Results 11 to 20 of about 15,852 (259)
Fragmentación de datos en bases de datos distribuidas
Tecnología en Marcha, 2003 La investigación se inicia con una definición de base de datos distribuida, su estructura y los factores por tomar encuenta para su diseño. Después se centra en la distribución de los datos, la descripción de los tipos defragmentación (horizontal ...
Ricardo Chinchilla-Arley
doaj +3 more sources
Las bases de datos históricas.
Anales de Documentación, 1998 Se exponen los principales componentes de las bases de datos como genuinos ejemplos de los sistemas de información histórica, las fuentes de información histórica y su tipología: personales, bibliográficas e institucionales.
José López Yepes
doaj +4 more sources
Telemática, 2013 Las bases de datos NoSQL han experimentado un importante incremento en su aplicación en los últimos tiempos. La gran flexibilidad que ofrecen y las posibilidades que brindan desde el punto de vista de la optimización en sus diseños de acuerdo al problema
Ing. Hansel Gracia del Busto +1 more
doaj +1 more source
Base de datos de abejas ibéricas
Ecosistemas, 2022 Las abejas son un grupo extremadamente diverso con más de 1000 especies descritas en la península ibérica. Además, son excelentes polinizadores y aportan numerosos servicios ecosistémicos fundamentales para la mayoría de ecosistemas terrestres. Debido a los diversos cambios ambientales inducidos por el ser humano, existen evidencias del declive de ...
Bartomeus, Ignasi +78 more
openaire +8 more sources
Ethnicity and the surgical management of early invasive breast cancer in over 164 000 women
BJS (British Journal of Surgery), EarlyView., 2020 This large national study examined in detail the patterns in surgical management of early breast cancer in women of different ethnicities. Allowing for different patterns of age and stage at presentation, the surgical management of early breast cancer was similar in all women, regardless of ethnicity. All treated the same Background Limited information
T. Gathani +4 more
wiley +1 more source
BJS (British Journal of Surgery), EarlyView., 2020 Clean Cut is a multimodal, adaptive, checklist‐based infection prevention programme designed to improve compliance with six critical perioperative infection prevention practices. After introducing the programme at five hospitals in Ethiopia, compliance with critical infection prevention standards significantly improved and the relative risk of ...
J. A. Forrester +16 more
wiley +1 more source
BJS (British Journal of Surgery), EarlyView., 2020 All patients operated for oesophageal cancer in Sweden from 2013 to April 2018 were identified, and 246 patients were recruited to this population‐based nationwide Swedish study. The results show that longitudinal health‐related quality of life after minimally invasive oesophagectomy was similar to that of the open surgical approach.
F. Klevebro +4 more
wiley +1 more source
European multicentre study on outcome of surgery for sporadic primary hyperparathyroidism
BJS (British Journal of Surgery), EarlyView., 2020 Some 5861 patients undergoing first‐time surgery for sporadic primary hyperparathyroidism were registered in the Eurocrine® database between 2015 and 2018. The use of intraoperative parathyroid hormone measurement decreased the risk of conversion and persistent hypercalcaemia.
A. Bergenfelz +3 more
wiley +1 more source
BJS (British Journal of Surgery), EarlyView., 2020 This study investigated postoperative complications after surgery for medullary thyroid carcinoma (MTC) in Europe. Hypoparathyroidism, recurrent laryngeal nerve palsy and bleeding requiring reoperation occurred in 170 (26·2 per cent), 62 (13·7 per cent) and 17 (2·6 per cent) patients respectively.
D.‐J. van Beek +18 more
wiley +1 more source