Feature Article

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 [...]

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. [...]

Fig 1: Semantic Subspaces in a Large Data Space

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 [...]

"And the award goes to the best dressed man in the room" - Norbert Fuhr receiving the Salton Award at SIGIR 2012

IR Made In Germany – The German IR Special Interest Group

Introduction – IR Made In Germany 2012 marked an exciting year for the German Information Retrieval community, when for the first time ever with Norbert Fuhr a German was awarded the prestigious Gerard Salton Award. Besides being a well-deserved personal award, this brings with it a nice appreciation of the work performed by the German [...]

Webis Group, Weimar

Webis Group, Weimar

The Web Technology and Information Systems group, Webis for short (www.webis.de), is part of the media faculty at the Bauhaus-Universität Weimar. The faculty provides, among others, the study course Computer Science and Media (both bachelor and master) and has a strong commitment to research in the field of digital media and information technology. The Webis [...]

Information Retrieval between Disciplines: Computer Science and Information Science – The IR group at the University of Hildesheim

Information Retrieval Research in Germany is mainly done within the Computer Science Community represented by the Special Interest Group. But there is also a considerable amount of work done within the smaller Information Science Community in the German speaking countries. The University of Hildesheim forms a link between these otherwise largely distinct communities. Information Science [...]

New Book: Designing the Search Experience

New Book: Designing the Search Experience

Remember the Yahoo! Directory? It was a hand-built taxonomy that allowed users to browse and discover Internet resources. By categorizing sites by topic and location, it became the definitive map of the World Wide Web. But at the turn of the millennium, Yahoo! transformed itself from a directory into a search engine. The task of [...]