We study two classes of summary-based cardinality estima tors that use statistics about input relations and joins of a small number of input relations: (i) optimistic estimators, which were defined in ...

Abstract: Cyber-attacks are happening every day, with a variety of behaviors and objects. For example, email spammers may compromise computers to sign-up millions of email accounts for sending spam ...

Paid media is often treated like a checklist item in a marketing plan: launch a few search ads, run a Meta campaign, maybe test YouTube if there’s budget left. But not all paid media is created equal, ...

Cardinality estimation (CE) is crucial in optimizing query performance in relational databases. It involves predicting the number of intermediate results a database query will return, directly ...

Any time a rebellious cop plays by their own rules, a victim trips while running from a killer, or the hero finds a henchman who wears the exact same size as them, that’s a movie trope. Understanding ...

Abstract: We describe an intuitive and practically significant empirical phenomenon that relates to the concept of cardinality of a fuzzy set, namely, an excessive accumulation of small degrees of ...

As education becomes more an experience of learning in the digital age, technologies play a pivotal role in reshaping the learning experiences of K-12 students. From interactive applications to ...

In trauma psychology, “being triggered” means that something has activated a person’s post-traumatic stress disorder (PTSD) symptoms. This could include emotions, physical symptoms, or flashbacks.