In this paper we describe two projects relevant for automating user tasks. The first one, EUROHELP was aimed at tools and methods for developing Intelligent Help Systems (IHS). Experiences and accomplishments in this project shed light on understanding and monitoring task performance of users. The major bottleneck appears the lack of understanding of the content of user tasks, calling for resea...

User interfaces in modeling have traditionally followed the WIMP (Window, Icon, Menu, Pointer) paradigm. Though functional and very powerful, they can also be cumbersome and daunting to a novice user, and creating a complex model requires considerable expertise and effort. A recent trend is toward more accessible and natural interfaces, which has lead to sketch-based interfaces for modeling (SB...

The requirement for development of CBIR is enhanced due to tremendous growth in volume of images as well as the widespread application in multiple fields. Texture, color, shape and spatial layout are the underlying traits to represent and index the images. These peculiar features of images are extracted and implemented for a similarity check among images. The problem of content based image retr...

Survey based measures of inflation expectations are not informationally efficient yet carry important information about future inflation. This paper explores the economic significance of informational inefficiencies of survey expectations. A model selection algorithm is applied to the inflation expectations of households and professionals using a large panel of macroeconomic data. The expectati...

Motion perception and interpretation plays an important role in the human visual system. It helps us recognize diierent objects and their motion in a scene, infer their relative depth, their rigidity, etc. In psychology, this process has been studied extensively by Johansson using moving light displays (MLDs). MLDs consist of bright spots attached to the joints of an actor dressed in black, and...

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BACKGROUND In the United States, liquid-based cytology (LBC) has become a common screening method for cervical cancer. However, the extent of LBC use, and how it varies by patient and practice characteristics, is unknown. OBJECTIVE This report describes the ordering and provision of Papanicolaou (Pap) tests, with a major focus on the extent to which LBC has supplanted conventional cytology. T...

The fear of speaking is often cited as the world's most common social phobia. The rapid growth of computer technology enabled us to use virtual reality (VR) for the treatment of the fear of public speaking. There have been two techniques used to construct a virtual environment for the treatment of the fear of public speaking: model-based and movie-based. Virtual audiences and virtual environmen...

Abstract Currently, human sensing draws much attention in the field of ubiquitous computing, and based on WiFi CSI (channel state information) becomes a hot research topic due to easy deployment availability devices. Although various applications signal model are emerging, model-based approach has not been studied thoroughly. This paper provides comprehensive survey latest methods their applica...