Many complex analysis problems can be most clearly and easily specified as logic rules and queries, where rules specify how given facts can be combined to infer new facts, and quer...
In previous papers we have proposed a graphical query language for expressing traversal recursions in labelled, directed graphs. A fundamental feature of the language is the use o...
: Language offers human beings the ability to exchange information. Whether the information is understood or not depends on the structure, complexity and knowledge of the language....
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
Region-based memory management offers several important potential advantages over garbage collection, including real-time performance, better data locality, and more efficient us...