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The notion of a three-schema model was first introduced in 1975 by the ANSI/X3/SPARC three level architecture, which determined three levels to model data. [1] The three-schema approach, or three-schema concept, in software engineering is an approach to building information systems and systems information management that originated in the 1970s.
IRC ( Internet Relay Chat) is a text-based chat system for instant messaging. IRC is designed for group communication in discussion forums, called channels, [1] but also allows one-on-one communication via private messages [2] as well as chat and data transfer, [3] including file sharing.
mattermost .com. Mattermost is an open-source, self-hostable online chat service with file sharing, search, and integrations. It is designed as an internal chat for organisations and companies, and mostly markets itself as an open-source alternative to Slack [6] [7] and Microsoft Teams .
An SQL select statement and its result. In computing, a database is an organized collection of data or a type of data store based on the use of a database management system ( DBMS ), the software that interacts with end users, applications, and the database itself to capture and analyze the data. The DBMS additionally encompasses the core ...
Lark (software) Lark Suite is a cloud-based business-to-business (B2B) super-app with a collection of collaboration and productivity tools, sold and marketed by Lark. It consists of Email, Approvals, Calendar, Video-Conferencing, Meeting Minutes, Rooms, Webinar, Base, Wiki, and Messenger along with Open API and AnyCross for integration.
Centralized database. A centralized database (sometimes abbreviated CDB) is a database that is located, stored, and maintained in a single location. This location is most often a central computer or database system, for example a desktop or server CPU, or a mainframe computer. In most cases, a centralized database would be used by an ...
League of Legends uses the Riak CRDT implementation for its in-game chat system, which handles 7.5 million concurrent users and 11,000 messages per second. Bet365, stores hundreds of megabytes of data in the Riak implementation of OR-Set. TomTom employs CRDTs to synchronize navigation data between the devices of a user.
ChatGPT is a chatbot developed by OpenAI and launched on November 30, 2022. Based on large language models (LLMs), it enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. Successive user prompts and replies are considered at each conversation stage as context.