Tapani Sarjakoski

Publication Activity (10 Years)

Years Active: 1992-2019
Publications (10 Years): 5

Top Topics

Efficient Implementation

Spatial Analysis

Web Environment

Graphics Processing Units

Top Venues

Cartogr. Int. J. Geogr. Inf. Geovisualization

Comput. Geosci.

J. Spatial Inf. Sci.

Publications

Ville Mäkinen, Juha Oksanen, Tapani Sarjakoski
Automatic determination of stream networks from DEMs by using road network data to locate culverts. Int. J. Geogr. Inf. Sci. 33 (2) (2019)
Mikko Rönneberg, Mari Laakso, Tapani Sarjakoski
Map Gretel: social map service supporting a national mapping agency in data collection. J. Geogr. Syst. 21 (1) (2019)
Janne Kovanen, Juha Oksanen, Tapani Sarjakoski
Near real-time coastal flood inundation simulation with uncertainty analysis and GPU acceleration in a web environment. Comput. Geosci. 119 (2018)
Jesús Carabaño, Jan Westerholm, Tapani Sarjakoski
A compiler approach to map algebra: automatic parallelization, locality optimization, and GPU acceleration of raster spatial analysis. GeoInformatica 22 (2) (2018)
Hanna-Marika Halkosaari, Mikko Rönneberg, Mari Laakso, Pyry Kettunen, Juha Oksanen, Tapani Sarjakoski
Concept Design of #hylo - Geosocial Network for Sharing Hyperlocal Information on a Map. LBS (2016)
Jesús Carabaño Bravo, Tapani Sarjakoski, Jan Westerholm
Efficient Implementation of a Fast Viewshed Algorithm on SIMD Architectures. PDP (2015)
Janne Kovanen, Tapani Sarjakoski
Tilewise Accumulated Cost Surface Computation with Graphics Processing Units. ACM Trans. Spatial Algorithms Syst. 1 (2) (2015)
David Eränen, Juha Oksanen, Jan Westerholm, Tapani Sarjakoski
A full graphics processing unit implementation of uncertainty-aware drainage basin delineation. Comput. Geosci. 73 (2014)
Juha Oksanen, Hanna-Marika Halkosaari, Tapani Sarjakoski, L. Tiina Sarjakoski
A User Study of Experimental Maps for Outdoor Activities. Cartogr. Int. J. Geogr. Inf. Geovisualization 49 (3) (2014)
Mari Laakso, Tapani Sarjakoski, Lassi Lehto, L. Tiina Sarjakoski
An Information Model for Pedestrian Routing and Navigation Databases Supporting Universal Accessibility. Cartogr. Int. J. Geogr. Inf. Geovisualization 48 (2) (2013)
Janne Kovanen, Tapani Sarjakoski, L. Tiina Sarjakoski
A Multi-modal Communication Approach to Describing the Surroundings to Mobile Users. W2GIS (2013)
L. Tiina Sarjakoski, Pyry Kettunen, Hanna-Marika Flink, Mari Laakso, Mikko Rönneberg, Tapani Sarjakoski
Analysis of verbal route descriptions and landmarks for hiking. Pers. Ubiquitous Comput. 16 (8) (2012)
Pyry Kettunen, Katja Irvankoski, Christina M. Krause, Tapani Sarjakoski, L. Tiina Sarjakoski
Geospatial images in the acquisition of spatial knowledge for wayfinding. J. Spatial Inf. Sci. 5 (1) (2012)
Tomas Ukkonen, Juha Oksanen, Tapani Rousi, Tapani Sarjakoski
Comparison of distribution strategies in uncertainty-aware catchment delineation. GeoInformatica 15 (2) (2011)
Mari Laakso, Tapani Sarjakoski, L. Tiina Sarjakoski
Improving Accessibility Information in Pedestrian Maps and Databases. Cartogr. Int. J. Geogr. Inf. Geovisualization 46 (2) (2011)
Janne Kovanen, Tapani Sarjakoski, L. Tiina Sarjakoski
A client-server architecture for audio-supported mobile route guiding for hiking. UPINLBS (2010)
Theodor Foerster, Lassi Lehto, Tapani Sarjakoski, L. Tiina Sarjakoski, Jantien E. Stoter
Map generalization and schema transformation of geospatial data combined in a Web Service context. Comput. Environ. Urban Syst. 34 (1) (2010)
Theodor Foerster, Lassi Lehto, Tapani Sarjakoski, L. Tiina Sarjakoski, Jantien E. Stoter
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]. Comput. Environ. Urban Syst. 34 (2) (2010)
Tapani Sarjakoski, Janne Kovanen, Mikko Rönneberg, Jaakko Kähkönen, L. Tiina Sarjakoski
Data matrix technology for linking mobile maps in a web-based multi-channel service. UPINLBS (2010)
Charlotte Magnusson, Konrad Tollmar, Stephen A. Brewster, Tapani Sarjakoski, L. Tiina Sarjakoski, Samuel Roselier
Exploring future challenges for haptic, audio and visual interfaces for mobile maps and location based services. LocWeb (2009)
Annu-Maaria Nivala, L. Tiina Sarjakoski, Tapani Sarjakoski
Usability methods' familiarity among map application developers. Int. J. Hum. Comput. Stud. 65 (9) (2007)
Tomas Ukkonen, Tapani Sarjakoski, Juha Oksanen
Distributed computation of drainage basin delineations from uncertain digital elevation models. GIS (2007)
Juha Oksanen, Tapani Sarjakoski
Uncovering the statistical and spatial characteristics of fine toposcale DEM error. Int. J. Geogr. Inf. Sci. 20 (4) (2006)
Juha Oksanen, Tapani Sarjakoski
Error propagation of DEM-based surface derivatives. Comput. Geosci. 31 (8) (2005)
Lars Harrie, Tapani Sarjakoski
Simultaneous Graphic Generalization of Vector Data Sets. GeoInformatica 6 (3) (2002)
Jaakko Kähkönen, Lassi Lehto, Tiina Kilpelainen, Tapani Sarjakoski
Interactive visualisation of geographical objects on the Internet. Int. J. Geogr. Inf. Sci. 13 (4) (1999)
Tapani Sarjakoski, Jussi Lammi
Requirements of a Stereo Workstation for the GIS Environment. J. Vis. Lang. Comput. 4 (2) (1993)
Mikko Lindholm, Tapani Sarjakoski
User Models and Information Theory in the Design of a Query Interface for GIS. Spatio-Temporal Reasoning (1992)