PhD student in TU Wien supervised by Axel Polleres
Researcher in Institute for Information Business
Vienna University of Economics and Business
1020 Vienna
Email: svitlana dot vakulenko at wu dot ac dot at

My primary research interests are adjacent to the area of Natural Language Processing (NLP):

Current projects

Question Answering from Tabular data with Memory Networks architecture [Preprint] [Demo] [Code]

Open Data Assistant ODA (aka Franzl)
Chatbot as a semantic cross-lingual search interface to the open data portals (NodeJS, Babelfy) [Paper] [Messenger] [Skype] [Slides] [Poster] [Video]

Open Data AT Expertin (aka Rosie)
Chatbot as a search interface to the austrian open data portals (NodeJS) [Messenger] [Skype] [Code] [FAQ] [NewsI] [NewsII]

CommuniData FFG
Open Data for Local Communities (Jupyter Notebooks, wordcloud) [Jupyter server] [Code] [StuwerNews] (Twitterbot for local news)

R.I.P. (Research In Peace)
Breaking news monitor for computer science researchers (Flask + gunicorn + nginx) [Demo] [Code]

Hashtag Monitor
What's on in Vienna? New York City? Kyiv? Moscow? (Flask + gunicorn + nginx)

Past projects

InVID Horizon 2020
Social Media Filtering and Extraction (Java Vert.x RabbitMQ / Tweet2Vec) [Paper] [Deliverable 2.1]

Algorithms for Implicit Information Diffusion Networks Across Media [Paper] [Deliverable 3.2]

What's in?
Enriching iTunes App Store Categories via Topic Modeling (Gensim) [Paper] [Demo] [Poster] [Code]

Web development (JavaScript parallax)



Svitlana Vakulenko, Ilya Markov and Maarten de Rijke. Conversational Exploratory Search via Interactive Storytelling. SCAI (ICTIR). [PDF]

Svitlana Vakulenko and Vadim Savenkov. TableQA: Question Answering on Tabular Data. SEMANTiCS (demo). [HTML] [PDF] [Code] [Demo] [Slides]

Sebastian Neumaier, Vadim Savenkov and Svitlana Vakulenko. Talking Open Data. ESWC (demo). [PDF] [Chatbot Messenger] [Chatbot Skype]

Svitlana Vakulenko, Lyndon Nixon, and Mihai Lupu. Character-based Neural Embeddings for Tweet Clustering. SocialNLP (EACL). [PDF] [Code] [Slides]

Albert Weichselbraun, Stefan Gindl, Fabian Fischer, Svitlana Vakulenko, and Arno Scharl. Aspect-Based Extraction and Analysis of Affective Knowledge from Social Media Streams. IEEE Intelligent Systems. [PDF]


Svitlana Vakulenko, Albert Weichselbraun, and Arno Scharl. Detection of valid sentiment-target pairs in online product reviews and news media articles. WI. [PDF] [Slides]

Svitlana Vakulenko, Max Gobel, Arno Scharl, Lyndon Nixon. Visualising the Propagation of News on the Web. NewsIR (ECIR). [PDF] [Slides]


Gregory Katsios, Svitlana Vakulenko, Anastasia Krithara and Georgios Paliouras. Towards Open Domain Event Extraction from Twitter: REVEALing Entity Relations. DERIVE (ESWC). [PDF]


Svitlana Vakulenko, Oliver Muller, Jan vom Brocke. Enriching iTunes App Store Categories via Topic Modeling. ICIS. [PDF] [Poster] [Code] [Demo]

Nadine Reuter, Svitlana Vakulenko, Jan vom Brocke, Stefan Debortoli, Oliver Muller. Identifying the Role of Information Systems in Achieving Energy-Related Environmental Sustainability using Text Mining. ECIS. [PDF]

Andrea Herbst, Alexander Simons, Jan vom Brocke, Oliver Muller, Stefan Debortoli, Svitlana Vakulenko. Identifying and Characterizing Topics in Enterprise Content Management: a Latent Semantic Analysis of Vendor Case Studies. ECIS. [PDF]


Peep Kungas, Siim Karus, Svitlana Vakulenko, Marlon Dumas, Cristhian Parra, Fabio Casati. Reverse-engineering Conference Rankings: What Does It Take to Make a Reputable Conference? Scientometrics. [PDF]


Svitlana Vakulenko, Sudhir Agarwal. CoAggregator: User-Driven Approach to Web Aggregation. Technical report. AIFB/KIT. [PDF] [Video 1] [Video 2]


Svitlana Vakulenko. Extraction of Process Models from Business Process Descriptions. Master thesis. University of Tartu. [PDF]