Juan A. Gimeno

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Nowadays Multi-Agent Systems require more and more regulation and normative mechanisms in order to assure the correct and secure execution of the interactions and transactions in the open virtual organization they are implementing. The Electronic Institution approach for developing Multi-Agent Systems implements some enforce-ability mechanisms in order to(More)
We present a MAS decision support tool, as an open and regulated virtual organization, that uses intelligent agents to manage a flexible water-right market. The application goal of this tool is to be used as a simulator to assist in decision-taking processes for policy makers. The simulator focuses on demands and, in particular, on the type of regulatory(More)
In countries like Spain, and particularly in its Mediterranean coast, there is a high degree of public awareness of the main consequences of the scarcity of water and the need of fostering efficient use of water resources. Two new mechanisms for water management already under way are: a heated debate on the need and feasibility of transferring water from(More)
BACKGROUND Elevated serum phosphorus has been identified as a cardiovascular risk factor. This study aimed to assess the effectiveness of dietary intervention to reduce phosphorus intake and to improve the calcium-phosphorus metabolism in hemodialysis patients. DESIGN Patients were included in a 6-month, 2-group experimental study if their previous(More)
OBJECTIVE A pilot study to assess the feasibility of implementing a hospital protocol for systematic nutritional screening of admitted patients. METHOD Descriptive cross-sectional study. Patients admitted to the Orthopedic Surgery Department of the Regional Hospital of Alcañiz were systematically included within the first 48 hours of hospitalization, from(More)
We studied the features of acute renal failure (ARF) in elderly patients treated in a hospital, without an intensive care unit, to identify etiological factors and establish adequate preventive measures and treatment. During twelve consecutive months we studied prospectively 99 patients with ARF diagnosed by conventional criteria, an incidence of 1,238(More)
OBJECTIVES Inadequate nutrient intake seems to be one of the most important cause of malnutrition in hemodialysis patients. The purpose of this study was to analyse their nutrient intake and eating habits, comparing food groups' intake with standard Mediterranean diet values (Healthy Diet Guide 2004, Nutrition Community Spanish Society). MATERIAL AND(More)
Protein calorie malnutrition is a common complication in chronic hemodialysis patients (CHP). Although many factors could promote malnutrition, inadequate nutrient intake seems to be one of the most important. An Appetite and Diet Assessment Questionnaire (ADAQ) was developed, and we have performed a cross-sectional study in 44 CHP to investigate its(More)
BACKGROUND Hypertension is common in type 2 diabetes with diabetic nephropathy, and increases the risk of cardiovascular complications and renal chronic insufficiency. The aim of our evaluation in these patients was: a) to study the correlation between office blood pressure (BP), self-monitored (SMBP) and 24-hour ambulatory blood pressure monitoring (ABPM).(More)