Abstract. We consider the problem of query containment for conjunctive queries with the safe negation property. Some necessary conditions for this problem are given. A part of the ...
- A new system of curriculum evaluation of formative assessment has been established in secondary education system in China for seven years. Attention has been given to teaching an...
In this paper, we address a real life waste collection vehicle routing problem with time windows (VRPTW) with consideration of multiple disposal trips and drivers' lunch brea...
The business of software development is solving problems. Following Polya, we can increase our ability to solve problems by focusing directly on problems themselves, on their part...
In the efficient social choice problem, the goal is to assign values, subject to side constraints, to a set of variables to maximize the total utility across a population of agent...