Data Mining - Concepts and Techniques.

An overview of the self-organizing map algorithm, on which the papers in this issue are based, is presented in this article.

The Self-Organizing Map

In this paper, we review some advances made recently in the study of mobile phone datasets. This area of research has emerged a decade ago, with the increasing availability of large-scale anonymized datasets, and has grown into a stand-alone topic. We survey the contributions made so far on the social networks that can be constructed with such data, the study of personal mobility, geographical partitioning, urban planning, and help towards development as well as security and privacy issues.

/pdf/a-survey-of-results-on-mobile-phone-datasets-analysis-3ii9qbn03f.pdf

A survey of results on mobile phone datasets analysis

Data analysis often involves the comparison of complex objects. With the ever increasing amounts and complexity of data, the demand for systems to help with these comparisons is also growing. IncreasingLy, information visuaLization tools support such comparisons explicitLy, beyond simply aLLowing a viewer to examine each object individually. In this paper, we argue that the design of information visualizations of complex objects can, and should, be studied in general, that is independently of what those objects are. As a first step in developing this general understanding of comparison, we propose a general taxonomy of visual designs for comparison that groups designs into three basic categories, which can be combined. To clarify the taxonomy and validate its completeness, we provide a survey of work in information visualization related to comparison. Although we find a great diversity of systems and approaches, we see that all designs are assembled from the building blocks of juxtaposition, superposition and explicit encodings. This initial exploration shows the power of our model, and suggests future challenges in developing a generaL understanding of comparative visualization and faciLitating the development of more comparative visualization tools.

Visual comparison for information visualization

A high-resolution stochastic model of domestic activity patterns and electricity demand

The purpose of this paper is to present how, using a visualization method, electricity use can be derived from the everyday activity patterns of household members. Target groups are, on the one han ...

http://liu.diva-portal.org/smash/get/diva2:455431/FULLTEXT01.pdf

Appliances facilitating everyday life - electricity use derived from daily activities

The living conditions for persons with severe mental illness have undergone substantial change in Sweden as well as in the rest of the Western world due to the downsizing of inpatient care and the development of community-based interventions. However, there is a lack of knowledge concerning the “trajectories of interventions” in this new, fragmented, institutional landscape. The aim of the study was to explore types of interventions and when they occur in a 10-year follow-up of 437 women and men diagnosed with psychosis for the first time. Based on registers and using a timegeographic visualization method, the results showed a great diversity of trajectories and differences between sexes. The aggregate picture revealed that over the 10-year period there were considerable periods with no interventions for both men and women. Furthermore, institutional interventions more commonly occurred among women but appeared for longer periods among men. Community-based interventions declined among women and increased among men during the period.

A longitudinal study of men and women diagnosed with psychosis: trajectories revealing interventions in a time-geographic framework

Visual Exploration of Climate-Related Volunteered Geographic Information

Sjalvmord ar ett allvarligt folkhalsoproblem. Varje ar sker omkring 1100 konstaterade suicid i Sverige och uppskattningsvis sker cirka 10 % av samtliga fall inom transitsystemet. Under aren 2012–20 ...

Situationsförhållanden vid suicid på tågplattformar : En analys med hjälp av material från övervakningskameror (CCTV)

A diversity of patterns: 10-year trajectories of men and women diagnosed with psychosis for the first time. A time-geographic approach

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