German has a case system. This means that words, or the endings of words, have to change according to their function in a sentence. There are four cases, and three of them affect pronouns: nominative ...

Predicate pushdown is a widely adopted query optimization. Existing systems and prior work mostly use pattern-matching rules to decide when a predicate can be pushed through certain operators like ...

Relative pronouns can be translated as ‘who’, 'whom', ‘which’, ‘that’ or 'whose'.