国际档案理事会(ICA)于2023年12月发布的最新档案描述标准《背景中的文件》(Records in Contexts,RiC)将语义网技术、关联数据技术引入档案描述,以期实现档案工作转型升级。法国档案保管机构数据互操作试点(Pilote d’interopérabi...国际档案理事会(ICA)于2023年12月发布的最新档案描述标准《背景中的文件》(Records in Contexts,RiC)将语义网技术、关联数据技术引入档案描述,以期实现档案工作转型升级。法国档案保管机构数据互操作试点(Pilote d’interopérabilité pour les Autorités Archivistiques Françaises,PIAAF)项目作为RiC标准本体技术的首次应用,为其概念证明作出了突出贡献,创新性、突破性强。通过分析PIAAF项目及其所依据的RiC描述标准,解读标准的进步性,审视项目实施进程中遇到的挑战及应对策略,从而针对性地从更新现有描述标准、建立领域本体、推动文化遗产机构元数据互操作、革新档案描述呈现方式等方面为我国档案描述工作提供有益建议。展开更多
Purpose:We aim to extend our investigations related to the Relative Intensity of Collaboration(RIC)indicator,by constructing a confidence interval for the obtained values.Design/methodology/approach:We use Mantel-Haen...Purpose:We aim to extend our investigations related to the Relative Intensity of Collaboration(RIC)indicator,by constructing a confidence interval for the obtained values.Design/methodology/approach:We use Mantel-Haenszel statistics as applied recently by Smolinsky,Klingenberg,and Marx.Findings:We obtain confidence intervals for the RIC indicatorResearch limitations:It is not obvious that data obtained from the Web of Science(or any other database)can be considered a random sample.Practical implications:We explain how to calculate confidence intervals.Bibliometric indicators are more often than not presented as precise values instead of an approximation depending on the database and the time of measurement.Our approach presents a suggestion to solve this problem.Originality/value:Our approach combines the statistics of binary categorical data and bibliometric studies of collaboration.展开更多
Soil treatment was utilized on numerous production sites to compact cohesion less formations, having the objective to increase earth characteristics and decrease probable subsidence. Within the last few years, Rapid I...Soil treatment was utilized on numerous production sites to compact cohesion less formations, having the objective to increase earth characteristics and decrease probable subsidence. Within the last few years, Rapid Impact Compaction (RIC) has increased its attractiveness as a soil treatment method.</span><span style="font-size:10pt;font-family:""> </span><span style="font-family:Verdana;">RIC is an innovative dynamic compaction technique primarily used to compact sandy soils where silt and clay contents are low. This work presents a case study of ground improvement using RIC and its suitability for site preparation earthworks. The RIC technique has been performed in an early site preparation which consists of a cut and fill contract for a mega project in the Kingdom of Saudi Arabia. RIC is a process where loose subsurface soils are improved through compaction with the utilization of successive impact blows from the top surface. This project involves the compaction of the fill materials (with an average thickness of 4 m) and loose natural formations (averaging 4 m in depth). The objective of the soil treatment scheme is to increase the relative density of the soils (both fill and natural) to 85%. The usage of the RIC within the site preparation earthwork applications is possible provided the presence of certain elements—specifically, granular materials and particles finer than number 200 sieve—do not exceed 15%. The RIC method proved to be cost- and time-effective when utilized for filling compaction activities since it compacts considerable soil thicknesses with a single action from the top surface, and can be used as an alternative to the traditional method of compacting fill formations in pre-determined lift thicknesses.展开更多
文摘国际档案理事会(ICA)于2023年12月发布的最新档案描述标准《背景中的文件》(Records in Contexts,RiC)将语义网技术、关联数据技术引入档案描述,以期实现档案工作转型升级。法国档案保管机构数据互操作试点(Pilote d’interopérabilité pour les Autorités Archivistiques Françaises,PIAAF)项目作为RiC标准本体技术的首次应用,为其概念证明作出了突出贡献,创新性、突破性强。通过分析PIAAF项目及其所依据的RiC描述标准,解读标准的进步性,审视项目实施进程中遇到的挑战及应对策略,从而针对性地从更新现有描述标准、建立领域本体、推动文化遗产机构元数据互操作、革新档案描述呈现方式等方面为我国档案描述工作提供有益建议。
文摘Purpose:We aim to extend our investigations related to the Relative Intensity of Collaboration(RIC)indicator,by constructing a confidence interval for the obtained values.Design/methodology/approach:We use Mantel-Haenszel statistics as applied recently by Smolinsky,Klingenberg,and Marx.Findings:We obtain confidence intervals for the RIC indicatorResearch limitations:It is not obvious that data obtained from the Web of Science(or any other database)can be considered a random sample.Practical implications:We explain how to calculate confidence intervals.Bibliometric indicators are more often than not presented as precise values instead of an approximation depending on the database and the time of measurement.Our approach presents a suggestion to solve this problem.Originality/value:Our approach combines the statistics of binary categorical data and bibliometric studies of collaboration.
文摘Soil treatment was utilized on numerous production sites to compact cohesion less formations, having the objective to increase earth characteristics and decrease probable subsidence. Within the last few years, Rapid Impact Compaction (RIC) has increased its attractiveness as a soil treatment method.</span><span style="font-size:10pt;font-family:""> </span><span style="font-family:Verdana;">RIC is an innovative dynamic compaction technique primarily used to compact sandy soils where silt and clay contents are low. This work presents a case study of ground improvement using RIC and its suitability for site preparation earthworks. The RIC technique has been performed in an early site preparation which consists of a cut and fill contract for a mega project in the Kingdom of Saudi Arabia. RIC is a process where loose subsurface soils are improved through compaction with the utilization of successive impact blows from the top surface. This project involves the compaction of the fill materials (with an average thickness of 4 m) and loose natural formations (averaging 4 m in depth). The objective of the soil treatment scheme is to increase the relative density of the soils (both fill and natural) to 85%. The usage of the RIC within the site preparation earthwork applications is possible provided the presence of certain elements—specifically, granular materials and particles finer than number 200 sieve—do not exceed 15%. The RIC method proved to be cost- and time-effective when utilized for filling compaction activities since it compacts considerable soil thicknesses with a single action from the top surface, and can be used as an alternative to the traditional method of compacting fill formations in pre-determined lift thicknesses.
