Process-Oriented Information Logistics: Aligning Process Information with Business Processes

During the last decade, research in the field of business process management (BPM) has focused on the design, modeling, execution, monitoring, and optimization of business processes. What has been neglected, however, is the provision of knowledge workers and decision makers with needed information when performing knowledge-intensive business processes such as product engineering, customer support, or strategic management. Today, knowledge workers and decision makers are confronted with a massive load of data, making it difficult for them to discover the information relevant for performing their tasks. Particularly challenging in this context is the alignment of process-related information (process information for short), such as e-mails, office files, forms, checklists, guidelines, and best practices, with business processes and their tasks. In practice, process information is not only stored in large, distributed and heterogeneous sources, but usually managed separately from business processes. For example, shared drives, databases, enterprise portals, and enterprise information systems are used to store process information. In turn, business processes are managed using advanced process management technology. As a consequence, process information and business processes often need to be manually linked; i.e., process information is hard-wired to business processes, e.g., in enterprise portals associating specific process information with process tasks. This approach often fails due to high maintenance efforts and missing support for the individual demands of knowledge workers and decision makers. In response to this problem, this thesis introduces process-oriented information logistics(POIL) as new paradigm for delivering the right process information, in the right format and quality, at the right place and the right point in time, to the right people. In particular, POIL allows for the process-oriented, context-aware (i.e., personalized) delivery of process information to process participants. The goal is to no longer manually hard-wire process information to business processes, but to automatically identify and deliver relevant process information to knowledge workers and decision makers. The core component of POIL is a semantic information network (SIN), which comprises homogeneous information objects (e.g., e-mails, offce files, guidelines), process objects (e.g., tasks, events, roles), and relationships between them. In particular, a SIN allows discovering objects linked with each other in different ways, e.g., objects addressing the same topic or needed when performing a particular process task. The SIN not only enables an integrated formal representation of process information and business processes, but also allows determining the relevance of process information for a given work context based on novel techniques and algorithms. Note that this becomes crucial in order to achieve the aforementioned overall goal of this thesis

Exploring the Design of mHealth Systems for Health Behavior Change using Mobile Biosensors

A person’s health behavior plays a vital role in mitigating their risk of disease and promoting positive health outcomes. In recent years, mHealth systems have emerged to offer novel approaches for encouraging and supporting users in changing their health behavior. Mobile biosensors represent a promising technology in this regard; that is, sensors that collect physiological data (e.g., heart rate, respiration, skin conductance) that individuals wear, carry, or access during their normal daily activities. mHealth system designers have started to use the health information from physiological data to deliver behavior-change interventions. However, little research provides guidance about how one can design mHealth systems to use mobile biosensors for health behavior change. In order to address this research gap, we conducted an exploratory study. Following a hybrid approach that combines deductive and inductive reasoning, we integrated a body of fragmented literature and conducted 30 semi-structured interviews with mHealth stakeholders. From this study, we developed a theoretical framework and six general design guidelines that shed light on the theoretical pathways for how the mHealth interface can facilitate behavior change and provide practical design considerations

A virtual engineering framework to support progressive interaction in engineering design

Engineering design encompasses a series of non-trivial decision making phases in generating initial solutions, developing mathematical models, performing analysis, and optimizing designs. Engineering analysis and optimization are the phases that often significantly slow down the design process. Thorough designer exploration on the solution space increases the likelihood of determining the most feasible solution but, at the expense of longer lead times. The exploratory capabilities of the designer could be enhanced by creating an interactive virtual engineering framework. This research presents progressive interaction with the designer-in-the-loop whose intelligence is blended with the computational power to suitably control the optimization. Progressive interaction is a human-guided preference articulation method where the designer intelligence continuously controls the engineering analysis and optimization by visualization, modification and controlled re-optimization. Based on the designer\u27s knowledge and the knowledge available from the interaction system, the designer preferences can be modified anytime to expedite optimization. Progressive interaction not only helps the designer discover the hidden relationship between the decision variables but it also uncovers the implicit constraints and other performance limitations of the design. In summary, this research work proposes human-guided, progressive interaction as a solution to complex engineering optimization problems. The proposed solution is demonstrated using three test cases: (1) Interactive image segmentation and optimization, (2) Designer interaction to support shape optimization of a finned dissipater, and (3) Interactive analysis, optimization and design of hydraulic mixing nozzle

Dialogue and the machine: an interactional perspective on computer dialogue models, mediation and artifacts

The topic of this thesis is the notion of dialogue and how machines have not only influenced the development of our understanding of this fundamental human social activity but also the possibilities for engaging in mediated dialogue. In particular, the concern is with its adoption and distortion from a computational point of view. An interactional perspective is developed that provides insight into the problems and limitations of computer dialogue models, motivates the investigation of the achievement of dialogue mediated 'through' machines, and informs the conception and design of computer systems (or artifacts) that support the metaphor of dialogue 'with' machines. To motivate a reconstruction of the notion of dialogue and a different understanding of the status of machines in terms of action, a critical analysis of computer models of dialogue, concerning theory, data and implementation, is given. In general, computer models lack a consideration of interaction as a constitutive domain, assume the interchange model of dialogue, promote a sanitised view of data, and are a poor foundation for the design of machines that are to engage in dialogue-like behaviour with a user. An alternative interactional perspective is derived from hermeneutics and ethnomethodology in which it is argued that the machine is an intelligible - not intelligent - artifact, and communicative activity is circumstantial, situated and interactively constituted. Instead of reifying dialogue as the repeated exchange of discrete messages between isolated cognitive processors (the interchange model), dialogue is understood here to be the collection of practices in which parties are mutually engaged in coordinating communicative actions and achieving shared understanding out of the materials at hand. The empirical methodology of the thesis comes from conversation analysis and forms the basis for the investigation of the achievement of dialogue 'through' machines. A detailed audio-visual study of a particular computer-mediated communication modality is presented. Parties engaged in cooperatively constructing mutual orientation in dialogue (in a virtual dialogue space) were recorded and features of their conduct were rendered for analysis with the aid of a notation system specially developed for this study. The findings are that the computer-mediated dialogue activity is a skilled, interactive accomplishment in which dialogic presence, monitoring and participation are contingently created and maintained. An emergent transformation of the dialogue activity demonstrates the situated work of constructing participation, a process that is shaped by the dynamics of that activity. A brief study of copresent collaboration documents two further features: the embodiment of actions and their complementarity. The consequences of the interactional perspective and the empirical study for computer models and dialogue 'with' machines are discussed. Suggestions are also made about an alternative use of computer modelling for dialogue 'between' machines, and about the future of dialogue mediation and artifacts

Designing together apart : computer supported collaborative design in architecture

The design of computer tools to assist in work has often attempted to replicate manual methods. This replication has been proven to fail in a diversity of fields such as business management, Computer-Aided Design (CAD) and Computer- Supported Collaborative Work (CSCW). To avoid such a failure being repeated in the field of Computer-Supported Collaborative Design (CSCD), this thesis explores the postulation that CSCD does not have to be supported by tools which replicate the face-to-face design context to support distal architectural design. The thesis closely examines the prevailing position that collaborative design is a social and situated act which must therefore be supported by high bandwidth tools. This formulation of architectural collaboration is rejected in favour of the formulation of a collaborative expert act. This proposal is tested experimentally, the results of which are presented. Supporting expert behaviour requires different tools than the support of situated acts. Surveying research in computer-supported collaborative work (CSCW), the thesis identifies tools that support expert work. The results of the research is transferred to two contexts: teaching and practice. The applications in these two contexts illustrate how CSCD can be applied in a variety of bandwidth and technological conditions. The conclusion is that supporting collaborative design as an expert and knowledge-based act can be beneficially implemented in the teaching and practice of architecture

Framework for the implementation of an enhanced virtual design studio in the architecture education curriculum of the United Arab Emirates : the virtual creative and collaborative studio

Being a rapidly developing country the United Arab Emirates (UAE) has realised the need for highly qualified and properly skilled manpower to cope with the country‟s ambitious development plans. This has resulted in high investments in education and training in the UAE. The government facilitated high technological tools for education. These tools suffered from underutilisation and a failure to be properly integrated in the curricula. The literature review indicates that today‟s knowledge-driven economy demands a workforce equipped with complex skills such as creativity and collaboration. Universities must not only teach the necessary technical skills and knowledge, but also the culture of creativity and teamwork. The learning theories emphasise the importance of learning by doing and collaboration processes to achieve effective learning. Learning theories also emphasise the importance of teaching creative skills to the students. These approaches are congruent with use of technologies, such as visual design studio (VDS), for the purpose of architecture education in design courses, but such use is lacking in the UAE. The present research focuses on implementing and evaluating technologies such as the VDS in architecture education in an attempt to formulate a framework for implementing technologies combined by creative and collaborative skills in the UAE. Since implementing a new technology into education practice is complex task, this work will formulate a framework that will help in shifting from the traditional learning to learning with technology. This work will take into consideration factors such as pedagogical issues, collaboration creative work and architecture practice and industrial needs in the UAE. The aim of the current research is to formulate a framework for implementing VDS at the conceptual end of the architecture design education in the UAE. This research will apply an action research method framework. The action research will be generated into three phases. Each phase will consist of three stages, the descriptive stage which will analyse the need and criteria of the method, the constructive stage which will include the process involved in constructing the framework and the evaluative stage which will include the testing and evaluation. The resulting framework should satisfy the UAE‟s needof advanced technological tools for enhancing design education taking in consideration the socio-cultural dimension of the UAE. As technology is changing rapidly; future research should concentrate on adding further technological tools such as mobile learning. Also as this work provided a framework for integrating technology in architecture design education, yet it is not limited to this discipline only. Other disciplines could benefit from this emerging model and further research could be conducted

Open Platform to Detect and Monitor Macular Disorders

Macular disorders (MDs) such as Age-related Macular Degeneration (AMD) and Central Serous Retinopathy (CSR) cause Visual Distortions (VDs) while affecting human vision and the quality of life. Home-monitoring helps with disorder early detection and possibly slow down or even progress prevention while reducing the risk of vision loss and medical management costs. We addressed the challenge of developing accurate, rapid, and low-cost home monitoring technology for the detection and progress assessment of MDs. The proposed methods allow the detection of small VDs using a novel approach called NGRID. The proposed NGRID platform is a unified software and hardware system that assist eye-care professionals in running the visual tests from hospitals or remotely at patients' home. Advanced programming techniques such as Standard Vector Graphic (SVG) and voice recognition were used to develop the required software. The high security, capacity, and availability of the computer cluster running NGRID enable the access of millions of people to run the test and assess the progress of their MDs at home. NGRID sends the results to the medical practitioner to better manage the patients. We tested CSR patients using NGRID. The patients were asked to answer if they see the VD test frames wavy or with missing parts. Patient's voice is processed to extract the answers and detect metamorphopsia or scotoma, and results displayed in a graph called heatmap, which visually shows how the visual field is affected. Furthermore, we successfully verified the heatmaps with patients' Optical Coherence Tomography (OCT) images, which is the golden standard methodology for MD diagnostic. We confirmed the location of the detected VDs with the patients once they gain normal vision. The proposed NGRID research platform can offer significant advantages for home monitoring and subsequently, control of MDs. NGRID opened new avenues towards the generation of first MD big data suitable for medical industries. Finally, NGRID aims to offer medical practitioners better ways to monitor patients at home, where using OCT is not possible. Clinical trials for NGRID on other MDs such as AMD may allow medical practitioners for faster intervention when Anti-Vascular Endothelial Growth Factor (Anti-VEGF) is needed