Blar i ODA Open Digital Archive på forfatter "Sandnes, Frode Eika"
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Mining time-dependent influential users in Facebook fans group
Kao, Li-Jen; Huang, Yo-Ping; Sandnes, Frode Eika (Chapter; Peer reviewed; Chapter, 2016)Klout, a famous App, could measure people's social network influence power. Klout score is measured according to the data from past 90 days and an individual who has high Klout score is thought as having high social influence ... -
Modelling 3D Objects using 2D Sketches through Radial Renderings of Curvature Maps
Sandnes, Frode Eika; Eika, Evelyn (Journal article; Peer reviewed, 2018)Modelling 3D objects is challenging; often special software skills are required. This paper explores a new method for experimenting with 3D modelling using two-dimensional drawings. These drawings use coloured areas to ... -
Modelling 3D objects using 2D sketches through radial renderings of curvature maps
Sandnes, Frode Eika; Eika, Evelyn (Advances in Intelligent Systems and Computing; volume 793, Journal article; Peer reviewed, 2018)Modelling 3D objects is challenging; often special software skills are required. This paper explores a new method for experimenting with 3D modelling using two-dimensional drawings. These drawings use coloured areas to ... -
Monitoring Changes in the Stability of Networks Using Eigenvector Centrality
Bytyci, Ilir (Master thesis, 2006)Monitoring networks for anomalies is a typical duty of network operators. The conventional monitoring tools available today tend to almost ignore the topological characteristics of the whole network. This thesis takes a ... -
Multi-switch scanning keyboards: A theoretical study of simultaneous parallel scans with QWERTY layout
Sandnes, Frode Eika; Eika, Evelyn; Medola, Fausto Orsi (Lecture Notes in Computer Science;10907; Universal Access in Human-Computer Interaction. Methods, Technologies, and Users, Journal article; Peer reviewed, 2018-06-05)Scanning keyboards can be useful aids for individuals with reduced motor function. However, scanning input techniques are known for being very slow to use because they require waiting for the right cell to be highlighted ... -
Multimodal Navigation Systemsfor Users with Visual Impairments—A Review and Analysis
Kuriakose, Bineeth; Shrestha, Raju; Sandnes, Frode Eika (Multimodal Technologies and Interaction;Volume 4, Issue 4, Journal article; Peer reviewed, 2020-10-16)Multimodal interaction refers to situations where users are provided with multiple modes for interacting with systems. Researchers are working on multimodality solutions in several domains. The focus of this paper is within ... -
Near Eyes-Free Chauffeur Computer Interaction with Chording and Visual Text Mnemonics
Sandnes, Frode Eika; Huang, Yo-Ping; Huang, Yueh-Min (Journal of Universal Computer Science;16 (10), Journal article; Peer reviewed, 2010)Modern cars are equipped with advanced technology requiring cognitively complex operation that is reliant on the user’s visual attention. It is therefore hazardous for drivers to operate such devices while driving. In ... -
A Non-Visual Photo Collection Browser based on Automatically Generated Text Descriptions
Sandnes, Frode Eika (DSAI;2010, Chapter; Peer reviewed, 2010)This study presents a textual photo collection browser that automatically and quickly analyses large personal photo collections and produces textual reports that can be accessed by blind users using either text-to-speech ... -
On Online Banking Authentication for All: A Comparison of BankID Login Efficiency Using Smartphones Versus Code Generators
Vinbæk, Ellen Opsahl; Pettersen, Frida Margrethe Borge; Carlsen, Jonas Ege; Fremstad, Karl; Edvinsen, Nikolai; Sandnes, Frode Eika (Lecture Notes in Artificial Intelligence;volume 11572, Journal article; Peer reviewed, 2019)Authentication is an essential component of any digital service. In Norway, such authentication is often relying on BankID using either mobile BankID or a code generator. This study set out to explore the efficiency of ... -
On the Convenience of Speeding Up Lecture Recordings: Increased Playback Speed Reduces Learning
Ness, Ida; Sandnes, Frode Eika; Opdal, Kathinka (Lecture Notes in Computer Science;Volume 13117, Conference object, 2021-11-23)Audio and video lectures give students much freedom to study where and when they like. These digital media formats usually also give students flexibility to choose the playback speed. In this study we conducted a simple ... -
On the Implications of Sense of Control over Bicycling : Design of a Physical Stamina-Aware Bike
Lee, Chao-Lung; Lee, Da; Cheng, Yun-Maw; Sandnes, Frode Eika; Chen, Li-Chieh; Chen, Wei-Chia (Proceedings of OZCHI;2010, Chapter; Peer reviewed, 2010)Bicycling has become a mainstream activity among the environmental aware generation. Bicycling communities have gradually shown interests in quantitative data of the bicycling experiences such as road roughness, ... -
On the non-disabled perceptions of four common mobility devices in Norway: A comparative study based on semantic differentials
Boiani, Josieli Aparecida Marques; Barili, Sara Raquel Martins; Medola, Fausto Orsi; Sandnes, Frode Eika (Technology and Disability;Volume 31, Issue 1-2, Journal article; Peer reviewed, 2019)BACKGROUND: Mobility devices such as walkers and wheelchairs are often associated with certain stigma. Such devices must be designed with the goal of reducing stigma to decrease the abandonment-rate. Yet there is little ... -
On the Truthfulness of Petal Graphs for Visualisation of Data
Sandnes, Frode Eika (NIK: Norsk Informatikkonferanse;, Journal article; Peer reviewed, 2012-11-01)A petal graph is an aesthetically attractive and applauded tool for visualising parameter sets. For instance, petal graphs are often used by Norwegian policy makers and decision makers in higher education as the Ministry ... -
On the Understandability of Public Domain Icons: Effects of Gender and Age
Berget, Gerd; Sandnes, Frode Eika (Lecture Notes in Computer Science;9175, Journal article; Peer reviewed, 2015-07-18)Icons and symbols are often deployed in graphical user interfaces. It is commonly believed that icons add to the user friendliness of products. Devel‐ opers have great trust in icon libraries and they are likely to use ... -
On the usefulness of Aaa-links for controlling text size on web pages : preliminary results
Sandnes, Frode Eika (The proceedings of Unitech2010 : International Conference on Universal Technologies;, Chapter; Peer reviewed, 2010)Aaa-links, also known as triple-a links, have over the last few years become commonplace on the web. In a move to become more universally accessible organizations have introduced Aaa-links to help users with reduced ... -
On Time Reading Performance: A Comparison of the Clock Face and Digit Representations
Knapskog, Martine Amanda Dahl; Lines, Frida; Maalen-Johansen, Erik Semb; Eika, Evelyn; Sandnes, Frode Eika (Lecture Notes in Computer Science;, Chapter; Peer reviewed; Conference object; Journal article, 2023)Time plays an essential part of our lives. We are typically surrounded by two types of time representation, clock faces and digits. Previous work focused on children’s ability to read time, but adults’ ability to read time ... -
PanoramaGrid – A Graph Paper Tracing Framework for Sketching 360-degree Immersed Experiences
Sandnes, Frode Eika (Chapter; Peer reviewed, 2016)A novel framework that allows designers without 3D-modelling experience to draw three-dimensional panoramic sketches by hand with the help of a support lines is proposed. Sketches are viewed with panoramic ... -
Perceptions of Digital Nudging for Cervical Testing: A Comparison Four Nudge Types
Ytterland, , Thea Bratteberg; Fagernes, Siri; Sandnes, Frode Eika (Lecture Notes in Computer Science;13308, Conference object, 2022-06-16)Cervical cancer consumes many lives around the world. Many of these lives could be saved if more women were screened for cervical cancer. This study explored the potential of digital nudging through short electronic messages ... -
A PM 2.5 Forecasting Model Based on Air Pollution and Meteorological Conditions in Neighboring Areas
Adrezo, Muhammad; Huang, Yo-Ping; Sandnes, Frode Eika (Communications in Computer and Information Science;Volume 1382, Conference object, 2021-03-15)Air pollution has received much attention in recent years, especially in the most densely populated areas. Sources of air pollution include factory emissions, vehicle emissions, building sites, wildfires, wood-burning ... -
QB-Gest: Qwerty bimanual gestural input for eye-free smartphone text input
Ye, Linghui; Sandnes, Frode Eika; MacKenzie, Scott (Lecture Notes in Computer Science;Volume 12188, Conference object, 2020-07-10)We developed QB-Gest, a bimanual text entry method based on simple gestures where users drag their thumbs in the direction of the desired letter while visualizing the Qwerty-layout. In an experiment with four sessions of ...