Results 21 to 30 of about 66,606 (165)

Predicting hotel booking cancellations to decrease uncertainty and increase revenue [PDF]

open access: yesTourism & Management Studies, 2017
Booking cancellations have a substantial impact in demandmanagement decisions in the hospitality industry. Cancellations limit the production of accurate forecasts, a critical tool in terms of revenue management performance. To circumvent the problems
Nuno Antonio, Ana de Almeida, Luis Nunes
doaj   +1 more source

Intraoperative Neurophysiological Monitoring for Spinal Fusion

open access: yesBrazilian Neurosurgery, 2017
The surgical techniques of spinal fusion are frequently used in the treatment of many spine conditions. Apart from having anatomical knowledge, in order to perform those procedures safely, it is essential to utilize all the tools available to assure the ...
Marco de Agassiz Almeida Vasques   +1 more
doaj   +1 more source

Precoded Generalized Spatial Modulation for Downlink MIMO Transmissions in Beyond 5G Networks

open access: yesApplied Sciences, 2020
The design of multiple input multiple output (MIMO) schemes capable of achieving both high spectral and energy efficiency constitutes a challenge for next-generation wireless networks. MIMO schemes based on generalized spatial modulations (GSM) have been
João Pedro Pavia   +4 more
doaj   +1 more source

AS FORÇAS ARMADAS: SUA RELAÇÃO COM A DEMOCRACIA E OS DIREITOS HUMANOS

open access: yesDireito em Debate, 2021
O artigo tem por objetivo reinterpretar os postulados basilares das forças armadas (hierarquia e disciplina) de acordo com as principais premissas democráticas e dos direitos humanos numa perspectiva crítica e contra hegemônica. Desta forma, para tanto,
Filipe Cortes de Menezes, Fran Espinoza
doaj   +1 more source

Fake news and its impact on trust in the news. Using the Portuguese case to establish lines of differentiation

open access: yesCommunication & Society (Formerly Comunicación y Sociedad), 2019
While a far from recent phenomenon, fake news has acquired a very special significance in the wake of the latest US elections. Against a broad background of different definitions and subtypes that require us to find a new, broader definition of the ...
Tiago Lima-Quintanilha   +2 more
doaj   +1 more source

Novel Tools for the Management, Representation, and Exploitation of Textual Information

open access: yes, 2021
Scientific Programming, Volume 2021, Issue 1, 2021.
David Ruano-Ordás   +3 more
wiley   +1 more source

Thoracic duct lymphangioma and chylous ascites in a 24-year-old female

open access: yesAutopsy and Case Reports, 2021
Lymphangiomas are rare and correspond to 0.7% to 4.0% of mediastinal tumors, and isolated mediastinal location occurs in 1% of cases. They are benign tumors that originate from a congenital malformation of the lymphatic vessels and are diagnosed more ...
Larissa Moreira Galvão Bello   +4 more
doaj  

The Government Spending Multiplier at the Zero Lower Bound: Evidence from the United States

open access: yesOxford Bulletin of Economics and Statistics, Volume 82, Issue 6, Page 1262-1294, December 2020., 2020
Abstract We estimate state‐dependent government spending multipliers for the United States. We use a factor‐augmented interacted vector autoregression (FAIVAR) model. This allows us to capture the time‐varying monetary policy characteristics including the recent zero interest rate lower bound (ZLB) state, to account for the state of the business cycle ...
Mario Di Serio   +2 more
wiley   +1 more source

A Novel Sliding Mode Control with Low‐Pass Filter for Nonlinear Handling Chain System in Container Ports

open access: yesComplexity, Volume 2020, Issue 1, 2020., 2020
Nonlinearities in a container port handling chain include mainly nonnegative arrive rate of container cargoes, limited container handling completion rate, and nonnegative unsatisfied freight requirement constraints. The nonlinearity influences the operation resources availability and consequently the planned container port handling strategies ...
Bowei Xu   +5 more
wiley   +1 more source

Ecocardiografia na hipertensão pulmonar esquistossomótica

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1987
Realizou-se estudo ecocardiográfico em 16 pacientes esquistossomóticos, 11 dos quais tinham hipertensão pulmonar comprovada por cateterismo cardíaco.
Antônio Emanuel   +5 more
doaj   +1 more source

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