Category: Publications

“Determining the Presence of Political Parties in Social Circles” by Christophe Van Gysel, Bart Goethals and Maarten de Rijke is available online. In the paper, we derive the political climate of the social circles of Twitter users using a weakly-supervised approach. By applying random walks over a sub-sample of Twitter’s social graph we infer a…

Our ACM Transactions on Information Systems paper called “A comparative analysis of interleaving methods for aggregated search” by Aleksandr Chuklin, Anne Schuth, Ke Zhou and Maarten de Rijke is available online now. A result page of a modern search engine often goes beyond a simple list of “ten blue links.” Many specific user needs (e.g., News, Image,…

An Information Processing & Management paper on burst-aware data fusion for microblog search by Shangsong Liang and Maarten de Rijke is online now. We consider the problem of searching posts in microblog environments. We frame this microblog post search problem as a late data fusion problem. Previous work on data fusion has mainly focused on aggregating…

Our ECIR 2015 paper on user behavior in location search on mobile devices by Yaser Norouzzadeh Ravari, Ilya Markov, Artem Grotov, Maarten Clements and Maarten de Rijke is online now. Location search engines are an important part of GPS-enabled devices such as mobile phones and tablet computers. In this paper, we study how users behave when they…

Our ECIR 2015 paper on multi-emotion detection in user-generated reviews by Lars Buitinck, Jesse van Amerongen, Ed Tan and Maarten de Rijke is online now. Expressions of emotion abound in user-generated content, whether it be in blogs, reviews, or on social media. Much work has been devoted to detecting and classifying these emotions, but little of it…

Our ECIR 2015 paper on automatically assessing article quality by exploiting article-bitor networks by Xinyi Li, Jintao Tang, Ting Wang, Zhunchen Luo and Maarten de Rijke is online now. We consider the problem of automatically assessing Wikipedia article quality. We develop several models to rank articles by using the editing relations between articles and editors. First, we…

Our WSDM 2015 paper “mergeRUCB: A method for large-scale online ranker evaluation” by Masrour Zoghi, Shimon Whiteson and Maarten de Rijke is online now. A key challenge in information retrieval is that of on-line ranker evaluation: determining which one of a finite set of rankers performs the best in expectation on the basis of user clicks on…

Our CIKM 2014 paper on “Online exploration for detecting shifts in fresh intent” by Damien Lefortier, Pavel Serdyukov and Maarten de Rijke is available online now. In web search, recency ranking refers to the task of ranking documents while taking into account freshness as one of the criteria of their relevance. There are two approaches to recency…

Our CIKM 2014 paper “Time-aware rank aggregation for microblog search” by Shangsong Liang, Zhaochun Ren, Wouter Weerkamp, Edgar Meij and Maarten de Rijke is available online now. In the paper we tackle the problem of searching microblog posts and frame it as a rank aggregation problem where we merge result lists generated by separate rankers so as…

Our CIKM 2014 paper “Time-Sensitive Personalized Query Auto-Completion” by Fei Cai, Shangsong Liang and Maarten de Rijke is online now. Query auto-completion (QAC) is a prominent feature of modern search engines. It is aimed at saving user’s time and enhancing the search experience. Current QAC models mostly rank matching QAC candidates according to their past popularity, i.e.,…