News

2020

June 4, 2020

Last week, Angelos Chatzimparmpas (assisted by Prof. Fabrice Rossi, Prof. Andreas Kerren, and myself for the Q&A session) presented our survey article titled "The State of the Art in Enhancing Trust in Machine Learning Models with the Use of Visualizations" at EGEV2020, the joint Eurographics & Eurovis conferences held online during May 25–29, 2020 due to the COVID-19 situation (originally planned to take place in Norrköping, Sweden). The corresponding tool is available at https://trustmlvis.lnu.se.

Additionally, according to the recent data from Wiley, our survey article "The State of the Art in Sentiment Visualization" was the most downloaded Computer Graphics Forum publication at Wiley Online Library in 2019!

January 1, 2020

Today, my employment as an associate senior lecturer (biträdande lektor) at Linnaeus University has started. This type of academic position was introduced in Sweden in 2017, inspired by the US tenure-track position of an assistant professor.

2019

September 19, 2019

I have given an invited talk titled "Text, Sentiment, and Stance Visualization for Social Media Data" at a seminar at Fojo Media Institute, Linnaeus University, Kalmar today.

June 8, 2019

I have presented our poster paper "Text Visualization Revisited: The State of the Field in 2019" at EuroVis 2019 held in Porto, Portugal during June 4–7, 2019.

April 15, 2019

I have successfully defended my PhD dissertation today!

Kostiantyn's PhD defense

March 15, 2019

Spikning (nailing) of my PhD dissertation has taken place today at the Linnaeus University Library in Växjö.

Kostiantyn's dissertation nailing

February 27, 2019

The public defense of my PhD dissertation entitled "Sentiment and Stance Visualization of Textual Data for Social Media" is scheduled for April 15, 2019.

Assoc. Prof. Dr. Ross Maciejewski (Arizona State University) is going to be my opponent, and the examining committee is going to include Prof. Dr. Ir. Jarke J. van Wijk (Eindhoven University of Technology), Prof. Dr.–Ing. Jörn Kohlhammer (Technische Universität Darmstadt and Fraunhofer IGD), and Prof. Dr. Gerik Scheuermann (Universität Leipzig).

More information is available on the LNU announcement web page.

2018

August 16, 2018

The ISOVIS Group has hosted the 11th International Symposium on Visual Information Communication and Interaction (VINCI 2018) at Linnaeus University in Växjö during August 13–15, 2018. I have served as the proceedings chair and also as the chair for the posters fast forward session.

During the symposium, I have presented our short paper "Analysis of VINCI 2009–2017 Proceedings".

Maria Skeppstedt and I have also presented our poster "Application of Interactive Computer-Assisted Argument Extraction to Opinionated Social Media Texts".

June 11, 2018

Our poster paper "Visual Analysis of Sentiment and Stance in Social Media Texts" has received the best poster award at EuroVis 2018 held in Brno, Czech Republic during June 4–8, 2018!

May 24, 2018

A blog entry about our ACM TiiS article on ALVA has been published on Medium.

May 13, 2018

Maria Skeppstedt presented our paper "Topics2Themes: Computer-Assisted Argument Extraction by Visual Analysis of Important Topics" at the VisLR III workshop in Miyazaki, Japan on May 12, 2018.

March 15, 2018

I presented our article "Active Learning and Visual Analytics for Stance Classification with ALVA", published in ACM Transactions on Interactive Intelligent Systems in 2017, as an invited presentation at the ACM IUI 2018 conference in Tokyo, Japan on March 9, 2018.

February 1, 2018

I presented our short paper "DoSVis: Document Stance Visualization" at IVAPP 2018 in Funchal, Madeira, Portugal on January 29, 2018.

I have also served as the session chair for one of the IVAPP conference sessions.

2017

December 4, 2017

Our article "Visual Analysis of Online Social Media to Open Up the Investigation of Stance Phenomena" is now available from Information Visualization journal in Open Access.

Also, I presented our survey article "The State of the Art in Sentiment Visualization" (available from Computer Graphics Forum) during a special showcase session at the 3rd annual Big Data Conference at Linnaeus University, Växjö on December 1, 2017.

November 3, 2017

Our journal article "Annotating Speaker Stance in Discourse: The Brexit Blog Corpus" has been published in Corpus Linguistics and Linguistic Theory journal in Open Access.

Also, our journal article "BioVis Explorer: A Visual Guide for Biological Data Visualization Techniques" has been published in PLOS ONE in Open Access.

October 10, 2017

Rafael M. Martins presented our paper "StanceXplore: Visualization for the Interactive Exploration of Stance in Social Media" at the IEEE VIS '17 Workshop on Visualization for the Digital Humanities (VIS4DH '17) in Phoenix, Arizona, USA on October 2, 2017.

October 5, 2017

Our article "Active Learning and Visual Analytics for Stance Classification with ALVA" has been published in ACM Transactions on Interactive Intelligent Systems.

July 3, 2017

I presented our survey article "The State of the Art in Sentiment Visualization" (available from Computer Graphics Forum in Open Access!) as an invited STAR report at EuroVis 2017, Barcelona, Spain on June 14, 2017. The corresponding tool is available at http://sentimentvis.lnu.se.

Andreas Kerren and I also presented our poster "MDS-based Visual Survey of Biological Data Visualization Techniques" there. The corresponding tool is available at http://biovis.lnu.se.

2016

November 12, 2016

I gave an interactive presentation titled "Methodology and Applications of Visual Stance Analysis: An Interactive Demo" at the International Symposium on Digital Humanities, LNU, Växjö on November 7, 2016.

July 9, 2016

Andreas Kerren and I presented our poster "Visual Analysis of Text Annotations for Stance Classification with ALVA" at EuroVis 2016, Groningen, The Netherlands on June 8, 2016.

March 19, 2016

Our article "Visual Analysis of Online Social Media to Open Up the Investigation of Stance Phenomena", which was accepted by Information Visualization journal last year, has now been included into a journal issue.

Also, Daniel Cernea presented our paper "Visualizing Excitement of Individuals and Groups" (video) at EmoVis '16 workshop at ACM IUI 2016 in Sonoma, California, USA on March 10, 2016.

February 17, 2016

Our SentimentVis Browser is now available at http://sentimentvis.lnu.se.

2015

October 4, 2015

I gave a presentation titled "Toward Social Media Stance Analysis by Means of Visual Analytics" at the 3rd National Workshop on Data Science (SweDS), BTH, Karlskrona on September 30, 2015.

May 30, 2015

Teri Schamp-Bjerede and I gave a presentation titled "New Perspectives on Gathering, Vetting and Employing Big Data from Online Social Media: An Interdisciplinary Approach" at ICAME 36, Universität Trier, Trier, Germany on May 30, 2015.

April 15, 2015

I presented our paper titled "Text Visualization Techniques: Taxonomy, Visual Survey, and Community Insights" at the Vis Notes track of IEEE PacificVis 2015, Zhejiang University, Hangzhou, China on April 15, 2015 (video).

April 8, 2015

Teri Schamp-Bjerede and I gave a talk titled "An Interdisciplinary Approach to Gathering, Vetting and Employing Big Data from Online Social Media" at Centre for Languages and Literature seminar, Lund University on April 8, 2015.

March 25, 2015

Our article titled "Visual Analysis of Online Social Media to Open Up the Investigation of Stance Phenomena" has been accepted for publication by Information Visualization journal (video).

2014

December 12, 2014

I gave a talk titled "From Sentiment to Stance: Bootstrapping the Visual Analytics Approach for Social Media Stance Analysis" at a Computer Science department seminar, LNU on December 12, 2014.

November 14, 2014

Andreas Kerren and I presented two posters at IEEE VIS 2014, Paris, France: a VAST poster titled "Visual Analysis of Stance Markers in Online Social Media" (video) and an InfoVis poster titled "Text Visualization Browser: A Visual Survey of Text Visualization Techniques" (video).

June 29, 2014

Our Text Visualization Browser is now available at http://textvis.lnu.se.

June 13, 2014

I presented a paper by Andreas Kerren et al. titled "Multi-Scale Trend Visualization of Long-Term Temperature Data Sets" at SIGRAD 2014, Chalmers University, Göteborg on June 13, 2014.