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A Logical Framework for Behaviour Reasoning and Assistance in a Smart Home
Liming Chen,Chris Nugent,Maurice Mulvenna,Dewar Finlay,Xin hong,and Michael Poland 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2008 International Journal of Assistive Robotics and Me Vol.9 No.4
Smart Homes(SH) have emerged as a realistic intelligent assistive environment capable of providing assistive living for the elderly and the disabled. Nevertheless, it still remains a challenge to assist the inhabitants of a SH in performing the ""right"" action(s) at the ""right"" time in the ""right"" place. To address this challenge, this paper introduces a novel logical framework for cognitive behavioural modelling, reasoning and assistance based on a highly developed logical theory of actions - the Event Calculus. Cognitive models go beyond data- centric behavioural models in that they govern an inhabitant's behaviour by reasoning about its knowledge, actions and environmental events. In our work we outline the theoretical foundation of such and approach and describe cognitive modelling of SH. We discuss the reasoning capabilities and algorithms of the cognitive SH model and present the details of the various tasks it can support. A system architecture is proposed to illustrate the use of the framework in facilitating assistive living. We demonstrate the perceived effectiveness of the approach through presentation of its operation in the context of a real world daily activity scenario.
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Clinicopathological Significance of Osteopontin in Cholangiocarcinoma Cases
Laohaviroj, Marut,Chamgramol, Yaovalux,Pairojkul, Chawalit,Mulvenna, Jason,Sripa, Banchob Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.1
Cholangiocarcinoma (CCA) is generally a rare primary liver tumor of the bile duct with extremely poor clinical outcomes due to late diagnosis. Osteopontin (OPN) is the most abundant expressed gene in intrahepatic CCA and its involvement in tumor aggressiveness suggests it could be a useful prognostic biomarker. However, the prognostic significance of OPN expression in CCA is still controversial. We therefore immunohistochemically studied OPN expression in 354 resected CCAs and correlated the results with patient clinicopathological parameters. OPN expression was separately scored according to the percentage of cancer cells or degree of stromal tissue staining and classified as low (score 0-1) and high (score 2-3). OPN expression in CCA cells was found in 177 out of 354 patients (56.5%), whereas stroma was positive in 185 out of 354 patients (52.3%). Univariate analysis with several of the aforementioned parameters revealed that stromal but not cancer cell OPN expression was significantly associated with tumor size, tumor direct invasion into normal liver parenchyma, regional lymph node metastasis and higher staging. The combination of cancer cell and stromal OPN expression demonstrated a positive trend for linkage with lymph node metastasis. Multivariate analysis identified gender, the presence of lymphatic permeation and lymph node metastasis, but not OPN expression, as independent prognostic factors. This study confirms the presence of stromal OPN expression in tumor aggressiveness but not survival in CCA patients.
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A Logical Framework for Behaviour Reasoning and Assistance in a Smart Home
Liming Chen,Chris Nugent,Maurice Mulvenna,Dewar Finlay,Xin Hong,Michael Poland 동국대학교 정보융합기술원 2008 International Journal of Assistive Robotics and Sy Vol.9 No.4
Smart Homes (SH) have emerged as a realistic intelligent assistive environment capable of providing assistive living for the elderly and the disabled. Nevertheless, it still remains a challenge to assist the inhabitants of a SH in performing the “right” action(s) at the “right” time in the “right” place. To address this challenge, this paper introduces a novel logical framework for cognitive behavioural modelling, reasoning and assistance based on a highly developed logical theory of actions - the Event Calculus. Cognitive models go beyond datacentric behavioural models in that they govern an inhabitant’s behaviour by reasoning about its knowledge, actions and environmental events. In our work we outline the theoretical foundation of such an approach and describe cognitive modelling of SH. We discuss the reasoning capabilities and algorithms of the cognitive SH model and present the details of the various tasks it can support. A system architecture is proposed to illustrate the use of the framework in facilitating assistive living. We demonstrate the perceived effectiveness of the approach through presentation of its operation in the context of a real world daily activity scenario.
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From Compliance to Context - Advancing Assistive Technology Capabilities for Medication Management
CD Nugent,P Fiorini,DD Finlay,RJ Davies,MD Mulvenna,ND Black 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2005 International Journal of Assistive Robotics and Me Vol.6 No.4
It is a well known fact that patients do not always comply with their prescribed medication regimes. This may be partly attributed to the complexity surrounding the compliance issue itself. Issues relating to compliance involve a number of stakeholders in the supply-to-intake chain of medication and in addition are complicated further by the manner in which the medication is prescribed, delivered and taken. This paper presents an innovative electromechanical compliance aid which can be used within a person"s home and can be monitored remotely via Internet based technologies. The technology developed has been evaluated in 4 pilot sites and initial results have shown its usage to improve patient compliance levels and also to reduce the workload of stakeholders involved in home based support of medication management. The paper concludes with a vision of consolidating the proposed technical solution with advances in context prediction to further improve home based medication management services.
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