Tapani Sarjakoski

According to our database, Tapani Sarjakoski authored at least 31 papers between 1992 and 2019.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of five.

2019

Map Gretel: social map service supporting a national mapping agency in data collection.

Mikko Rönneberg, Mari Laakso, Tapani Sarjakoski

J. Geogr. Syst., 2019

Automatic determination of stream networks from DEMs by using road network data to locate culverts.

Ville Mäkinen, Juha Oksanen, Tapani Sarjakoski

Int. J. Geogr. Inf. Sci., 2019

2018

A compiler approach to map algebra: automatic parallelization, locality optimization, and GPU acceleration of raster spatial analysis.

Jesús Carabaño, Jan Westerholm, Tapani Sarjakoski

GeoInformatica, 2018

Near real-time coastal flood inundation simulation with uncertainty analysis and GPU acceleration in a web environment.

Janne Kovanen, Juha Oksanen, Tapani Sarjakoski

Comput. Geosci., 2018

2017

User Interfaces and Adaptive Maps.

L. Tiina Sarjakoski, Tapani Sarjakoski

Proceedings of the Encyclopedia of GIS., 2017

2016

Concept Design of #hylo - Geosocial Network for Sharing Hyperlocal Information on a Map.

Hanna-Marika Halkosaari, Mikko Rönneberg, Mari Laakso, Pyry Kettunen, Juha Oksanen, Tapani Sarjakoski

Proceedings of the Progress in Location-Based Services 2016, 2016

2015

Tilewise Accumulated Cost Surface Computation with Graphics Processing Units.

Janne Kovanen, Tapani Sarjakoski

ACM Trans. Spatial Algorithms Syst., 2015

Efficient Implementation of a Fast Viewshed Algorithm on SIMD Architectures.

Jesús Carabaño Bravo, Tapani Sarjakoski, Jan Westerholm

Proceedings of the 23rd Euromicro International Conference on Parallel, 2015

2014

A full graphics processing unit implementation of uncertainty-aware drainage basin delineation.

David Eränen, Juha Oksanen, Jan Westerholm, Tapani Sarjakoski

Comput. Geosci., 2014

A User Study of Experimental Maps for Outdoor Activities.

Juha Oksanen, Hanna-Marika Halkosaari, Tapani Sarjakoski, L. Tiina Sarjakoski

Cartogr. Int. J. Geogr. Inf. Geovisualization, 2014

2013

An Information Model for Pedestrian Routing and Navigation Databases Supporting Universal Accessibility.

Mari Laakso, Tapani Sarjakoski, Lassi Lehto, L. Tiina Sarjakoski

Cartogr. Int. J. Geogr. Inf. Geovisualization, 2013

A Multi-modal Communication Approach to Describing the Surroundings to Mobile Users.

Janne Kovanen, Tapani Sarjakoski, L. Tiina Sarjakoski

Proceedings of the Web and Wireless Geographical Information Systems, 2013

2012

Analysis of verbal route descriptions and landmarks for hiking.

L. Tiina Sarjakoski, Pyry Kettunen, Hanna-Marika Flink, Mari Laakso, Mikko Rönneberg, Tapani Sarjakoski

Pers. Ubiquitous Comput., 2012

Geospatial images in the acquisition of spatial knowledge for wayfinding.

Pyry Kettunen, Katja Irvankoski, Christina M. Krause, Tapani Sarjakoski, L. Tiina Sarjakoski

J. Spatial Inf. Sci., 2012

2011

Comparison of distribution strategies in uncertainty-aware catchment delineation.

Tomas Ukkonen, Juha Oksanen, Tapani Rousi, Tapani Sarjakoski

GeoInformatica, 2011

Improving Accessibility Information in Pedestrian Maps and Databases.

Mari Laakso, Tapani Sarjakoski, L. Tiina Sarjakoski

Cartogr. Int. J. Geogr. Inf. Geovisualization, 2011

2010

Erratum to "Map generalization and schema transformation of geospatial data combined in a Web Service context [Computers, Environment and Urban Systems 34 (2010) 79-88].

Theodor Foerster, Lassi Lehto, Tapani Sarjakoski, L. Tiina Sarjakoski, Jantien E. Stoter

Comput. Environ. Urban Syst., 2010

Map generalization and schema transformation of geospatial data combined in a Web Service context.

Theodor Foerster, Lassi Lehto, Tapani Sarjakoski, L. Tiina Sarjakoski, Jantien E. Stoter

Comput. Environ. Urban Syst., 2010

Data matrix technology for linking mobile maps in a web-based multi-channel service.

Tapani Sarjakoski, Janne Kovanen, Mikko Rönneberg, Jaakko Kähkönen, L. Tiina Sarjakoski

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

A client-server architecture for audio-supported mobile route guiding for hiking.

Janne Kovanen, Tapani Sarjakoski, L. Tiina Sarjakoski

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

2009

Exploring future challenges for haptic, audio and visual interfaces for mobile maps and location based services.

Charlotte Magnusson, Konrad Tollmar, Stephen A. Brewster, Tapani Sarjakoski, L. Tiina Sarjakoski, Samuel Roselier

Proceedings of the Second International Workshop on Location and the Web, 2009

2008

User Interfaces and Adaptive Maps.

L. Tiina Sarjakoski, Tapani Sarjakoski

Proceedings of the Encyclopedia of GIS., 2008

2007

A Knowledge-Based Map Adaptation Approach for Mobile Map Services.

L. Tiina Sarjakoski, Tommi Koivula, Tapani Sarjakoski

Proceedings of the Location Based Services and TeleCartography, 2007

Usability methods' familiarity among map application developers.

Annu-Maaria Nivala, L. Tiina Sarjakoski, Tapani Sarjakoski

Int. J. Hum. Comput. Stud., 2007

Distributed computation of drainage basin delineations from uncertain digital elevation models.

Tomas Ukkonen, Tapani Sarjakoski, Juha Oksanen

Proceedings of the 15th ACM International Symposium on Geographic Information Systems, 2007

2006

Uncovering the statistical and spatial characteristics of fine toposcale DEM error.

Juha Oksanen, Tapani Sarjakoski

Int. J. Geogr. Inf. Sci., 2006

2005

Error propagation of DEM-based surface derivatives.

Juha Oksanen, Tapani Sarjakoski

Comput. Geosci., 2005

2002

Simultaneous Graphic Generalization of Vector Data Sets.

Lars Harrie, Tapani Sarjakoski

GeoInformatica, 2002

1999

Interactive visualisation of geographical objects on the Internet.

Jaakko Kähkönen, Lassi Lehto, Tiina Kilpelainen, Tapani Sarjakoski

Int. J. Geogr. Inf. Sci., 1999

1993

Requirements of a Stereo Workstation for the GIS Environment.

Tapani Sarjakoski, Jussi Lammi

J. Vis. Lang. Comput., 1993

1992

User Models and Information Theory in the Design of a Query Interface for GIS.

Mikko Lindholm, Tapani Sarjakoski

Proceedings of the Theories and Methods of Spatio-Temporal Reasoning in Geographic Space, International Conference GIS, 1992