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- Lundberg, Jonas, 1964-, et al.
(författare)
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Towards a language independent Twitter bot detector
- 2019
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Ingår i: Proceedings of 4th Conference of The Association Digital Humanities in the Nordic Countries. - Copenhagen : University of Copenhagen. ; , s. 308-319
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Konferensbidrag (refereegranskat)abstract
- This article describes our work in developing an application that recognizes automatically generated tweets. The objective of this machine learning application is to increase data accuracy in sociolinguistic studies that utilize Twitter by reducing skewed sampling and inaccuracies in linguistic data. Most previous machine learning attempts to exclude bot material have been language dependent since they make use of monolingual Twitter text in their training phase. In this paper, we present a language independent approach which classifies each single tweet to be either autogenerated (AGT) or human-generated (HGT). We define an AGT as a tweet where all or parts of the natural language content is generated automatically by a bot or other type of program. In other words, while AGT/HGT refer to an individual message, the term bot refers to non-personal and automated accounts that post content to online social networks. Our approach classifies a tweet using only metadata that comes with every tweet, and we utilize those metadata parameters that are both language and country independent. The empirical part shows good success rates. Using a bilingual training set of Finnish and Swedish tweets, we correctly classified about 98.2% of all tweets in a test set using a third language (English).
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| 4. |
- Tran Luciani, Danwei, 1985-, et al.
(författare)
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Designing fine-grained interactions for automation in air traffic control
- 2020
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Ingår i: Cognition, Technology & Work. - London : Springer London. - 1435-5558 .- 1435-5566. ; 22:4, s. 685-701
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Tidskriftsartikel (refereegranskat)abstract
- Our work aims to explore novel approaches to the challenge of designing the interaction between people and automation. Through a case study within the domain of air traffic control, we focus on designing fine-grained human–automation interactions. We design a concept and develop an interactive lo-fi prototype of an assisted sketching system to enable air traffic controllers to interact with automation in a fine-grained manner and to externalize mental images. Assisted sketching seems to offer a possible way to communicate different degrees of predictive certainty using visual cues and interaction. Our insights further suggest that externalization through assisted sketching could encourage exploration of future scenarios, and support communication and collaboration between air traffic controllers and between air traffic controllers and pilots. The explorative benefits for the individual decision-making process might be more evident in situations where air traffic controllers have more time for reflection, for example during planning or debriefing and in educational settings.
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- Laitinen, Mikko, 1973-, et al.
(författare)
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The Nordic Tweet Stream : A Dynamic Real-Time Monitor Corpus of Big and Rich Language Data
- 2018
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Ingår i: DHN 2018 Digital Humanities in the Nordic Countries 3rd Conference. - : CEUR-WS.org. ; , s. 349-362
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Konferensbidrag (refereegranskat)abstract
- This article presents the Nordic Tweet Stream (NTS), a cross-disciplinarycorpus project of computer scientists and a group of sociolinguists interestedin language variability and in the global spread of English. Our research integratestwo types of empirical data: We not only rely on traditional structured corpusdata but also use unstructured data sources that are often big and rich inmetadata, such as Twitter streams. The NTS downloads tweets and associatedmetadata from Denmark, Finland, Iceland, Norway and Sweden. We first introducesome technical aspects in creating a dynamic real-time monitor corpus, andthe following case study illustrates how the corpus could be used as empiricalevidence in sociolinguistic studies focusing on the global spread of English tomultilingual settings. The results show that English is the most frequently usedlanguage, accounting for almost a third. These results can be used to assess howwidespread English use is in the Nordic region and offer a big data perspectivethat complement previous small-scale studies. The future objectives include annotatingthe material, making it available for the scholarly community, and expandingthe geographic scope of the data stream outside Nordic region.
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- Alissandrakis, Aris, 1975-, et al.
(författare)
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Visualizing dynamic text corpora using Virtual Reality
- 2018
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Ingår i: ICAME 39 : Tampere, 30 May – 3 June, 2018. - Tampere : University of Tampere. ; , s. 205-205
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Konferensbidrag (refereegranskat)abstract
- In recent years, data visualization has become a major area in Digital Humanities research, and the same holds true also in linguistics. The rapidly increasing size of corpora, the emergence of dynamic real-time streams, and the availability of complex and enriched metadata have made it increasingly important to facilitate new and innovative approaches to presenting and exploring primary data. This demonstration showcases the uses of Virtual Reality (VR) in the visualization of geospatial linguistic data using data from the Nordic Tweet Stream (NTS) project (see Laitinen et al 2017). The NTS data for this demonstration comprises a full year of geotagged tweets (12,443,696 tweets from 273,648 user accounts) posted within the Nordic region (Denmark, Finland, Iceland, Norway, and Sweden). The dataset includes over 50 metadata parameters in addition to the tweets themselves.We demonstrate the potential of using VR to efficiently find meaningful patterns in vast streams of data. The VR environment allows an easy overview of any of the features (textual or metadata) in a text corpus. Our focus will be on the language identification data, which provides a previously unexplored perspective into the use of English and other non-indigenous languages in the Nordic countries alongside the native languages of the region.Our VR prototype utilizes the HTC Vive headset for a room-scale VR scenario, and it is being developed using the Unity3D game development engine. Each node in the VR space is displayed as a stacked cuboid, the equivalent of a bar chart in a three-dimensional space, summarizing all tweets at one geographic location for a given point in time (see: https://tinyurl.com/nts-vr). Each stacked cuboid represents information of the three most frequently used languages, appropriately color coded, enabling the user to get an overview of the language distribution at each location. The VR prototype further encourages users to move between different locations and inspect points of interest in more detail (overall location-related information, a detailed list of all languages detected, the most frequently used hashtags). An underlying map outlines country borders and facilitates orientation. In addition to spatial movement through the Nordic areas, the VR system provides an interface to explore the Twitter data based on time (days, weeks, months, or time of predefined special events), which enables users to explore data over time (see: https://tinyurl.com/nts-vr-time).In addition to demonstrating how the VR methods aid data visualization and exploration, we will also briefly discuss the pedagogical implications of using VR to showcase linguistic diversity.
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- Alissandrakis, Aris, 1975-, et al.
(författare)
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Visualizing rich corpus data using virtual reality
- 2019
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Ingår i: Studies in Variation, Contacts and Change in English. - Helsinki : VARIENG. - 1797-4453. ; 20
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Tidskriftsartikel (refereegranskat)abstract
- We demonstrate an approach that utilizes immersive virtual reality (VR) to explore and interact with corpus linguistics data. Our case study focuses on the language identification parameter in the Nordic Tweet Stream corpus, a dynamic corpus of Twitter data where each tweet originated within the Nordic countries. We demonstrate how VR can provide previously unexplored perspectives into the use of English and other non-indigenous languages in the Nordic countries alongside the native languages of the region and showcase its geospatial variation. We utilize a head-mounted display (HMD) for a room-scale VR scenario that allows 3D interaction by using hand gestures. In addition to spatial movement through the Nordic areas, the interface enables exploration of the Twitter data based on time (days, weeks, months, or time of predefined special events), making it particularly useful for diachronic investigations.In addition to demonstrating how the VR methods aid data visualization and exploration, we briefly discuss the pedagogical implications of using VR to showcase linguistic diversity. Our empirical results detail students’ reactions to working in this environment. The discussion part examines the benefits, prospects and limitations of using VR in visualizing corpus data.
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Arbete med psalm : Text, musik, teologi
- 2020
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Samlingsverk (redaktörskap) (refereegranskat)abstract
- Psalmer är perenna skapelser. Alla psalmer som sjungs idag har en gång först skrivits och komponerats. Därefter har de hållits vid liv, redigerats, översatts, omarbetats, restaurerats, utvalts och återaktualiserats. Titeln på denna årsbok: ”Arbete med psalm” syftar främst på denna senare typ av trädgårdsmästarliknande arbete. Utan psalmboksredaktörer, översättare och bearbetare av psalmer hade vi stått utan de psalmer vi har idag. Vi hade utanför rent akademiska studier möjligen stått helt utan arvet av äldre psalmer. Sådant arbete har nämligen både syftat och lett till bredare relevans och aktualitet i tider av förändring.Årsbokens sju artiklar belyser på olika sätt hur arbete med psalm lett fram till vår nuvarande situation. Här finns också bidrag som kastar ljus över hur psalmerna kan förstås idag och hur deras morgondag kan komma att te sig. Kommer det att finnas en psalmbok även i framtiden? I speciellt fokus står för flera av texterna den i flera samfund formellt gällande och dagligen sjungna Den svenska psalmboken av 1986. Dess ekumeniskt tillkomna första del var och är gemensam för en rad svenska kyrkosamfund och har också på olika sätt blivit en sångbok även långt utanför de kyrkliga sfärerna. Sist i årsboken följer ett tjugotal recensioner av nyutkommen litteratur inom liturgik, kyrkokonst, kyrkomusik och homiletik.
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| 10. |
- Ihlström Eriksson, Carina, et al.
(författare)
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A Genre Perspective on Online Newspaper Front Page Design
- 2004
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Ingår i: Journal of Web Engineering. - : Rinton Press, Princeton, New Jersey. - 1540-9589. ; 3:1, s. 50-74
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Tidskriftsartikel (refereegranskat)abstract
- Taking a genre perspective on design, this article proposes eight design recommendations for online newspapers. These recommendations are based on features that mediate a specific purpose and use between publisher and audience, which we describe as genre rules in terms of purpose, form, and positioning. They are also based on genre change regarding design, and the heritage from print regarding form and shared content elements. We have a) studied genre change through a web page analysis of nine Swedish online newspapers in 2001 and 2003, using the genre concepts content, form, functionality and positioning, and b) derived genre rules through publishers and audience understanding of the genre. We have interviewed managers, designers and editors-in-chief at the nine newspapers as well as 153 members of their audience. We show that in the design process for digital documents, it is useful to have genre awareness, i.e. to be aware of the genre characteristics, the producer's design purpose and the audience recognition and response.
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