A series-parallel directed acyclic graph, or SP-dag, contains nodes that are either in series or logically in parallel. We present a data structure and algorithm to efficiently determine, in a single serial walk of the dag, whether two nodes are…

La formation des sociétés fondées sur la connaissance, le progrès de la technologie de communications et un meilleur échange d'informations au niveau mondial permet une meilleure utilisation des connaissances produites lors des décisions prises dans le système de santé. Dans…

A qualitative study of willingness to use a proposed male contraceptive pill and an exploration of attitudes towards a male contraceptive pill among a group contraceptive users in an English region., BACKGROUND. Small scale trials of male hormonal contraception have…

The topic of this research is about the exploration of the actual colour scenario, from an Italian perspective analysis to an international one, with the aim to understand the characteristics and the needs of a complex system of disciplines and…

Palm leaves are an important resource for family households. The effect of harvest on leaf production, growth and fecundity of wild individual palm trees has been studied, but little is known about palm harvest in agro-forestry systems. In the Maya…

Previous research on corporate household and corporate householding has presented
examples, literature review, and working definitions. In this paper, we first improve our
understanding of the area by developing a typology of corporate householding tasks
and knowledge…

Information Retrieval Systems normally deal with keywordbased technologies. Although those systems reach satisfactory results, they aren’t able to answer more complex queries done by users, especially those directly in natural language. To do that, there are the KnowledgeBased Systems, which…

This paper describes a natural language system START. The system analyzes English text and automatically transforms it into an appropriate representation, the knowledge base, which incorporates the information found in the text. The user gains access to information stored in…

Competence approaches are among the techniques that claim to measure the behaviour, skills, knowledge and understanding crucial to effective managerial performance. It is claimed that competence approaches empower and develop managers while enabling them to meet organizational objectives. Since the…

Although our biological knowledge regarding cactus species is thorough in many areas, only in recent years have ecologists addressed their demographic behavior. Here we attempt a first review of the present knowledge on cactus demography, including an analysis of the…