Two demos will be presented in the
WWW 2017 conference:
"Exploring polarized consumption of news online," by Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis, and Michael Mathioudakis, and
"AncestryAI: a tool for exploring computationally inferred family trees," by Eric Malmi, Marko Rasa, and Aristides Gionis.
The tutorial "Polarization on social media", by Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis, and Michael Mathioudakis, will be presented in the AAAI International Conference on Web and Social Media (ICWSM) 2017.
Kiran Garimella is presenting his work in three universities in the UK:
Kings College London, 13 Feb 2017, hosted by Nishanth Sastry,
Queen Mary University London, 14 Feb 2017, hosted by Hamed Haddadi, and
University of Edinburgh, 16 Feb 2017, hosted by Walid Magdy.
Two papers accepted as posters in the
WWW 2017 conference:
"Media attention to science," by Kiran Garimella and Han Xiao, and
"Understanding international migration using tensor factorization," by Hieu Nguyen and Kiran Garimella.
The paper "On the troll-trust model for edge sign prediction in social networks," by Géraud Le Falher, Nicolo Cesa-Bianchi, Claudio Gentile, and Fabio Vitale, was accepted in AISTATS 2017.
Kiran Garimella is attending WSDM 2017 and presenting the paper "Reducing controversy by connecting opposing views," which was also nominated for best paper award. Here is a blogpost about the paper by Kiran.
The paper "Finding dynamic dense subgraphs" by Polina Rozenshtein, Nikolaj Tatti, and Aristides Gionis, will appear in TKDD journal.
Three papers of our group have been accepted to
"Discovering bursts revisited: guaranteed optimization of the model parameters", by Nikolaj Tatti,
"Finding low-tension communities", by Esther Galbrun, Behzad Golshan, Aristides Gionis, and Evimaria Terzi, and
"Community-aware network sparsification", by Aristides Gionis, Polina Rozenshtein, Nikolaj Tatti, and Evimaria Terzi.
Albert Merlin Arockiasamy presented his MS thesis titled "A combinatorial approach to role discovery". A related paper will be presented next week in ICDM 2016.
Kiran Garimella received a student grant for attending WSDM 2017.
The paper "Modeling Urban Behavior by Mining Geotagged Social Data" (pdf), with Emre Çelikten, Géraud Le Fahler, and Michael Mathioudakis was accepted for publication in the IEEE Transactions on Big Data, Special Issue on Urban Computing, 2016.
Preethi Lahoti talks about her experience in the data mining group and her summer internship in Nokia Bell Labs.
Kiran Garimella, Michael Mathioudakis, and Clemens Westrup
gave talks in this year's
Kiran and Michael's talk was on using networkX to visualize interactions on twitter. The talk described how they produced plots that appear in recent work on polarization on social media (slides).
Clemens presented material from his Masters thesis and specifically how he used machine-learning libraries in python to tag text in job postings (slides).
More information on Michael's post.
Polina Rozenshtein received a Nokia scholarship grant. Congratulations Polina.
The paper "Reducing controversy by connecting opposing views", with Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis, and Michael Mathioudakis, was accepted in WSDM 2017.
Han Xiao, Polina Rozenshtein, and Nikolaj Tatti are attending the ECML PKDD 2016 conference, presenting 4 papers, and 1 tutorial.
The paper "A combinatorial approach to role discovery", with Merlin Arockiasamy, Nikolaj Tatti, and Aristides Gionis was accepted in ICDM 2016.
An extended version of the paper "Backbone discovery in traffic networks", with Sanjay Chawla, Kiran Garimella, Aristides Gionis, and Dominic Tsang, was published in the International Journal of Data Science and Analytics.
Nikos Parotsidis, from University of Rome "Tor Vergata", is visiting the data mining group for two months.
The paper "Extracting skill endorsements from personal communication data", with Darshan M.S., Gianmarco De Francisci Morales, and Aristides Gionis was accepted in CIKM 2016.
Promotional videos for our group's KDD papers: "Reconstructing an epidemic over time", and "DopeLearning: A computational approach to rap lyrics generation". Enjoy!
Two papers of our group have been accepted to the conference track of
ECML PKDD 2016:
"Discovering topically and temporally coherent events in interaction networks", by Han Xiao, Polina Rozenshtein and Aristides Gionis, and
"Temporal PageRank", by Polina Rozenshtein and Aristides Gionis.
Two more will appear in the journal track of the conference.
Han Xiao finished his MS thesis in the University of Helsinki and is starting as a new PhD student in the Aalto data mining group.
Clemens Westrup was selected to represent Aalto in the IBM Best Student Recognition Event 2016, which will take place in Hursley, UK.
Preethi Lahoti has started an internship in Bell Labs Dublin.
Eric Malmi has started an internship in Google Zurich.
Igor Andriushchenko, Mahmoud Khodier, and Yangjun Wang have given their Masters thesis presentations.
The paper "Reconstructing an epidemic over time", by Polina Rozenshtein, Aristides Gionis, B. Aditya Prakash, and Jilles Vreeken will be presented as a poster in KDD 2016.
The paper "DopeLearning: A computational approach to rap lyrics generation", by Eric Malmi, Pyry Takala, Hannu Toivonen, Tapani Raiko, and Aristides Gionis will be presented in the Applied Data Science track of KDD 2016.
Eric Malmi is attending the ICWSM 2016 conference, and presenting the paper "You are what apps you use: Demographic prediction based on user's apps" (co-authored with Ingmar Weber).
Cristina Muntean from CNR is visiting the data mining group.
Kiran Garimella has started an internship at Amazon in Bangalore.
Saskia Metzler from MPI is visiting the data mining group.
Mauro Coletto from IMT Lucca School for Advanced Studies is visiting the data mining group.
The paper "You are what apps you use: Demographic prediction based on user's apps" by Eric Malmi and Ingmar Weber will be presented in ICWSM 2016. The work was featured in Washington Post.
Emre Çelikten, Géraud Le Fahler, and Michael Mathioudakis will present a demo at WWW 2016 on "Exploring Urban Activity using Social Web Traces".
The paper "Discovering the network backbone from traffic activity data," by Sanjay Chawla, Kiran Garimella, Aristides Gionis, and Dominic Tsang will appear in PAKKD 2016.
Rap lyrics generator tool, DeepBeat is out. By Eric Malmi & co.
Kiran Garimella reports on CIKM 2015.
Orestis Kostakis received a Nokia scholarship grant.
The paper "Quantifying controversy in social media", with Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis, and Michael Mathioudakis, was accepted in WSDM 2016. You may already read a report on our results at MIT Tech Review.
Kiran Garimella wrote a blogpost on our new CIKM 2015 paper on "Scalable facility location for massive graphs on pregel-like systems."
Preethi Lahoti and Albert Merlin Arockiasamy, both Masters honours students, are joining the data mining group.
Yangjun Wang and Han Xiao are starting their master thesis projects in the data mining group.
Anis Nasir from KTH is starting an internship in our group.
Polina Rozenshtein attended the Maldago summer school on streaming algorithms, in Aarhus.
"Who let the DAGS out," a new blog post by Eric Malmi, with results and reflections on our upcoming DMKD paper.
Two papers from our group are accepted to
"Hierachies in directed networks", by Nikolaj Tatti; and
"Absorbing random-walk centrality: Theory and algorithms", by Charalampos Mavroforakis, Michael Mathioudakis, and Aristides Gionis.
One paper accepted to CIKM 2015 conference: "Scalable facility location for massive graphs on Pregel-like systems", by Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis, and Mauro Sozio.
Kiran Garimella will be a summer intern in linkedIn.
Fabio Vitale from the University of Lille is visiting the Data Mining group.
Open positions in the Data Mining group.
Gianmarco De Francisci Morales is visiting the Lab of Communicaiton Networks (LCN) in KTH.
The project Network structure from group response (Nestor) received funding from the Academy of Finland.
Starting July, Eric Malmi will be a summer intern in QCRI.
Michael Mathioudakis is visiting the MAGNET team in the University of Lille.
Three papers with authors in our group are accepted in
ECML PKDD 2015:
"A kernel-learning approach to semi-supervised clustering with relative distance comparisons", with Ehsan Amid, Aristides Gionis, and Antti Ukkonen,
"Maintaining sliding-window neighborhood profiles in interaction networks", with Rohit Kumar, Toon Calders, Aristides Gionis, and Nikolaj Tatti,
"The blind leading the blind: Network-based location estimation under uncertainty", with Eric Malmi, Arno Solin, and Aristides Gionis.
Lots of mobility in the data mining group during summer. Polina Rozenshtein is interning in MPI and Orestis Kostakis in Nokia. Behzad Golshan is visiting us from Boston University, and Sidharth Gupta found his way in Aalto while moving from IIT Kanpur to CMU. And three Aalto students, Emre Çelikten, Darshan M.S., and Marko Rasa, are doing summer internships.
Gianmarco De Francisci Morales gave a keynote in the EVAM stream processing event.
Northern bytes blog post on apartment prices in Helsinki.
Julien Blegean presented his Masters thesis: "Twitter the Rioter: Analyzing roles through a protest on social media. What was your part during the 2014 Ferguson riots?"
The paper "Efficient online evaluation of big data stream classifiers", by Albert Bifet, Gianmarco De Francisci Morales, Jesse Read, Bernhard Pfahringer, and Geoff Holmes was accepted in KDD 2015.
Are you working on algorithms for evolving networks? Consider submitting a paper on the upcoming special issue of Internet Mathematics.
Tutorial on "Dense subgraph discovery" with Aristides Gionis and Babis Tsourakakis will be presented in KDD 2015.
The paper "Multiview triplet embedding: learning attributes in multiple maps", by Ehsan Amid and Antti Ukkonen, was accepted to ICML 2015.
The data mining group joins the Revolution of Knowledge project, funded by Tekes.
Short paper accepted to SIGIR 2015: "Subsequence search in event-interval sequences", by Orestis Kostakis and Aristides Gionis.
Gianmarco De Francisci Morales is joining the data mining group as a postdoc (nationalities++).
Two papers from our group will be presented in the ICWSM 2015 conference, in Oxford: "Where is the Soho of Rome? Measures and algorithms for finding similar neighborhoods in cities", by Géraud Le Fahler, Michael Mathioudakis, and Aristides Gionis, and "Covering the egonet: A crowdsourcing approach to social circle discovery on twitter" by Karmen Dykstra, Jefrey Lijffijt, and Aristides Gionis (coauthors+=3).
Two papers accepted in the Data Mining and Knowledge Discovery journal: "Beyond rankings: comparing directed acyclic graphs", by Eric Malmi, Nikolaj Tatti and Aristides Gionis, and "Finding the longest common sub-pattern in sequences of temporal intervals", by Orestis Kostakis and Panagiotis Papapetrou.
The paper "Density-friendly graph decomposition", by Nikolaj Tatti and Aristides Gionis, was accepted to WWW 2015.
Opportunities for summer internships in the ICS department, with a number of projects with the data mining group.
Polina Rozenshtein and Orestis Kostakis receive a funded position in the Helsinki doctoral education network HICT.
Northern bytes has now a new look and a new website.
Aalto SCI posted "Data miner sets off to conquer Berlin", about Eric Malmi's work
Eric Malmi received a Nokia scholarship grant.
The paper "Bump hunting in the dark: Local discrepancy maximization on graphs", authored by Aristides Gionis, Michael Mathioudakis, and Antti Ukkonen, was accepted at ICDE 2015.
Kiran Garimella posted about his latest SocInfo 2014 paper on romantic relationship breakups in twitter.
Polina Rozenshtein received the best student paper award in ECML PKDD 2014.
Seven papers co-authored by members of the data mining group will be presented in ECML PKDD 2014.
Polina Rozenshtein gave a presentation in KDD for the paper "Event detection in activity networks".
Kiran Garimella wrote a blog post about his recent ACM Hypertext paper.
Géraud Le Falher and Polina Rozenshtein will defend their master theses on Thu, Aug 14.
Starting Northern bytes, the data mining group's blog.