Tapani Sarjakoski - researchr alias

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Viewing Publication 1 - 29 from 29

2019

Automatic determination of stream networks from DEMs by using road network data to locate culvertsVille Mäkinen, Juha Oksanen, Tapani Sarjakoski. gis, 33(2):291-313, 2019. [doi]

Map Gretel: social map service supporting a national mapping agency in data collectionMikko Rönneberg, Mari Laakso, Tapani Sarjakoski. jgs, 21(1):43-59, 2019. [doi]

2018

A compiler approach to map algebra: automatic parallelization, locality optimization, and GPU acceleration of raster spatial analysisJesús Carabaño, Jan Westerholm, Tapani Sarjakoski. geoinformatica, 22(2):211-235, 2018. [doi]

Near real-time coastal flood inundation simulation with uncertainty analysis and GPU acceleration in a web environmentJanne Kovanen, Juha Oksanen, Tapani Sarjakoski. gandc, 119:39-48, 2018. [doi]

2016

Concept Design of #hylo - Geosocial Network for Sharing Hyperlocal Information on a MapHanna-Marika Halkosaari, Mikko Rönneberg, Mari Laakso, Pyry Kettunen, Juha Oksanen, Tapani Sarjakoski. selbstorg 2017: 309-327 [doi]

2015

Efficient Implementation of a Fast Viewshed Algorithm on SIMD ArchitecturesJesua Carabano Bravo, Tapani Sarjakoski, Jan Westerholm. pdp 2015: 199-202 [doi]

Tilewise Accumulated Cost Surface Computation with Graphics Processing UnitsJanne Kovanen, Tapani Sarjakoski. tsas, 1(2):8, 2015. [doi]

2014

A full graphics processing unit implementation of uncertainty-aware drainage basin delineationDavid Eränen, Juha Oksanen, Jan Westerholm, Tapani Sarjakoski. gandc, 73:48-60, 2014. [doi]

A User Study of Experimental Maps for Outdoor ActivitiesJuha Oksanen, Hanna-Marika Halkosaari, Tapani Sarjakoski, L. Tiina Sarjakoski. cartographica, 49(3):188-201, 2014. [doi]

2013

A Multi-modal Communication Approach to Describing the Surroundings to Mobile UsersJanne Kovanen, Tapani Sarjakoski, L. Tiina Sarjakoski. w2gis 2013: 82-99 [doi]

An Information Model for Pedestrian Routing and Navigation Databases Supporting Universal AccessibilityMari Laakso, Tapani Sarjakoski, Lassi Lehto, L. Tiina Sarjakoski. cartographica, 48(2):89-99, 2013. [doi]

2012

Geospatial images in the acquisition of spatial knowledge for wayfindingPyry Kettunen, Katja Irvankoski, Christina M. Krause, Tapani Sarjakoski, L. Tiina Sarjakoski. josis, 5(1):75-106, 2012. [doi]

Analysis of verbal route descriptions and landmarks for hikingL. Tiina Sarjakoski, Pyry Kettunen, Hanna-Marika Flink, Mari Laakso, Mikko Rönneberg, Tapani Sarjakoski. puc, 16(8):1001-1011, 2012. [doi]

2011

Improving Accessibility Information in Pedestrian Maps and DatabasesMari Laakso, Tapani Sarjakoski, L. Tiina Sarjakoski. cartographica, 46(2):101-108, 2011. [doi]

Comparison of distribution strategies in uncertainty-aware catchment delineationTomas Ukkonen, Juha Oksanen, Tapani Rousi, Tapani Sarjakoski. geoinformatica, 15(2):329-349, 2011. [doi]

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. urban, 34(2):177, 2010. [doi]

Map generalization and schema transformation of geospatial data combined in a Web Service contextTheodor Foerster, Lassi Lehto, Tapani Sarjakoski, L. Tiina Sarjakoski, Jantien E. Stoter. urban, 34(1):79-88, 2010. [doi]

A client-server architecture for audio-supported mobile route guiding for hikingJanne Kovanen, Tapani Sarjakoski, L. Tiina Sarjakoski. upinlbs 2010: 1-8 [doi]

Data matrix technology for linking mobile maps in a web-based multi-channel serviceTapani Sarjakoski, Janne Kovanen, Mikko Rönneberg, Jaakko Kähkönen, L. Tiina Sarjakoski. upinlbs 2010: 1-5 [doi]

2009

Exploring future challenges for haptic, audio and visual interfaces for mobile maps and location based servicesCharlotte Magnusson, Konrad Tollmar, Stephen Brewster, Tapani Sarjakoski, L. Tiina Sarjakoski, Samuel Roselier. locweb 2009: 8 [doi]

2007

Usability methods familiarity among map application developersAnnu-Maaria Nivala, L. Tiina Sarjakoski, Tapani Sarjakoski. ijmms, 65(9):784-795, 2007. [doi]

A Knowledge-Based Map Adaptation Approach for Mobile Map ServicesL. Tiina Sarjakoski, Tommi Koivula, Tapani Sarjakoski. In Georg Gartner, William E. Cartwright, Michael P. Peterson, editors, Location Based Services and TeleCartography. Lecture Notes in Geoinformation and Cartography, pages 247-264, Springer, 2007. [doi]

Distributed computation of drainage basin delineations from uncertain digital elevation modelsTomas Ukkonen, Tapani Sarjakoski, Juha Oksanen. gis 2007: 31 [doi]

2006

Uncovering the statistical and spatial characteristics of fine toposcale DEM errorJuha Oksanen, Tapani Sarjakoski. gis, 20(4):345-369, 2006. [doi]

2005

Error propagation of DEM-based surface derivativesJuha Oksanen, Tapani Sarjakoski. gandc, 31(8):1015-1027, 2005. [doi]

2002

Simultaneous Graphic Generalization of Vector Data SetsLars Harrie, Tapani Sarjakoski. geoinformatica, 6(3):233-261, 2002.

1999

Interactive visualisation of geographical objects on the InternetJaakko Kahkonen, Lassi Lehto, Tiina Kilpelainen, Tapani Sarjakoski. gis, 13(4):429-438, 1999. [doi]

1993

Requirements of a Stereo Workstation for the GIS EnvironmentTapani Sarjakoski, Jussi Lammi. JCL (JVLC), 4(2):127-142, 1993.

1992

User Models and Information Theory in the Design of a Query Interface for GISMikko Lindholm, Tapani Sarjakoski. gis 1992: 328-347

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