Recently, Becker and Geiger and Bafna, Berman and Fujito gave 2-approximation algorithms for the feedback vertex set problem in undirected graphs. We show how their algorithms can...
Factor is a new dynamic object-oriented programming language. It began as an embedded scripting language and evolved to a mature application development language. The language has...
In order to solve the low efficiency problem of directly querying single node probability in the set of all ordinary XML data obtained by enumerating possible world set of the cor...
When modifying or debugging a software system, among other tasks, developers must often understand and manipulate source code that crosscuts the system’s structure. These tasks ...
The management of natural resources is an intricate and consequential task. In particular, water management is at the forefront of public policy priorities in many countries becaus...