We are surrounding by sensor networks such as healthcare, home or environmental monitoring, weather forecasting, etc. All sensor-based applications proposed are domain-specific. We aim to link these heterogeneous sensor networks to propose promising applications. Existing applications add semantics to the sensor n etworks, more specifically, to the context, rather than to the sensed data. We pr...

This study explores the extent to which richer central cities are associated with slower suburban sprawl. The authors use a unique approach to categorizing municipalities in urbanized areas based on their relative densities. Richness is measured in terms of the central city’s relative share of high-income households. The central finding (both for the decade from 1990 to 2000 and for 2000 to 200...

We describe the use of the Haskell testing package QuickCheck to aid in the debugging of the operational and denotational semantics of a hardware compilation language called Handel-C.

Various successful methods for synonym acquisition are based on comparing context vectors acquired from a monolingual corpus. However, a domain-specific corpus might be limited in size and, as a consequence, a query term’s context vector can be sparse. Furthermore, even terms in a domain-specific corpus are sometimes ambiguous, which makes it desirable to be able to find the synonyms related to...

Research on expert-novice differences has mainly focused on how experts solve familiar problems. We know far less about the skills and knowledge used by experts when they are confronted with novel problems within their area of expertise. This article discusses a study in which verbal protocols were taken from subjects of various expertise designing an experiment in on area with which they were ...

The N3 imino units of dihydrouridine were identified in samples of I5N-Iabeled Escherichia coli tRNAret, tRNALy., and tRNAPhe by IH_15N two-dimensional NMR. The peaks for dihydrouridine had high field 1 H (9.7-9.8 ppm) and I5N (147.8-149.5 ppm) chemical shifts. Assignments were made by IH_IoN chemical shift correlation based on values obtained in model studies with tri-O-benzoyland tri-O-acetyl...

We introduce a UML-based model for conceptual design support in civil engineering. Therefore, we identify required extensions to standard UML. Class diagrams are used for elaborating building typespecific knowledge: Object diagrams, implicitly contained in the architect’s sketch, are validated against the defined knowledge. To enable the use of industrial, domain-specific tools, we provide an i...

Systems are getting more and more complex and usually involve many stakeholders. Stakeholders are concerned by different aspects of the system, potentially supported by multiple Domain Specific Modeling Languages (DSMLs). The DSMLs are usually different not only in their syntax but also in their behavioral semantics. In order to provide simulation and/or verification of the overall system, it i...

Domain Specific Modeling Languages (DSMLs) are essential elements in Model-based Engineering. Each DSML allows capturing certain properties of the system, while abstracting other properties away. Nowadays DSMLs are mostly used in silos to solve specific problems. However, there are many occasions when multiple DSMLs need to be combined to design systems in a modular way. In this paper we discus...

The use of graphical user interfaces in a computerised work environment is often considered to substantially improve the work situation. The outcome can, however, often be the opposite. Inappropriate use of windowing techniques, scrolling and colours can result in tedious and confusing interaction with the computer. Today's standards and style guides define basic design principles but are insuf...