Danielle Sent

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This article provides a framework to describe and compare content-based image retrieval systems. Sixteen contemporary systems are described in detail, in terms of the following technical aspects: querying, relevance feedback, result presentation , features, and matching. For a total of 44 systems we list the features that are used. Of these systems, 35 use(More)
BACKGROUND The Internet is viewed as an important source for health information and a medium for patient empowerment. However, little is known about how seniors use the Internet in relation to other sources for health information. OBJECTIVE The aim was to determine which information resources seniors who use the Internet use and trust for health(More)
Short consultations and a large and growing amount of available medical information make searching for suitable information difficult for general practitioners. Thus information is often not searched for or not found, diminishing the quality of care. We propose a system that offers decision support by combining medical information sources with data from the(More)
Decision-support systems often include a strategy for selecting tests in their field of application. This strategy in essence captures procedural knowledge and serves to provide support for the reasoning processes involved. Generally, a test-selection strategy is offered in which tests are selected sequentially. For our field of application, we noticed that(More)
The internet is viewed as an important channel for patient empowerment, enabling patients to feel more knowledgeable and take action to improve their own health. Internet use among seniors in the Netherlands is increasing, but it is not known if they also use it for health information, nor if seeking information on the internet has different consequences(More)
Most test-selection algorithms currently in use with probabilistic networks select variables myopically, that is, variables are selected sequentially, on a one-by-one basis, based upon expected information gain. While myopic test selection is not realistic for many medical applications, non-myopic test selection, in which information gain would be computed(More)
Decision-support systems in medicine should be equipped with a facility that provides patient-tailored information about which test had best be performed in which phase of the patient's management. A decision-support system with a good test-selection facility may result in ordering fewer tests, decreasing financial costs, improving a patient's quality of(More)