Core systemtechnology is a key factor in the next generation network(NGN).Adifference-less mobility management network is proposed to better support the mobility of an IP multimedia subsystem(IMS).This kind of network...Core systemtechnology is a key factor in the next generation network(NGN).Adifference-less mobility management network is proposed to better support the mobility of an IP multimedia subsystem(IMS).This kind of network can provide good service and user mobility,enabling local user access to the network anywhere.User location management and session creation are analyzed.The results show that under this network architecture,the cost of the user location registration and session creation is lower than that of the home control model employed by the IMS.展开更多
The utilization of research papers has been crucial in facilitating pandemic decision-making and management.Despite the unprecedented surge of scientific publications in response to the COVID-19 outbreak,the retractio...The utilization of research papers has been crucial in facilitating pandemic decision-making and management.Despite the unprecedented surge of scientific publications in response to the COVID-19 outbreak,the retraction of papers related to data has been increasingly frequent,indicating shortcomings in the quality control of current research data.In this study,we aim to examine the root causes and characteristics of data-related retractions amidst the deluge of pandemic research papers,with a particular focus on articles that contain flaws stemming from issues related to research data quality.Our findings suggest that retractions related to data quality deficiencies indicate a dearth of actors and mechanisms within the research quality management landscape.The monitoring and control of data quality cannot be left solely to the self-regulation of the academic community.Hence,our study proposes recommendations for ensuring research data quality in pandemic publications from three perspectives:the management of scientific research quality,data sharing and evaluation mechanisms;publication and dissemination scrutiny mechanisms;and academic early warning and tolerance mechanisms.展开更多
基金supported by the National Science Fund for Distinguished Young Scholars (No.60525110)the National Basic Research Program of China (Nos.2007CB307100,2007CB307103)+1 种基金the Program for New Century Excellent Talents in University (No.NCET-04-0111)the Development Fund Project for Electronic and Information Industry (Mobile Service and Application System Based on 3G).
文摘Core systemtechnology is a key factor in the next generation network(NGN).Adifference-less mobility management network is proposed to better support the mobility of an IP multimedia subsystem(IMS).This kind of network can provide good service and user mobility,enabling local user access to the network anywhere.User location management and session creation are analyzed.The results show that under this network architecture,the cost of the user location registration and session creation is lower than that of the home control model employed by the IMS.
基金supported by National Social Science Foundation of China(21CTQ017).
文摘The utilization of research papers has been crucial in facilitating pandemic decision-making and management.Despite the unprecedented surge of scientific publications in response to the COVID-19 outbreak,the retraction of papers related to data has been increasingly frequent,indicating shortcomings in the quality control of current research data.In this study,we aim to examine the root causes and characteristics of data-related retractions amidst the deluge of pandemic research papers,with a particular focus on articles that contain flaws stemming from issues related to research data quality.Our findings suggest that retractions related to data quality deficiencies indicate a dearth of actors and mechanisms within the research quality management landscape.The monitoring and control of data quality cannot be left solely to the self-regulation of the academic community.Hence,our study proposes recommendations for ensuring research data quality in pandemic publications from three perspectives:the management of scientific research quality,data sharing and evaluation mechanisms;publication and dissemination scrutiny mechanisms;and academic early warning and tolerance mechanisms.
