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A well-characterized set of large-scale laboratory experiments is presented, illustrating forced imbibition displacements in the presence of irreducible wetting phase saturation in a cylindrical, homogeneous Berea sandstone rock. Experiments are designed to operate in the regime of compact microscopic flows and large-scale viscous instability. The(More)
1 The understanding of human emotions in online activities including e-commerce, information acquisition, decision making, and social networking is increasingly of interest to information systems (IS) research and practice. A number of studies have tackled the issue of online emotional experiences, such as exploring the role of " pleasantness " for(More)
In order to document the exposure to trace metals among urban schoolchildren and rural working children, we measured the urinary concentrations of metals in schoolchildren from two areas of differing traffic intensity in Lahore, and in children working in carpet weaving or the brick industry outside Lahore. In a cross-sectional design, we recruited a(More)
Most of the existing Intelligent Tutoring Systems (ITS) teach students based on their domain knowledge. Explicit cognitive skills of the students are generally not considered before delivering any lesson. This paper discusses an application of ITS employing cognitive modeling as a main tool to understand learner and correspondingly impart teaching. Here, in(More)
Many private organisations and public sector agencies develop information and communication technology (ICT) business cases, and utilise them for better ICT investment decision making. The development of ICT business cases in private sector is relatively ad hoc and compact in size. In contrast, agencies in public sector are accountable to taxpayers for(More)