instruction,
multiple data (SIMD) instructions. A first ordered subset of values of a first ordered set of …

Semantic search and retrieval over encrypted vector space

NTM Dupont, A Helle - US Patent 12,164,664, 2024 - freepatentsonline.com
A method and system for performing end-to-end encrypted semantic search and retrieval are
disclosed. The system is configured to perform semantic searches of encrypted data, using …

System and method for encrypted search using hash vectorization models

NTM Dupont, A Helle - US Patent 11,860,875, 2024 - Google Patents
An encrypted search uses hash vectorization (HV) models, which are secure, one-way hash
indices that are produced by a compression process, such as a modeling phase of Lempel …

System and method for generating filters for k-mismatch search

Z Frenkel, Z Volkovich - US Patent App. 17/671,902, 2022 - Google Patents
A computer system for executing k-mismatch searches, comprising at least one processor,
configured to: receive a size of a search term; receive a similarity threshold: and generate a …

System and method for generating filters for K-mismatch search

Z Frenkel, Z Volkovich - US Patent 11,250,064, 2022 - Google Patents
(57) ABSTRACT A computer system for executing k-mismatch searches, comprising at least
one processor, configured to: receive a size of a search term; receive a similarity threshold …