Download Map-based Mobile Services Design Interaction and Usability by Liqiu Meng, Alexander Zipf, Stephan Winter PDF

By Liqiu Meng, Alexander Zipf, Stephan Winter

This ebook reviews the most recent study and technical achievements at the following subject matter blocks: layout of cellular map prone and its constraints, typology and value of cellular map companies, visualization recommendations on small screens for time-critical projects, cellular map clients, interplay and version in cellular environments and functions of map-based cellular services.

Show description

Read or Download Map-based Mobile Services Design Interaction and Usability PDF

Best information systems books

Map-based Mobile Services Design Interaction and Usability

This ebook reviews the most recent learn and technical achievements at the following subject blocks: layout of cellular map companies and its constraints, typology and usefulness of cellular map prone, visualization recommendations on small screens for time-critical initiatives, cellular map clients, interplay and variation in cellular environments and functions of map-based cellular prone.

E-Development: From Excitement to Effectiveness

Info and communique applied sciences (ICTs) are more and more being famous as crucial instruments of development—tools which may empower negative humans, increase talents, bring up productiveness and enhance governance in any respect degrees. The good fortune of ICT-enabled improvement (or e-development) will hence now not be measured via the diffusion of know-how, yet via advances in improvement itself: financial development and, finally, fulfillment of the Millenium improvement targets.

Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS

An built-in strategy that mixes crucial GIS history with a realistic workbook on employing the foundations in ArcGIS 10. zero and 10. 1

Introducing Geographic details platforms with ArcGISintegrates a extensive advent to GIS with a software-specific workbook for Esri's ArcGIS. the place such a lot classes make do utilizing separate texts, one masking GIS and one other the software program, this e-book permits scholars and teachers to take advantage of a unmarried textual content with an built-in process protecting either in a single quantity with a standard vocabulary and tutorial style.

This revised version makes a speciality of the most recent software program updates—ArcGIS 10. zero and 10. 1. as well as its already profitable insurance, the booklet permits scholars to event publishing maps on the web via new routines, and introduces the belief of programming within the language Esri has selected for purposes (i. e. , Python). A DVD is packaged with the e-book, as in previous variants, containing facts for understanding the entire exercises.

This whole, simple coursebook:
Is up to date for the newest ArcGIS releases—ArcGIS 10. zero and 10. 1
Introduces the vital techniques of GIS and themes had to comprehend spatial info analysis
Provides a substantial skill to function very important instruments in ArcGIS
Demonstrates new functions of ArcGIS 10. zero and 10. 1
Provides a foundation for the complex examine of GIS and the examine of the newly rising box of GIScience

Introducing Geographic details platforms with ArcGIS, 3rd version is the perfect advisor for undergraduate scholars taking classes corresponding to advent to GIS, basics of GIS, and creation to ArcGIS machine. it's also a major advisor for pros trying to replace their abilities for ArcGIS 10. zero and 10. 1.

Additional info for Map-based Mobile Services Design Interaction and Usability

Example text

For both routes the descriptions resulted in a number of different route choices, so not all descriptions have the same content. The route descriptions were analysed with regards to the landmarks used. All referenced objects were counted and divided into groups of object types. Here five different groups were distinguished: Buildings, monuments (statues), plazas (like market squares or big traffic junctions), references to public transport (underground stations, bus stops, tram tracks) and others (parks, bridges, pedestrian zones, stairs, cemeteries).

Various algorithms have been proposed to solve the labeling problem as a maximum independent set problem. For example, Kakoulis and Tollis (1998) propose a general approach to labeling based on the conflict graph and its connected components. They use a greedy heuristic for maximum independent set to split these components into cliques (a clique in an undirected graph G, is a set of vertices V such that for every two vertices in V, there exists an edge connecting the two). Finally they construct a graph where the identified cliques and the features of the problem (points, lines or area) become nodes.

These approaches are currently confined to the investigation of buildings as landmark objects. As a matter of fact, other topographic objects like parks, bridges, and railroad tracks are also suitable as landmarks and can be extracted from existing databases (Elias and Sester, 2002). The integration of landmarks into wayfinding descriptions requires a careful analysis of the elements and structure of verbal wayfinding instructions. Research in this direction reveals that an ontology for the wayfinding task is needed (Winter, 2002).

Download PDF sample

Rated 4.29 of 5 – based on 28 votes