892 resultados para Distributed computer systems


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Clinical Decision Support Systems (CDSS) are software applications that support clinicians in making healthcare decisions providing relevant information for individual patients about their specific conditions. The lack of integration between CDSS and Electronic Health Record (EHR) has been identified as a significant barrier to CDSS development and adoption. Andalusia Healthcare Public System (AHPS) provides an interoperable health information infrastructure based on a Service Oriented Architecture (SOA) that eases CDSS implementation. This paper details the deployment of a CDSS jointly with the deployment of a Terminology Server (TS) within the AHPS infrastructure. It also explains a case study about the application of decision support to thromboembolism patients and its potential impact on improving patient safety. We will apply the inSPECt tool proposal to evaluate the appropriateness of alerts in this scenario.

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Introduction: Our goal was to know the web contents and examine the technical information pest control services available to users through their webpages. Method: A total of 70 webpages from biocides services in the province of Málaga (Spain) were analyzed. We used 15 evaluation indicators grouped into 5 parameters relating to data of the service provider; information’s reliability and services; accuracy of content and writing style; technical resources and interaction with the users. As test instruments were used sectoral legislation, official records of products and deliveries, standards and technical guides. Results: Companies showed a remarkable degree of awareness with the implementation and use of new technologies. Aspects negative that they can have an impact on the confidence of users, relating to the reliability of the information and deficiencies associated with the description of the services portfolio and credentials of the companies were identified. The integration and use of collaborative platforms 2.0 was poorly developed and squandered. Discussion: It is possible to improve the trust of users intervening in those aspects that affect the reliability of the information provided on the web.

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El present document dóna resposta a una proposta de l'empresa NewBourg Consultors SL per determinar la capacitat del mòdul de producció del programari lliure OpenBravo o d'un altre programari lliure per donar resposta a les necessitats de planificació, seguiment i control de la producció d'una empresa tèxtil pilot, industrial o manufacturera, de menys de 50 treballadors. Els principals objectius d'aquest treball són: analitzar el programari ERP lliure disponible actualment al mercat, valorar i seleccionar un o dos programaris adients per una empresa de fabricació, realitzar un estudi de viabilitat i anàlisi del sistema, i comprovar amb dades fictícies si el programa s'ajusta als requeriments de planificació i producció presentant un informe final.

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En aquest projecte es desenvolupa una aplicació FreeRTOS per a la mota LPC1769 connectada amb un mòdul WiFly que agafa un fitxer d'Internet, el comprimeix i el desa un altre cop a Internet tot afegint les estadístiques bàsiques de temps i percentatge de compressió.

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El objetivo del presente trabajo es medir en los sistemas distribuidos cuánto supone el coste energético con la utilización de máquinas virtuales en función de las tecnologías de almacenamiento empleadas y determinar si existen posibles estrategias que mejoren este ahorro de consumo.

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In the present work the prototype for a self-propelled embedded system with wireless connectivity has been carried out. The system is designed to receive commands from the Internet.

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Este proyecto desarrolla un aparato señalizador de esgrima o FSM (un dispositivo electrónico capaz de determinar si el arma de un esgrimista ha tocado la superficie válida del otro deportista en las condiciones de tiempo preestablecidas por el reglamento de esgrima), basado en la placa LPC1769 que permite la integración con un software de control remoto mediante un módulo WiFly RN-XV.

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Proyecto que recoge el estado del arte de los gestores de ventanas de GNU/Linux, incorporando un análisis y comparativa de los principales gestores de ventanas.

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Avaluació de les capacitats d'assolir requeriments de temps real de la línia principal de nucli de Linux.

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PURPOSE: Afferent asymmetry of visual function is detectable in both normal and pathologic conditions. With a computerized test, we assessed the variability in measuring afferent asymmetry of the pupillary light reflex, that is, the relative afferent pupillary defect. METHODS: In ten normal subjects, pupillary responses to an alternating light stimulus were recorded with computerized infrared pupillography. The relative afferent pupillary defect for each test was determined by using a new computer analysis. The 95% confidence interval of each determination of relative afferent pupillary defect was used to represent the short-term fluctuation in its measurement. To optimize the test for clinical use, we studied the influence of stimulus intensity, duration, and number on the variability of the relative afferent pupillary defect. RESULTS: When the relative afferent pupillary defect was based on only a few light alternations (stimulus pairs), there was excessive variability in its measurement (95% confidence interval > 0.5 log units). With approximately 200 stimulus pairs, the 95% confidence interval was reduced to less than 0.1 log unit (relative afferent pupillary defect +/- 0.05 log unit). Also, there was less variability when the dark interval between alternating light stimulation was less than one second. CONCLUSIONS: Computerized infrared pupillography can standardize the alternating light test and minimize the error in quantifying a relative afferent pupillary defect. A reproducible relative afferent pupillary defect measurement is desirable for defining afferent injury and following the course of disease.

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This report describes results from a study evaluating the use of stringless paving using a combination of global positioning and laser technologies. CMI and Geologic Computer Systems developed this technology and successfully implemented it on construction earthmoving and grading projects. Concrete paving is a new area for considering this technology. Fred Carlson Co. agreed to test the stringless paving technology on two challenging concrete paving projects located in Washington County, Iowa. The evaluation was conducted on two paving projects in Washington County, Iowa, during the summer of 2003. The research team from Iowa State University monitored the guidance and elevation conformance to the original design. They employed a combination of physical depth checks, surface location and elevation surveys, concrete yield checks, and physical survey of the control stakes and string line elevations. A final check on profile of the pavement surface was accomplished by the use of the Iowa Department of Transportation Light Weight Surface Analyzer (LISA). Due to the speed of paving and the rapid changes in terrain, the laser technology was abandoned for this project. Total control of the guidance and elevation controls on the slip-form paver were moved from string line to global positioning systems (GPS). The evaluation was a success, and the results indicate that GPS control is feasible and approaching the desired goals of guidance and profile control with the use of three dimensional design models. Further enhancements are needed in the physical features of the slipform paver oil system controls and in the computer program for controlling elevation.

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BACKGROUND: Maintaining therapeutic concentrations of drugs with a narrow therapeutic window is a complex task. Several computer systems have been designed to help doctors determine optimum drug dosage. Significant improvements in health care could be achieved if computer advice improved health outcomes and could be implemented in routine practice in a cost effective fashion. This is an updated version of an earlier Cochrane systematic review, by Walton et al, published in 2001. OBJECTIVES: To assess whether computerised advice on drug dosage has beneficial effects on the process or outcome of health care. SEARCH STRATEGY: We searched the Cochrane Effective Practice and Organisation of Care Group specialized register (June 1996 to December 2006), MEDLINE (1966 to December 2006), EMBASE (1980 to December 2006), hand searched the journal Therapeutic Drug Monitoring (1979 to March 2007) and the Journal of the American Medical Informatics Association (1996 to March 2007) as well as reference lists from primary articles. SELECTION CRITERIA: Randomized controlled trials, controlled trials, controlled before and after studies and interrupted time series analyses of computerized advice on drug dosage were included. The participants were health professionals responsible for patient care. The outcomes were: any objectively measured change in the behaviour of the health care provider (such as changes in the dose of drug used); any change in the health of patients resulting from computerized advice (such as adverse reactions to drugs). DATA COLLECTION AND ANALYSIS: Two reviewers independently extracted data and assessed study quality. MAIN RESULTS: Twenty-six comparisons (23 articles) were included (as compared to fifteen comparisons in the original review) including a wide range of drugs in inpatient and outpatient settings. Interventions usually targeted doctors although some studies attempted to influence prescriptions by pharmacists and nurses. Although all studies used reliable outcome measures, their quality was generally low. Computerized advice for drug dosage gave significant benefits by:1.increasing the initial dose (standardised mean difference 1.12, 95% CI 0.33 to 1.92)2.increasing serum concentrations (standradised mean difference 1.12, 95% CI 0.43 to 1.82)3.reducing the time to therapeutic stabilisation (standardised mean difference -0.55, 95%CI -1.03 to -0.08)4.reducing the risk of toxic drug level (rate ratio 0.45, 95% CI 0.30 to 0.70)5.reducing the length of hospital stay (standardised mean difference -0.35, 95% CI -0.52 to -0.17). AUTHORS' CONCLUSIONS: This review suggests that computerized advice for drug dosage has some benefits: it increased the initial dose of drug, increased serum drug concentrations and led to a more rapid therapeutic control. It also reduced the risk of toxic drug levels and the length of time spent in the hospital. However, it had no effect on adverse reactions. In addition, there was no evidence to suggest that some decision support technical features (such as its integration into a computer physician order entry system) or aspects of organization of care (such as the setting) could optimise the effect of computerised advice.

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La present memòria descriu el procés de desenvolupament d'un sistema informàtic autònom amb capacitat per poder capturar algunes dades del nostre entorn i poder-les comunicar mitjançant un protocol d'intercanvi de dades obert a un sistema receptor per tal de realitzar una posterior anàlisis.

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The ATP-binding cassette (ABC) family of proteins comprise a group of membrane transporters involved in the transport of a wide variety of compounds, such as xenobiotics, vitamins, lipids, amino acids, and carbohydrates. Determining their regional expression patterns along the intestinal tract will further characterize their transport functions in the gut. The mRNA expression levels of murine ABC transporters in the duodenum, jejunum, ileum, and colon were examined using the Affymetrix MuU74v2 GeneChip set. Eight ABC transporters (Abcb2, Abcb3, Abcb9, Abcc3, Abcc6, Abcd1, Abcg5, and Abcg8) displayed significant differential gene expression along the intestinal tract, as determined by two statistical models (a global error assessment model and a classic ANOVA, both with a P < 0.01). Concordance with semiquantitative real-time PCR was high. Analyzing the promoters of the differentially expressed ABC transporters did not identify common transcriptional motifs between family members or with other genes; however, the expression profile for Abcb9 was highly correlated with fibulin-1, and both genes share a common complex promoter model involving the NFkappaB, zinc binding protein factor (ZBPF), GC-box factors SP1/GC (SP1F), and early growth response factor (EGRF) transcription binding motifs. The cellular location of another of the differentially expressed ABC transporters, Abcc3, was examined by immunohistochemistry. Staining revealed that the protein is consistently expressed in the basolateral compartment of enterocytes along the anterior-posterior axis of the intestine. Furthermore, the intensity of the staining pattern is concordant with the expression profile. This agrees with previous findings in which the mRNA, protein, and transport function of Abcc3 were increased in the rat distal intestine. These data reveal regional differences in gene expression profiles along the intestinal tract and demonstrate that a complete understanding of intestinal ABC transporter function can only be achieved by examining the physiologically distinct regions of the gut.

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L'estudi vol detectar quin és el grau d'accessibilitat dels webs de les universitats catalanes. Els indicadors utilitzats són els presents en el nivell de prioritat 1 de les Pautes d'accessibilitat al contingut del web, versió 1.0 -WCAG- del World-Wide WebConsortium, acompanyats per altres de complementaris. Com a principal resultat s¿obté que només una de les 43 pàgines analitzades compleix els llindars d'accessibilitat.