| 1. |
- Abrahamsson, Gun, 1977-, et al.
(författare)
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Ekonomiska ansvarsenheter
- 2013. - 1
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Ingår i: Perspektiv på ekonomistyrning. - Stockholm : Liber. - 9789147096947 ; , s. 14-35
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 2. |
- Ahmed, Mobyen Uddin, 1976-, et al.
(författare)
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Health monitoring for elderly : an application using case-based reasoning and cluster analysis
- 2013
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Ingår i: ISRN Artificial Intelligence. - Sweden : Hindawi Limited. - 2090-7435 .- 2090-7443. ; 2013:2013, s. 1-11
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents a framework to process and analyze data from a pulse oximeter which measures pulse rate and blood oxygen saturation from a set of individuals remotely. Using case-based reasoning (CBR) as the backbone to the framework, records are analyzed and categorized according to how well they are similar. Record collection has been performed using a personalized health profiling approach where participants wore a pulse oximeter sensor for a fixed period of time and performed specific activities for pre-determined intervals. Using a variety of feature extraction in time, frequency and time-frequency domains, and data processing techniques, the data is fed into a CBR system which retrieves most similar cases and generates alarm and flag according to the case outcomes. The system has been compared with an expert's classification and 90% match is achieved between the expert's and CBR classification. Again, considering the clustered measurements the CBR approach classifies 93% correctly both for the pulse rate and oxygen saturation. Along with the proposed methodology, this paper provides a basis for which the system can be used in analysis of continuous health monitoring and be used as a suitable method as in home/remote monitoring systems.
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| 3. |
- Ahmed, Mobyen Uddin, 1976-, et al.
(författare)
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Physical Activity Classification for Elderly based on Pulse Rate
- 2013
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Ingår i: Studies in Health Technology and Informatics, vol. 189. - : IOS Press. - 9781614992677 ; , s. 152-157
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Konferensbidrag (refereegranskat)abstract
- Physical activity is one of the key components for elderly in order to be actively ageing. However, it is difficult to differentiate and identify the body movement and actual physical activity using only accelerometer measurement. Therefore, this paper presents an application of case-based retrieval classification scheme to classify the physical activity of elderly based on pulse rate measurements. Here, case-based retrieval approach used the features extracted from both time and frequency domain. The evaluation result shows the best accuracy performance while considering the combination of time and frequency domain features. According to the evaluation result while considering the control measurements, the sensitivity, specificity and overall accuracy are achieved as 95%, 96% and 96% respectively. Considering the test dataset, the system was succeeded to identify 13 physical activities out of 16 i.e. the percentage of the correctness was 81%.
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| 4. |
- Ahmed, Mobyen Uddin, 1976-, et al.
(författare)
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Physical activity identification using supervised machine learning and based on pulse rate
- 2013
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Ingår i: International Journal of Advanced Computer Sciences and Applications. - : The Science and Information (SAI) Organization. - 2158-107X .- 2156-5570. ; 4:7, s. 210-217
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Tidskriftsartikel (refereegranskat)abstract
- Physical activity is one of the key components for elderly in order to be actively ageing. Pulse rate is a convenient physiological parameter to identify elderly’s physical activity since it increases with activity and decreases with rest. However, analysis and classification of pulse rate is often difficult due to personal variation during activity. This paper proposed a Case-Based Reasoning (CBR) approach to identify physical activity of elderly based on pulse rate. The proposed CBR approach has been compared with the two popular classification techniques, i.e. Support Vector Machine (SVM) and Neural Network (NN). The comparison has been conducted through an empirical experimental study where three experiments with 192 pulse rate measurement data are used. The experiment result shows that the proposed CBR approach outperforms the other two methods. Finally, the CBR approach identifies physical activity of elderly 84% accurately based on pulse rate
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| 5. |
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| 6. |
- Banaee, Hadi, 1986-, et al.
(författare)
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A framework for automatic text generation of trends in physiological time series data
- 2013
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Ingår i: IEEE International Conference on Systems, Man, and Cybernetics, 13-16 Oct. 2013, Manchester. - : IEEE conference proceedings. - 9781479906529 - 9780769551548 ; , s. 3876-3881
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Konferensbidrag (refereegranskat)abstract
- Health monitoring systems using wearable sensorshave rapidly grown in the biomedical community. The mainchallenges in physiological data monitoring are to analyse largevolumes of health measurements and to represent the acquiredinformation. Natural language generation is an effective methodto create summaries for both clinicians and patients as it candescribe useful information extracted from sensor data in textualformat. This paper presents a framework of a natural languagegeneration system that provides a text-based representation ofthe extracted numeric information from physiological sensorsignals. More specifically, a new partial trend detection algorithmis introduced to capture the particular changes and events ofhealth parameters. The extracted information is then representedconsidering linguistic characterisation of numeric features. Ex-perimental analysis was performed using a wearable sensor and demonstrates a possible output in natural language text.
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| 7. |
- Banaee, Hadi, 1986-, et al.
(författare)
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Data mining for wearable sensors in health monitoring systems : a review of recent trends and challenges
- 2013
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Ingår i: Sensors. - Basel : MDPI. - 1424-8220. ; 13:12, s. 17472-17500
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Tidskriftsartikel (refereegranskat)abstract
- The past few years have witnessed an increase in the development of wearable sensors for health monitoring systems. This increase has been due to several factors such as development in sensor technology as well as directed efforts on political and stakeholder levels to promote projects which address the need for providing new methods for care given increasing challenges with an aging population. An important aspect of study in such system is how the data is treated and processed. This paper provides a recent review of the latest methods and algorithms used to analyze data from wearable sensors used for physiological monitoring of vital signs in healthcare services. In particular, the paper outlines the more common data mining tasks that have been applied such as anomaly detection, prediction and decision making when considering in particular continuous time series measurements. Moreover, the paper further details the suitability of particular data mining and machine learning methods used to process the physiological data and provides an overview of the properties of the data sets used in experimental validation. Finally, based on this literature review, a number of key challenges have been outlined for data mining methods in health monitoring systems
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| 8. |
- Carrington, Thomas, 1974-, et al.
(författare)
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An empirical test of the hierarchical construct of professionalism and managerialism in the accounting profession
- 2013
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Ingår i: Behavioral Research in Accounting. - : American Accounting Association. - 1050-4753 .- 1558-8009. ; 25:2, s. 1-20
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Tidskriftsartikel (refereegranskat)abstract
- Research into the tension between professionalism and commercialism in the accounting profession is inconclusive and warrants greater attention. How to conceptualize and measure these constructs are thus pressing concerns. Using questionnaire data from 1646 auditors in Sweden, and applying confirmatory factor analysis and structural regression models within a structural equation modeling framework to a measurement model developed by Suddaby et al. (2009), we find little empirical evidence for the existence of the two logics of professionalism and managerialism (i.e., commercialism) as two higher-order latent constructs shared by auditors. However, we find that two sub-elements of the proposed higher-order constructs do discriminate between each other in a way that could indicate two exclusive value statements in the accounting profession connected to the professionalism-commercialism tension: these are the respective emphases on independence enforcement and client commitment.
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| 9. |
- Eilegård Wallin, Alexandra, 1975-, et al.
(författare)
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Bereaved siblings' perception of participating in research : a nationwide study
- 2013
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Ingår i: Psycho-Oncology. - : John Wiley & Sons. - 1057-9249 .- 1099-1611. ; 22:2, s. 411-416
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Tidskriftsartikel (refereegranskat)abstract
- ObjectiveThe objective of the present study is to examine bereaved siblings' perception of research participation.MethodsA Swedish nationwide study on avoidable and modifiable health care‐related factors in paediatric oncology among bereaved siblings who lost a brother or sister to cancer between the years 2000 and 2007 was conducted. Data are presented as proportions, and the differences between groups were statistically tested at the 5% significant level using Fisher's exact test.ResultsOut of 240 eligible siblings, 174 responded (73 %). None of the siblings (0/168) thought their participation would affect them negatively in the long term. However, 13% (21/168) stated it was a negative experience to fill out the questionnaire, whereas 84% (142/169) found it to be a positive experience. Women were more likely to report their participation as positive in a long‐term perspective compared with men (p = 0.018).ConclusionsNone of the bereaved siblings in this Swedish nationwide study anticipated any long‐term negative effect from their research participation. A majority reported it as positive to revisit their needs and experiences throughout their brother or sister's illness and death 2–9 years following the loss. We believe that the stepwise approach used in this study contributed to the high acceptance.
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| 10. |
- Eilegård Wallin, Alexandra, 1975-, et al.
(författare)
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Psychological health in siblings who lost a brother or sister to cancer 2 to 9 years earlier.
- 2013
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Ingår i: Psycho-Oncology. - : Wiley. - 1057-9249 .- 1099-1611. ; 22:3, s. 683-691
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The objective of this study was to assess long-term psychological distress in siblings who lost a brother or sister to cancer 2 to 9 years earlier, as compared with a control group of non-bereaved siblings from the general population.METHODS: During 2009, we conducted a nationwide follow-up study in Sweden by using an anonymous study-specific questionnaire. Siblings who had lost a brother or sister to cancer between the years 2000 and 2007 and also a control group of non-bereaved siblings from the general population were invited to participate. The Hospital Anxiety and Depression Scale (HADS) was used to measure psychological distress, and to test for differences in the ordinal outcome responses between the groups, we used Wilcoxon-Mann-Whitney rank-sum test.RESULTS: Among the bereaved siblings, 174/240 (73%) participated and 219/293 (75%) among the non-bereaved. Self-assessed low self-esteem (p = 0.002), difficulties falling asleep (p = 0.005), and low level of personal maturity (p = 0.007) at follow-up were more prevalent among bereaved siblings. However, anxiety (p = 0.298) and depression (p = 0.946), according to HADS, were similar.CONCLUSION: Bereaved siblings are at increased risk of low self-esteem, low level of personal maturity and difficulties falling asleep as compared with non-bereaved peers. Yet, the bereaved were not more likely to report anxiety or depression.
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