Book Review : Recommender Systems for Social Tagging Systems: A review

Recommender Systems for Social Tagging Systems: A review by  Epaminondas Kapetanios ISBN 978-1-4614-1894-8 The book, authored by Leandro Balby Marinho, Andreas Hotho, Robert Jäschke, Alexandros Nanopoulos, Steffen Rendle, Lars Schmidt, Thieme Gerd Stumme, Panagiotis Symeonidis, and published by Springer in 2012, discusses the role of recommender systems in order to serve social tagging systems. With… Continue reading Book Review : Recommender Systems for Social Tagging Systems: A review

Events Summer 2013

Conferences/Workshops TSD 2013: Sixteenth International Conference on TEXT, SPEECH and DIALOGUE. Of interest to members working in the area of the search for both spoken and written documents. Plzen (Pilsen), Czech Republic, 1-5 September 2013. http://www.tsdconference.org MCW2013: The 4th International Symposium on Information Management in a Changing World.  Of interest to members working in the… Continue reading Events Summer 2013

Editorial

Welcome back! This spring 2013 edition of Informer will bring you a range of fairly different articles, perhaps just the right mix for this time of the year. More about the articles later, let us first have a glimpse at what has been going on in the IR community. SIGIR 2013 is taking shape. Following the… Continue reading Editorial

Information Wayfinding, Part 1: A Not-So-New Metaphor

Browsing the Web. Surfing the Net. Navigating a Web site. Traversing a hierarchy. Going back. Scrolling up and down. Returning home. We’ve seen such metaphors throughout our history of using computers to interact with information. Haphazard though they may seem be, these metaphors highlight a universal reality of human psychology: we perceive the world—both physical… Continue reading Information Wayfinding, Part 1: A Not-So-New Metaphor

Interaction Models for Faceted Search

Introduction Faceted search offers tremendous potential for transforming the search experience. It provides a flexible framework by which users can satisfy a wide variety of information needs, ranging from simple fact retrieval to complex exploratory search and discovery scenarios. But there is one design aspect of faceted search that is particuarly hard to get right:… Continue reading Interaction Models for Faceted Search

Search: Emergent and Extrinsic Semantics

Semantics is a term often used in the search technology and information retrieval community these days. A distinction is drawn between semantic and traditional search, implying that somehow semantic search is a more advanced or sophisticated form. My claim in this article is that there are actually two forms of semantic search: emergent and extrinsic.… Continue reading Search: Emergent and Extrinsic Semantics

Hybrid Parallel Classifiers for Managing Big Data with Hierarchies

“Big Data” is one of the latest buzzwords in the IT industry nowadays. Companies are building up huge stores of data running into terabytes and more. Data hierarchies are getting bigger and bigger and more complex. At the same time, search/categorization speeds are also expected to increase. Single classifiers are now unable to deal with… Continue reading Hybrid Parallel Classifiers for Managing Big Data with Hierarchies

Information Retrieval Group, University of Duisburg-Essen

(This article was co-authored with  Sascha Kriewel, University of Duisburg-Essen.) The Information Retrieval group at the University of Duisburg-Essen is part of the Computer Science and Applied Cognitive Science Department in the Faculty of Engineering Sciences at the University of Duisburg-Essen. The department provides degree programmes in Applied Computer Science as well as in Applied… Continue reading Information Retrieval Group, University of Duisburg-Essen