Research Publications
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| Abstract—In this paper, we study the well-known phase transition behavior of connectivity in a wireless multi-hop network, but, in contrast to other studies, in a shadowing environment. We consider that a total of n nodes are randomly, independently ... A smart camera processor has to perform substantial amount of processing of data-intensive operations. Hence, it is vital to identify critical segments of the processing load by involving HW/SW codesign in smart camera system design. This paper presents ... The stable marriage problem has a wide variety of practical applications, including matching resident doctors to hospitals, and stu- dents to schools. In the classical stable marriage problem, both men and women express a strict order over the members ... For many voting rules, it is NP-hard to compute a successful manipulation. However, NP-hardness only bounds the worst-case complexity. Recent theoretical results suggest that manipulation may often be easy in practice. We study empirically the cost of ... We show how topic models are useful for interpreting and understanding MeSH, the Medical Subject Headings applied to articles in MEDLINE. We show how our resampled author model captures some of the advantages of both the topic model and the author-topic ... Domain-specific terms provide vital semantic information for natural language processing (NLP) tasks and applications, but remain a largely untapped resource in the field. In this paper, we propose an unsupervised method to extract domain-specific terms ... The inherent nature of image and video and its multi-dimension data space makes its processing and interpretation a very complex task, normally requiring considerable processing power. Moreover, understanding the meaning of video content and storing it in... A smart camera processor has to perform substantial amount of processing of data-intensive operations. Hence, it is vital to identify critical segments of the processing load by involving HW/SW codesign in smart camera system design. This paper presents a... A trajectory is a sequence of locations, each associated with a timestamp, describing the movement of a point. Trajectory data is becoming increasingly available and the size of recorded trajectories is getting larger. In this paper we study the problem ... EDOC 2009 Short Papers organized by João Paulo A. Almeida, Gillian Dobbie. EDOC 2009 Workshops: 1) Dynamic and Declarative Business Processes (DDBP) 2009 organized by Dragan Gašević, Georg Grossmann, Sylvain Hallé; 2) Middleware for Web Services (... Location information for sensors in wireless sensor networks (WSNs) is essential to many tasks. In the presence of noise, locations must be estimated and thus the errors are unavoidable. Moreover, the errors can propagate (i.e. increase) as sensors ... Todd Proebsting’s 1998 pronouncement that compiler optimisation re- search only results in marginal performance improvements was accom- panied by the gloomy suggestion that perhaps researchers should spend their time in areas more likely to yield large ... This paper proposes an efficient method for detecting ghost and left objects in surveillance video, which, if not identified, may lead to errors or wasted computational power in background modeling and object tracking in video surveillance systems. This ... This paper describes a concept for supporting distributed hands-on collaboration through interaction design for the physical and the digital workspace. The Blended Interaction Spaces concept creates distributed work environments in which ... |