Our SIGIR 2014 paper “Fusion helps diversification” by Shangsong Liang, Zhaochun Ren and Maarten de Rijke is available online now. A popular strategy for search result diversification is to first retrieve a set of documents utilizing a standard retrieval method and then rerank the results. We adopt a different perspective on the problem, based on data…
SIGIR 2014 paper on microblog retrieval online
Our SIGIR 2014 paper “A syntax-aware re-ranker for microblog retrieval” by Aliaksei Severyn, Alessandro Moschitti, Manos Tsagkias, Richard Berendsen and Maarten de Rijke is online now. We tackle the problem of improving microblog retrieval algorithms by proposing a robust structural representation of (query, tweet) pairs. We employ these structures in a principled kernel learning framework that automatically…
Hoe werkt een zoekmachine?
Op 18 mei geef ik een Wakker Worden lezing bij NEMO. Het onderwerp is “Hoe werkt Google?” en er zijn twee momenten waarop de lezing wordt gegeven: 11.00u en 13.00u.
SIGIR 2014 paper on evaluating intuitiveness of vertical-aware click models online
Our SIGIR paper “Evaluating Intuitiveness of Vertical-Aware Click Models” by Aleksandr Chuklin, Ke Zhou, Anne Schuth, Floor Sietsma and Maarten de Rijke is available online now. Modeling user behavior on a search engine result page is important for understanding the users and supporting simulation experiments. As result pages become more complex, click models evolve as well in…
SIGIR 2014 paper on personalized document re-ranking online
Our SIGIR 2014 paper “Personalized Document Re-ranking Based on Bayesian Probabilistic Matrix Factorization” by Fei Cai, Shangsong Liang and Maarten de Rijke is available online now. A query considered in isolation provides limited information about the searcher’s interest. Previous work has considered various types of user behavior, e.g., clicks and dwell time, to obtain a better understanding…
SIGIR 2014 paper on email recipient recommendation online
Our SIGIR 2014 paper “Recipient Recommendation in Enterprises using Communication Graphs and Email Content” by David Graus, David van Dijk, Manos Tsagkias, Wouter Weerkamp and Maarten de Rijke is available online now. We address the task of recipient recommendation for emailing in enterprises. We propose an intuitive and elegant way of modeling the task of recipient recommendation,…
Twitter analyse in De Correspondent
De Correspondent heeft een interessant stuk over Twitter analyse, met een gedeelte waarin ik wat uitspraken doe over het gebruik van Twitter voor het doen van voorspellingen over offline gebeurtenissen.
Vrij Nederland over sociale media analyse
Vrij Nederland heeft een uitgebreid stuk over het gebruik van sociale media en sociale media analyse door politie- en inlichtingendiensten. Ik doe daarin enige uitspraken over het relatieve gemak waarmee allerlei persoonlijke kenmerken kunnen worden afgeleid uit sociale media, zowel uit tekst als uit andere signalen zoals “likes.”
ECIR 2014 proceedings online
With 10 days to go to ECIR 2014, the ECIR 2014 proceedings are online now. You can find information about it at the Springer web site or access the online version directly at this page. Now playing: Portico Quartet — Rubidium
HPC grant
My colleague Lars Buitinck and I received a grant from the HPC fund to support the development of a more scalable version of xTAS, our extensible text analysis service. It’s the pipeline that we (and others) use for our text mining work. This is great news as it allows us to port modules to the…