bluuebunny/crossref_metadata_2025 huggingface dataset:
Is the Biggest Security Threat to Medical Information Simply a Lack of Understanding?
Authors: Williams Patricia A.H.
Published: February 2025

Connecting Australian health services and the e-health initiative is a major focus in the current health environment. Many issues are presented as key to its success including solving issues with confidentiality and privacy. However, the main problem may not be these issues in sharing information but the fact that the point of origin of such records is still relatively insecure. This paper highlights why this may be the case. Research into the security of medical information has shown that many primary healthcare providers are unable to create an environment with effective information security. Numerous factors contribute to this complex situation including a trustful environment, the resultant security culture and the capability of individual healthcare organisations. Further, the growing importance of new directions in the use of patient information is considered. This paper discusses these issues and positions them within the complex environment that is healthcare. In our current health system infrastructure, the points of origin of patient information are our most vulnerable. This entwined with progressively new uses of this information expose additional security concerns, such as re-identification of information, that require attention.
Ground improvement for wind energy oplants in Germany
Authors: Wehr J.
Published: February 2025

More than 21.000 wind energy plants with a capacity of 24.000 MW have been installed in Germany. Last years' general tendency goes towards offshore wind farms, as the average wind speed is usually considerably higher and wind blows more regularly than on land.
Geotechnical aspects of Aposelemis dam in Crete island
Authors: Karapanagiotis I.  , Somakos L.  , Gkiolas A.  , Lazaridou S.  , Kavvadas M.  , Marinos P.
Published: February 2025

The paper evaluates the embankment materials and their geotechnical parameters, focusing on the use of the in-situ phyllite as shell material. The discussion includes laboratory test results and their correlation with the results of the trial fill and the actual embankment. Results of the 25m deep grout curtain and the cross inclined test boreholes are presented and evaluated. It is shown that the foundation phyllites have very low and relatively homogeneous permeability. The paper also presents and evaluates construction pore pressure measurements in the embankment and its foundation. Weathered phyllite was also considered for use as core material and appropriate investigations were conducted during the cofferdam construction (on site trial fill and laboratory testing). Although the results were very promising, the core of the embankment was finally constructed using material from a silty clay borrow area, which was located very favourably inside the reservoir.
Renforcement d'une falaise littorale en roches tendres en vue de ralentir son érosion
Authors: Fontanel M.  , Mazaré B.
Published: February 2025

La pointe du Hoc, située en Normandie, rfut un haut lieu du débarquement des Alliés en juin 1944. Il s'agit d'un promontoire d'une trentaine de mètres constitué de calcaires tendres plus ou moins marneux surmontés par des terrains d'altération argilo silteux. L'altération naturelle de la falaise associée à la sape de son pied par la mer conduit à son recul progressif. Si rien n'est fait, la stabilité du blockhaus du «poste d'observation »est menacée.
A simplified numerical approach for studying pile-landslide interaction in hard soils
Authors: Galli A.  , Cocchetti G.  , di Prisco C.
Published: February 2025

Vertical piles can be profitably employed as deep retaining structures to prevent landslides, providing a convenient restraint to soil movements. The design procedures commonly employed in engineering practice to evaluate the mechanical response of piles to lateral loads are usually based on P-y curves, giving the value of the local interaction force as a function of the local pile deflection (i.e. the interaction between each slice of the pile and the surrounding soil). In the present paper a simplified procedure, capable of computing the global resultant interaction force arising between the pile and the soil moving mass as a function of the soil displacement, is presented. Non linearities of both the structure and the soil can be taken into consideration, in particular with reference to the case of piles drilled in hard soils, usually characterized, these latter, by a softening mechanical behaviour. The influence of both the shape of the soil displacement profile and of additional constraints (like deep pretensioned ground anchors) is investigated as well.
Full-scale physical modeling of sheet piles pressed-in to hard soils
Authors: Doubrovsky M.P.  , Poizner M.B.  , Meshcheriakov G.N.
Published: February 2025

There is a great interest for geotechnics to determine real parameters of the flexural stiffness of sheet piling walls made of U-profile piles and their drivability regarding piles interaction with soils including peculiarities of pressing into hard soils. Among main factors which influence on this one can mention soil friction in the interlocks and the transmission of longitudinal shear forces in the interlocks of the sheet piles. In reality soil-interlock interaction depends mainly on installation method and soil properties. Study of dependencies between applied forces and friction in the interlocks by full-scale physical modeling during press-in regarding pile-pile interaction and soil properties was aiming to refine calculation model as well as to provide reliable numerical modeling and design of the system “sheet pile – soil media”. Main results of on-site full-scale physical modelling using ArcelorMittal U-profile section piles in different soil conditions (hard and soft soils) are presented in the paper. Data related to press-in and extraction tests (applied force up to 1000 kN) allows to obtain “force – displacements” diagrams as well as to assess influences of soil friction and resistance in interlocks. Basic conclusion of fulfilled physical modeling indicates essential influence of soil behavior in sheet pile's interlocks, especially in case of saturated soil. In-situ tests are supplemented with laboratory experiments with the same pile elements and similar soils. These experiments demonstrated qualitative similarity in different intervals of applied loading.
Compensation grouting and deep sealing slabs for the construction of the new Metro line B1 in Rome
Authors: Kummerer C.  , Falk E.  , Sciotti A.  , Saggio G.
Published: February 2025

For the construction of the new Metro lines in Rome several deep excavations and settlement mitigation measures have to be implemented. In the case of the B1 line this is particularly challenging due to the varying soil conditions and high hydrostatic pressures.
On the magnitude of pre-displacements during tunnelling in foliated soft rocks
Authors: Klopčič J.  , Logar J.
Published: February 2025

When tunneling in soft foliated rock relatively large displacements can be expected in the tunnel and in case of shallow tunnels also on the surface. The paper presents the results of numerical study and of in-situ displacement monitoring showing the difference in pre- and post-face displacements when tunneling from either direction (with dip or against dip).
Design and construction of double and triple track tunnel, Athens Metro line 3, section Egaleo – Haidari
Authors: Nakou F.  , Mavrommati C.  , Boussoulas N.
Published: February 2025

Within the existing Line 3 of the Athens Metro Underground System running from the Athens International Airport to the western part of greater Athens, an extension of a 1.31 km leading to Agia Marina Station is constructed. This extension includes excavation of a double and triple track tunnel with conventional tunnelling, through a variety of geological formations. Big part of the tunnel passes under a heavy traffic street, while 200m of triple track and 350m of double trck tunnel are excavated under buildings. In this paper, construction data and temporary support measures that were applied during excavation of the tunnel, are briefly described. Emphasis is given to sections along the tunnel, where significant increase of surface settlements occurred. The contingency measures implemented in these sections, as well as a case of failure due to soil ravelling conditions are presented in this paper. Furthermore, the importance of constant geomechanical monitoring and evaluation of the relevant data is analysed.
Geotechnical design aspects for the southern extension of Athens Metro Line 2, Greece
Authors: Papageorgiou E.  , Boussoulas N.
Published: February 2025

The present paper reports on the geotechnical conditions and the design methodology applied in the construction of the southern extension of Athens Metro System Line 2. The temporary retaining structures of the project are outlined, with specific focus laid on two case studies regarding the specialized design approach for Ilioupoli and Alimos stations. The main line tunnel, excavated with an EPB-TBM machine, is also briefly presented. The geotechnical design was further enhanced with the help of an extensive monitoring network. The recorded monitoring data lead to promising conclusions for the construction of large underground projects in heavily populated urban areas.
Tunneling in marls. The case of Melissi tunnel
Authors: Saroglou H.  , Niavis D.  , Kapenis A.
Published: February 2025

The optimal design of tunnel support in soft rock formations, such as marls, depends significantly on the detailed investigation of the geotechnical properties of the rock. The tunnel of Melissi is loacted in a marl environment, characterised by a typical soft rock to hard soil behaviour. In the present paper, the geotechnical behaviour of the marls is analysed and the tunnel support requirements are presented. Finally, construction data are briefly discussed and the encountered tunnel support conditions are compared to those estimated during the design of the tunnel.
Stability analysis of bioreactor landfill
Authors: Varga G.
Published: February 2025

In waste management, recent global practices are shifting the attention toward utilization of landfill gas generation and the deployment of bioreactors. This puts emphasis on the internal processes of bioreactor landfill and the analysis of slope stability of such landfills. We examined bioreactor landfills stability with respect to degradation and landfilling geometry. Our model divided the waste body into five layers according to the degree of decomposition. Three different geometries were simulated. We used PLAXIS and GEOSLOPE program in our simulations then we compared their results.
Investigations and interpretation of results from Dynamic Probing DPH from the N10*-values of an Data Acquisition
Authors: Herrmann R.A.  , Lauber T.
Published: February 2025

Dynamic Probings, whether Heavy, Medium or Light type (DPH, DPM, DPL), are state-of-the art methods for subsoil investigation used by Geotechnical Engineers in Europe. Dynamic Probings are used worldwide to determine geotechnical design parameters, and in Europe EC-7-2 (Ground Investigation and Testing) and EC-7-1 (Geotechnical Design) are the-up-to date standards. The uses of dynamic probings are important since the Cone Penetration Test (CPT) is found to be good only in soft to stiff cohesive soils and loose to medium dense sands.
Geotechnical mapping of the SGGW Campus in Warsaw applying the Bayesian approach
Authors: Rabarijoely S.  , Garbulewski K.  , Rajtar J.  , Jabłonowski S.
Published: February 2025

This paper addresses the applicability of geotechnical mapping using the Bayesian approach to compilate geotechnical information obtained from comprehensive investigation of the SGGW Campus in Warsaw. The main engineering problem identified in the case of deep excavations is the swelling of Warsaw clays and the effect of potential swelling on behavior of the clay. Therefore, geotechnical design of deep excavation in Warsaw areas is widely regarded as being difficult engineering task. In order to determine geotechnical parameters of layers distinguished in the foundations of Campus buildings the archival documentation, aerial photographs, resistivity measurements, borehole data logging, and CPT, DMT tests results were all taken into account. The first part of this paper focuses on the geological and geotechnical conditions in the SGGW Campus area and the theoretical foundation of the Bayesian approach. In order to collect data for geotechnical mapping, integrated geospatial databases will be transcribed generating the soil profile, including the accuracy of the soil classification and comparison between the results obtained from the DMT and CPT experiments. The second part involves the application of the Bayesian theory to evaluate the characteristic strength and deformation properties for two layers of boulder clay existing in the SGGW Campus area using the dilatometer DMT and CPT test results and its variability in a given area. This paper is supplemented with conclusions and future prospects. In general the conclusion is that all examples of applying Bayesian analysis show that it is a powerful and promising statistical tool in decision-making processes related to geotechnical problems.
Long term accumulation of deformation in granular soils under multi-axial cyclic loading
Authors: François S.  , Franken P.  , Degrande G.  , Haegeman W.
Published: February 2025

Repeated small amplitude dynamic loading of the soil in the vicinity of buildings, as arising from traffic or construction activities, may cause differential foundation settlements and structural damage. In this paper, an accumulation model for settlements due to vibrations at small strain levels in granular non-cohesive soils is proposed. It is assumed that the dynamic part of the stresses is small with respect to the static part. As plastic deformation in the soil is only observed after a considerable amount of dynamic loading cycles, only the accumulation of the average plastic deformation is considered. The accumulation model is calibrated by means of cyclic triaxial tests. However, the stress conditions in the cyclic triaxial tests are an approximation of the complex loading paths in the soil under traffic induced vibrations, that are intrinsically multi-axial and transient signals. Therefore, a rainflow counting algorithm is used to relate traffic induced vibrations to the triaxial test conditions. The model is applied to compute the differential settlement of a two-story building founded on loose sandy soil under repeated passages of a truck on a nearby speed table. Results demonstrate that vibrations may give rise to significant long term settlement of structures.
Measuring the soil-water characteristic curve of structured and recomposed soils
Authors: Bardanis M.  , Grifiza S.
Published: February 2025

The paper presents the results of an experimental programme carried out in order to measure the soil-water characteristic curve (SWCC) of two structured soils. Two methods of suction control were used ; the axis translation technique up to 1500 kPa and the salt solutions method for total suction values between 4 and 150 MPa. The experimental investigation included measurements of the SWCCs of the two soils when these were reconstituted and reconsolidated (termed as recomposed) in order to compare these curves with their counterparts measured on the undisturbed samples. The most important conclusions are the difficulties associated with measuring the SWCC of undisturbed samples of structured soils and the comparisons of these curves to those measured on reconstituted and reconsolidated samples of the same materials.
Seismic bearing capacity of strip footings on clay slopes
Authors: Georgiadis K.  , Chrysouli E.
Published: February 2025

An analytical upper bound plasticity solution is presented for the calculation of the seismic bearing capacity of footings placed at the crest or near the crest of clay slopes. The effect of seismic loading is taken into account through vertical and horizontal pseudo-static body forces acting on the soil and on the footing. Results are presented for horizontal ground surface and for footings on or near slopes in terms of normalized vertical failure loads and normalized horizontal – vertical interaction diagrams. Based on these results, simple modifications to existing bearing capacity equations are proposed which take account of the effect of soil inertia. Finally, the influence of problem geometry and soil parameters on seismic bearing capacity is discussed.
Piled Bridge Abutments on Soft Soils: Physical and 3D Numerical Modelling
Authors: Kelesoglu M.K.  , Springman S.M.
Published: February 2025

The behaviour of a full-height bridge abutmentconstructed on soft soilswas investigated. Numerical analyses were carried out by using the three dimensional PLAXIS finite element code and the results were compared with those obtained from a centrifuge test for validation. The vertical settlement profile of the soft soil surface and the pile bending moments were calculated with reasonable accuracy, whereas horizontal soil and pile movements were nearly half of the measured values. Comparative graphs were prepared in order to reveal the pros and cons of the finite element analyses.
Estimating skin friction of large diameter drilled shafts in weak rock
Authors: Syngros K.  , Khoury M.  , Poeppel A.  , Frizzi R.  , Fahoum K.  , Leventis G.
Published: February 2025

This paper presents two case histories of large-diameter drilled shafts installed into weak rock formations. The studied sites are located in Jeddah, Kingdom of Saudi Arabia and Mumbai, India and. Each case history presents the geologic history and the site subsurface conditions. The site information includes measurements of physical and engineering properties of the rock materials. It is shown that the construction method for the drilled shafts has a direct impact on the ultimate skin friction of the shaft, and the results of various construction methods are analyzed. Finally, the results of full-scale static load tests are presented and discussed. The paper concludes with an analysis of the measured ultimate skin friction as compared to current state-of-practice methods.
Durabilité du comportement mécanique d'un limon traité à la chaux soumis à un écoulement d'eau
Authors: Cuisinier O.  , Le Runigo B.  , Deneele D.  , Cui Y.-Jun  , Ferber V.
Published: February 2025

La pérennité des améliorations mécaniques apportées par le traitement à la chaux est une question débattue, notamment lorsque le sol traité est en contact permanent avec l'eau (digue, canaux, etc.). Dans ce contexte, cette étude cherche à évaluer l'effet d'une circulation d'eau sur la résistance au cisaillement d'un limon traité à la chaux. Les éprouvettes de limon traitées avec 1 ou 2 % de chaux ont été soumises à une circulation d'eau dans des perméamètres à paroi flexible. La résistance au cisaillement du sol traité a été déterminée après différentes périodes de circulation. Les résultats montrent que la performance atteinte après 90 jours de cure était équivalentes pour les deux dosages retenus. Cependant, les améliorations mécaniques apportées par le traitement à 1 % de chaux sont supprimées par 6 mois de circulation d'eau alors que le comportement mécanique est stable après 6 mois de circulation pour le limon traité à 3 %. Ces travaux montrent que les effets du traitement peuvent être éliminés par une circulation d'eau. Si à court terme, le recours à un dosage de 3 % ne se justifie pas par rapport à un dosage de 1 %, il est nécessaire de traiter à 3 % pour pérenniser les effets mécaniques du traitement dans le sol traité soumis à une circulation d'eau.
Creating Knowledge Archive in the Internet Medical Consultant for Decision Support at the Point Of Care
Authors: Nakić Draško  , Loškovska Suzana
Published: February 2025

The Internet Medical Consultant – IMC is a knowledge sharing system for physicians. The system's main purpose is to collect and store the communication between its users and to provide easy retrieval of stored information. The system provides access to human generated knowledge at the point of care. Having that kind of knowledge at hand can be very helpful for physicians when they make decisions. This paper describes the process of knowledge capturing, creating and searching the knowledge archive, for final utilisation of that knowledge at point of care.
Virtual Ward Round
Authors: Storck Michael  , Ückert Frank
Published: February 2025

“Virtual Ward Round” is a web-based blended learning tool. The program simulates hospital ward rounds. Within a virtual environment, students make diagnosis and order treatments. Tutors prepare cases easily to ensure realistic cases directly linked to the corresponding classes. The program “Virtual Ward Round” will hopefully be enrichment to the curriculum-based teaching.
How Important is Theory in Health Informatics? A Survey of UK Academics
Authors: Scott Philip  , Briggs James  , Wyatt Jeremy  , Georgiou Andrew
Published: February 2025

The disciplinary status of health informatics remains unclear. Is it an art or a science? Does it have a body of theory? A survey was devised for UK academics that teach or research health informatics. Forty-six responses were received, twenty-five from the target group (representing between a quarter and a third of the population of interest). Health informatics is not perceived to have a well-known and clearly definable body of theory, but there is a clear demand for a more theoretical basis for the discipline. Journals and conferences were rated as the best sources of theory and seven key textbooks were identified.
GP Connector – a Tool to Enable Access for General Practitioners to a Standards-Based Personal and Electronic Health Record in the Rhine-Neckar Region
Authors: Heinze Oliver  , Schmuhl Holger  , Bergh Björn
Published: February 2025

Electronic health records (EHR) as well as personal health records (PHR) are in widespread use today. Since several years the University Hospital Heidelberg is implementing a so-called personal and electronic health record (PEHR). The joint approach is standards-based and includes several needed services. However a remained unresolved issue is how to connect general practitioners (GP) and their systems to the record. This work describes a tool called GP Connector that provides access for GPs to the PEHR within the law. GPs can profit from all advantages of the PEHR usage. Only adding documents to the record comfortably through standards-based interfaces remains still open. Thus, deep integration of the PEHR into primary systems is preferable anytime. Yet the continuous trend towards multi-institutional health network may also pave the way for standards-based interfaces also in the field of practice management systems.
When Information Sharing is not Enough
Authors: Brattheim Berit  , Faxvaag Arild  , Toussaint Pieter
Published: February 2025

This paper explores information sharing in multidisciplinary clinical collaboration between three hospitals. Our study draws on qualitative interviews with surgeons and radiologists in two county hospitals and one university hospital. The analysis shows that the actors shared a restricted amount of information about the patients they have in common and that different actors used the shared information in different ways. However, much communication was still needed to clarify and negotiate the meaning of shared data and its implications for collaborative care. To conclude, while the arguments for a shared information space may appear convincing, the communication practice observed should illustrate that IS also needs to support the communicative process in clinical collaborative work.
Can Cloud Computing Benefit Health Services? – A SWOT Analysis
Authors: Kuo Mu-Hsing  , Kushniruk Andre  , Borycki Elizabeth
Published: February 2025

In this paper, we discuss cloud computing, the current state of cloud computing in healthcare, and the challenges and opportunities of adopting cloud computing in healthcare. A Strengths, Weaknesses, Opportunities and Threats (SWOT) analysis was used to evaluate the feasibility of adopting this computing model in healthcare. The paper concludes that cloud computing could have huge benefits for healthcare but there are a number of issues that will need to be addressed before its widespread use in healthcare.
Respiration Tracking Using the Wii Remote Game Controller
Authors: Guirao Aguilar J.  , Bellika J.G.  , Fernandez Luque L.  , Traver Salcedo V.
Published: February 2025

Respiration exercises are an important part in the pulmonary rehabilitation of COPD (chronic obstructive pulmonary disease) patients. Furthermore, previous research has demonstrated that showing respiration pattern helps the patients to improve their breathing skills. We have developed a low cost and non-invasive prototype based on the Wii remote game controller infrared camera to provide BPM (breaths per minute) measurement as feedback. It can also be a comfortable solution without wires, batteries or any kind of electronics but just wearing passive markers. The lab evaluation with 7 healthy individuals showed that this approach is feasible when users are resting of their exercise. The BPM monitored during the tests presented less than 15% of maximum error and the RMSE (root mean square error) was lower than 6% in all the tests. Further research is needed to evaluate and adapt the system for COPD patients. In addition, more work is needed to develop applications that can be built to motivate and guide the users.
Evaluation of Multi-Terminology Super-Concepts for Information Retrieval
Authors: Griffon Nicolas  , Soualmia Lina F.  , Névéol Aurélie  , Massari Philippe  , Thirion Benoit  , Dahamna Badisse  , Darmoni Stefan J.
Published: February 2025

Background: Following a recent change in the indexing policy for French quality controlled health gateway CISMeF, multiple terminologies are now being used for indexing in addition to MeSH®. Objective: To evaluate precision and recall of super-concepts for information retrieval in a multi-terminology paradigm compared to MeSH-only. Methods: We evaluate the relevance of resources retrieved by multi-terminology super-concepts and MeSH-only super-concepts queries. Results: Recall was 8-14% higher for multi-terminology super-concepts compared to MeSH only super-concepts. Precision decreased from 0.66 for MeSH only super-concepts to 0.61 for multi-terminology super-concepts. Retrieval performance was found to vary significantly depending on the super-concepts (p<10−4) and indexing methods (manual vs automatic; p<0.004). Conclusion: A multi-terminology paradigm contributes to increase recall but lowers precision. Automated tools for indexing are not accurate enough to allow a very precise information retrieval.
Evolution of Health Web certification through the HONcode experience
Authors: Boyer Célia  , Baujard Vincent  , Geissbuhler Antoine
Published: February 2025

Today, the Web is a media with increasing pervasiveness around the world. Its use is constantly growing and the medical field is no exception. With this large amount of information, the problem is no longer about finding information but assessing the credibility of the publishers as well as the relevance and accuracy of the documents retrieved from the web. This problem is particularly relevant in the medical area which has a direct impact on the well-being of citizens and in the Web 2.0 context where information publishing is easier than ever. To address the quality of the medical Internet, the HONcode certification proposed by the Health On the Net Foundation (HON) is certainly the most successful initiative. The aims of this paper are to present certification activity through the HONcode experience and to show that certification is more complex than a simple code of conduct. Therefore, we first present the HONcode, its application and its current evolutions. Following that, we give some quantitative results and describe how the final user can access the certified information.
Revisiting the Area Under the ROC
Authors: De Bruijn Berry
Published: February 2025

The Receiver-Operating Characteristic curve or ROC has been a long standing and well appreciated tool to assess performance of classifiers or diagnostic tests. Likewise, the Area Under the ROC (AUC) has been a metric to summarize the power of a test or ability of a classifier in one measurement. This article aims to revisit the AUC, and ties it to key characteristics of the noncentral hypergeometric distribution. It is demonstrated that this statistical distribution can be used in modeling the behaviour of classifiers, which is of value for comparing classifiers.
Prescribing History to Identify Candidates for Chronic Condition Medication Adherence Promotion
Authors: Warren Jim  , Warren Debra  , Yang Hong Yul  , Mabotuwana Thusitha  , Kennelly John  , Kenealy Tim  , Harrison Jeff
Published: February 2025

Poor adherence to long-term prescription medication is a frequent problem that undermines pharmacological control of important risk factors such as hypertension. A medication possession ratio (MPR) can be calculated from Practice Management System (PMS) data to provide a convenient indicator of adherence. We investigate how well prior MPR predicts later MPR, taking MPR<80% as indicative of ‘non-adherence,’ to assess the potential value of MPR calculation on PMS data for targeting adherence promotion activities by general practices. We examine PMS data for two New Zealand metropolitan general practices, one with a predominantly Pacific caseload, across 2008 and 2009. We find prevalence of non-adherence in 2009 to be 51.63% (95% confidence interval [CI] 47.9-55.3) for patients at the Pacific practice and 28.09% (95% CI 25.0-31.1) at the other practice for patients who are demonstrably active with the practice in 2009. The positive predictive value (PPV) of 2008 non-adherence for 2009 non-adherence is 71.80% (95% CI, 66.5-77.1) and negative predictive value (NPV) 61.52% (95% CI 56.9-66.1) for the Pacific practice; PPV is 61.38% (95% CI 54.6-68.2) and NPV is 82.19% (95% CI 79.2-85.2) for the other practice. The results indicate good potential for decision support tools to target adherence promotion.
Data Privacy Preservation in Telemedicine: The PAIRSE Project
Authors: Nageba Ebrahim  , Defude Bruno  , Morvan Franck  , Ghedira Chirine  , Fayn Jocelyne
Published: February 2025

The preservation of medical data privacy and confidentiality is a major challenge in eHealth systems and applications. A technological solution based on advanced information and communication systems architectures is needed in order to retrieve and exchange the patient's data in a secure and reliable manner. In this paper, we introduce the project PAIRSE, Preserving Privacy in Peer to Peer (P2P) environments, which proposes an original web service oriented framework preserving the privacy and confidentiality of shared or exchanged medical data.
Applications of Medical Intelligence in Remote Monitoring
Authors: Vassányi István  , Kozmann György  , Bánhalmi András  , Végsö Balázs  , Kósa István  , Dulai Tibor  , Tarjányi Zsolt  , Tuboly Gergely  , Cserti Péter  , Pintér Balázs
Published: February 2025

Prevention and rehabilitation efficiency can greatly benefit from the application of intelligent, 24 hour tele-diagnostics and tele-care information systems. Tele-monitoring also supports a new level of medical supervision over the patient's lifestyle. In this paper we briefly present the architecture and development phase results of the Alpha remote monitoring system. The novelty of the system is the unified and flexible processing of various signals retrieved from modern, unobtrusive devices in an efficient signal abstraction framework. The signals include PIR motion sensors that record patient movement in the home, physiological signals and also patient responses in various tests performed on the GUI of the central home unit. We have developed and tested the prototype system with promising results.
Virtual TeleRehab: A Case Study
Authors: Pareto Lena  , Johansson Britt  , Zeller Sally  , Sunnerhagen Katharina S.  , Rydmark Martin  , Broeren Jurgen
Published: February 2025

We examined the efficacy of a remotely based occupational therapy intervention. A 40-year-old woman who suffered a stroke participated in a telerehabilitation program. The intervention method is based on virtual reality gaming to enhance the training experience and to facilitate the relearning processes. The results indicate that Virtual TeleRehab is an effective method for motivational, economical, and practical reasons by combining game-based rehabilitation in the home with weekly distance meetings.
Socio-Technical Challenges in Designing a Web-Based Communication Platform
Authors: Grisot Miria  , Van Der Velden Maja  , Vassilakopoulou Polyxeni
Published: February 2025

This paper takes a socio-technical perspective to analyze the ongoing practices of making an eHealth infrastructure, namely a web-based communication platform, which aims to improve healthcare delivery in Norway. The platform is planned to support interaction between patients and healthcare providers, patient access to personal health information, and dissemination of health knowledge to the public. The analysis is based on the ‘scales of infrastructure’ concept found in Information Systems research, which shows the complexity of the design, development and implementation process across three scales of activities for achieving durability: institutionalization, organizing work, and technology enactment. The case analysis brings the non-linearity of the ongoing practices to the foreground, enabling a more in-depth understanding of the relationship between technology design and infrastructural work.
Creating a Magnetic Resonance Imaging Ontology
Authors: Lasbleiz Jérémy  , Saint-Jalmes Hervé  , Duvauferrier Régis  , Burgun Anita
Published: February 2025

The goal of this work is to build an ontology of Magnetic Resonance Imaging. The MRI domain has been analysed regarding MRI simulators and the DICOM standard. Tow MRI simulators have been analysed: JEMRIS, which is developed in XML and C++, has a hierarchical organisation and SIMRI, which is developed in C, has a good representation of MRI physical processes. To build the ontology we have used Protégé 4, owl2 that allows quantitative representations. The ontology has been validated by a reasoner (Fact++) and by a good representation of DICOM headers and of MRI processes. The MRI ontology would improved MRI simulators and eased semantic interoperability.
A Metadata-Based Patient Register for Cooperative Clinical Research: A Case Study in Acute Myeloid Leukemia
Authors: Fischer Anja S.  , Mansmann Ulrich
Published: February 2025

In many medical indications clinical research is organized within study groups which provide and maintain the clinical infrastructure for their randomized clinical trials. Each group also manages a data center where high quality databases store the study specific individual patient data. Sharing this data between study groups is not straightforward. Therefore, a concept is needed which allows to represent a detailed overview on the information available across the cooperating groups. We propose a metadata based patient register and describe a first prototype. It provides information about available patient data sets to interested research partners while the typical register approach only collects a predefined limited core data set. This register implementation enables cooperative groups to allocate clinical data for future research projects in distributed data sources beyond the restrictions of core data sets. Additionally, it supports the research network in communication and data standardization and complies with a governance structure which is compatible with ethical aspects, privacy protection, and patient rights.
Emerging Approaches to Usability Evaluation of Health Information Systems: Towards In-Situ Analysis of Complex Healthcare Systems and Environments
Authors: Kushniruk Andre W.  , Borycki Elizabeth M.  , Kuwata Shigeki  , Kannry Joseph
Published: February 2025

The effective evaluation of health information technology (HIT) is currently a major challenge. It is essential that applications we develop are usable, meet user information needs and are shown to be safe. Furthermore, to provide appropriate feedback to designers of systems new methods for both formative and summative evaluation are needed as applications become more complex and distributed. To ensure system usability a variety of methods have emerged from the area of usability engineering that have been adapted to healthcare. The authors have applied methods of usability engineering, working with hospitals and other healthcare organizations designing and evaluating a range of HIT applications. We describe how our approach to doing portable low-cost usability testing has evolved to the use of clinical simulations conducted in-situ, within real hospital and clinical units to rapidly evaluate the usability and safety of healthcare information systems both before and after system release. We discuss how this approach was extended to development of methods for conducting in-situ clinical simulations in a range of clinical settings.
Medical Informatic Research Management in Academia - the Danish Setting
Authors: Kjær Andersen Stig
Published: February 2025

The condition that the Danish universities have been subject to severe changes through the last decade has had huge consequences for management of research at the level of a discipline as Medical Informatics. The presentation pinpoints some of the instruments, which is on top of the management agenda in the new academic reality in Denmark. Performance contracts, organizational structure, general management, research constraints, ranking and performance issues, economy linked to production, ownership, and incitements are issues affecting the way research are done. The issue of effective research management is to navigate in this reality, ensure inspiration and influx from other environments dealing with medical informatics problems, in theory as well as in praxis - and shield the individual researcher from emerging bureaucracy, leaving room for creativity.
The effect of morphology on the overall physical properties of hydrate-bearing sediments
Authors: Wojtowitz G.
Published: February 2025

Methane gas hydrates have attracted significant international interest due to their potential as a future energy resource, but also as a geotechnical hazard for offshore operations related to hydrocarbon recovery. In this context, the ability to detect and quantify the presence and concentration of hydrate in submarine sediments and understand the effects it has on host sediments has become increasingly important. Detection and quantification of gas hydrates has been inferred via exploratory seismic surveys, which measure indirectly the bulk dynamic properties of sizeable volumes of sediment in situ. Seismic data are then interpreted using an effective medium model, which employs theoretical assumptions to relate wave velocities to gas hydrate content of the sediment. Wave velocity can then be used to infer hydrate concentration levels. Methane gas hydrates occur in situ in a variety of sediments ranging from coarse-grained sands to fine-grained clays and silts, each hosting a variety of morphologies which occur as two basic types, pore-filling and grain-displacing. There are effective medium models for pore-filling morphologies while there is a lack of modeling techniques that consider grain-displacing morphologies and their effect on the physical properties of gas hydrate-bearing sediments. Thus the effect of hydrate morphology on submarine sediments is poorly understood. A numerical modeling approach, based on computational homogenization that has not been applied as yet for gas hydrate-bearing sediments is presented. The approach considers the multi-scale nature of the material from a geotechnical engineering perspective and has the ability to represent material geometry explicitly. The effect of hydrate on the overall seismic properties of the host sediment is portrayed through simulations of nodular and simple vein morphologies with differing hydrate contents. Results show that morphology has a significant effect on the overall material properties, with the effect being more pronounced on the overall compression wave velocity than on the overall shear wave velocity. The ratio of the two velocities (Vp/Vs) differs depending on the type of morphology and can provide insight into the underlying morphology by assisting in the differentiation between nodular and vein morphologies.
Systemic Safety Investigations for Aerospace MRO's
Authors: van Meer Ph.M.  , Ghobbar A.A.  , Stoop J.A.
Published: February 2025

This paper presents the results of a case study aimed at determining how modern accident causation theory can contribute to the safety performance of a specific aerospace MRO-service provider, taking in account existing organizational structures and limitations in available resources. The underlying premise is that learning from what goes wrong is paramount to understanding actual organizational processes.
Air Cargo Information Platform
Authors: Miksa Wojciech G.
Published: February 2025

Common communication provided by World Wide Web and current computing capabilities create opportunity to offer new quality in logistic services and considerable cost reduction of business activities. A potential to increase effectiveness and decreasing cost of business activities in the supply chain exists in optimization of activities on a cross company level. An e-platform is a feasible way to implement IT tools that can enhance collaboration, introduce new distribution channels and facilitate added value services. Possible benefits and technical issues will be investigated. An EU co-funded project Baltic.AirCargo.Net will be presented. During project realization, an information platform for air cargo industry will be developed, based on Imotris platform that has been developed for the maritime freight industry. The platform will contribute to development of regional airports through better interoperability with existing transport networks and improved accessibility to air cargo market.
Numerical Modeling for Stability Analysis of Geocell Reinforced Slopes
Authors: Ghazavi Mahmoud  , Ziaie Moayed R.  , Mehdipour I.
Published: February 2025

Geocell reinforced soil may be used in many areas of geotechnical engineering including slope stabilization. This paper presents a numerical analysis to investigate the behavior of geocell reinforced slopes. The geocell-reinforced mattress was idealized as a beam on foundations. In the analysis, the soil–foundation beam interface resistance was considered. The varying parameters include the depth of placement of the geocell layer, number of geocell layers, vertical spacing between reinforcement, and slope angle. The variation of safety factor and locations of critical failure surfaces have been obtained using strength reduction method. The results show that the most efficient location of one layer geocell is 1/3 the slope height from the slope bottom. In addition, it has been found that the increase of geocell layers results in increasing the factor of safety of the slope. This increase can be attributed to the larger contact area and interlocking between geocell layers and soil.
Different Theories & Numerical Analysis of Anchor Plates in Sand
Authors: Niroumand H.  , Kassim Kh. A.  , Nazir R.
Published: February 2025

This study elucidates the behavior of horizontal anchors in sand based on different theoretical and numerical analyses. This paper presents different theoretical & numerical analysis of anchor plates in loose and dense sand. Numerical methods can be used to estimate the ultimate pullout capacity of anchor plates. This paper discussed different theories and numerical analysis in anchors plates from previous researchers. Analyses, beginning from Meyerhof & Adams (1968) until the most recent analysis such as Sakai & Tanaka (1998) are reviewed. The analysis is pioneered by Vesic (1971), Sarac(1989) and Smit (1989), Krishna(2000), Fargic and Marovic (2003), Merfield and Sloan(2006), Dickin & Lama(2007), Kumar and Bhoi (2008), Kuzer & Kumar(2009) and Niroumand and Kassim(2010). The results are involved different theories and numerical analysis that the results in theoretical and analysis were more than experimental results. According to the results, the ultimate load per bonded length as total length or overburden ratio in the tension anchor plate is increased.
Field Evaluations of the Effects of Stress State, Strain Amplitude and Pore Pressure Generation on Shear Moduli of Geotechnical and MSW Materials
Authors: Stokoe II  , Kenneth H.  , Zalachoris George  , Cox Brady  , Park Kwangsoo
Published: February 2025

Investigations of parameters that affect the dynamic properties of geotechnical materials are regularly performed in the laboratory. For municipal solid waste (MSW), dynamic laboratory studies are only beginning to be performed. Parametric studies of both materials are rarely, if ever, performed in the field. In the past decade, field methods have been developed with which parametric investigations can be conducted. The field methods involve applying staged, static and dynamic loads at the ground surface using footings or load plates as a surface platen. Horizontal dynamic loading to the platen creates a seismic source that generates downward propagating, horizontally polarized shear waves. Embedded arrays of small sensors in the loaded material beneath the surface platen are used to monitor linear and nonlinear shear wave propagation. The field test methods, associated equipment, and testing procedures are described. Field studies of the effects of stress state, strain amplitude and pore pressure generation on shear moduli are presented. Three types of material are investigated: (1) an unsaturated sand, (2) a municipal solid waste, and (3) a saturated, liquefiable silty sand. Shear strains in the range of about 0.0002 to 0.2% were generated in these tests.
Geophysical Characterization of Shear Zone in Direct Shear Test
Authors: Byun Yong-Hoon  , Tran Minh Khoa  , Truong Quang Hung  , Lee Jong-Sub
Published: February 2025

Shear behavior of granular soils largely affects the safety and stability of underground and earth structures. This study presents the characteristics of the shear zone in a direct shear test using shear wave and electric resistivity measurements. An innovative direct shear box made of transparent non-conductive acrylic material has been developed to prevent electrical interference. Bender elements and electric resistivity probes are embedded in the wall of the direct shear box to estimate the shear wave velocities and the electric resistivity at the shear and non-shear zones. Experimental results show that, at the shear zone, the shear wave velocity increases and the electric resistivity increases and decreases in the loose and dense specimens during shearing. At the non-shear zone, the shear wave velocity and electric resistivity remain constant regardless of the relative density. The results demonstrate correlation among the shear stress, vertical strain, small strain shear modulus, and void ratio at shear zone. This study suggests that the application of the modified direct shear box including shear wave and electric resistivity measurements may become an effective tool for analyzing soil behavior at the shear zone.