Patchindex system and method for updatable materialization of approximate constraints
Номер патента: ZA202301098B
Опубликовано: 25-10-2023
Автор(ы): Steffen KLÄBE, Stephan Baumann
Принадлежит: Actian Corp
Опубликовано: 25-10-2023
Автор(ы): Steffen KLÄBE, Stephan Baumann
Принадлежит: Actian Corp
Реферат: Aspects described herein relate to maintaining a dataset with approximate constraints including determining, for a dataset, a constraint collection of tuples that satisfy a constraint and an exception collection of tuples that are an exception to the constraint, constructing, for the dataset, a sharded bitmap of bits, wherein each bit in the sharded bitmap indicates whether a tuple in the dataset is in the exception collection of tuples, wherein the sharded bitmap includes, for each shard of multiple shards, a bitmap of bits and a starting bit location index within the sharded bitmap of bits for the shard, and processing a query on the dataset including processing the constraint collection of tuples and the exception collection of tuples based on the sharded bitmap.
Computer system and computer-implemented method for a guided query
Номер патента: WO2022106169A1. Автор: Gowri LATHARANI NATARAJA,Dmitry Ledentsov. Владелец: SIEMENS AKTIENGESELLSCHAFT. Дата публикации: 2022-05-27.