Enterprise AI has a data problem. Despite billions in investment and increasingly capable language models, most organizations still can't answer basic analytical questions about their document ...

Processing Aggregate Queries over Continuous Data Streams Johannes Gehrke, Cornell University In this talk, I will describe techniques for giving approximate answers ...

Count queries are probably the most-used aggregate queries in a relational database. Counting is a fundamental operation required for many CRUD applications like sorting, pagination, and searching.