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  1. No Access

    Chapter and Conference Paper

    Scalable and Explainable User Role Detection in Social Media

    While identifying specific user roles in social media -in particular bots or spammers- has seen significant progress, generic and all-encompassing user role classification remains elusive on the large data set...

    Johannes Kastner, Peter M. Fischer in New Trends in Database and Information Systems (2021)

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    Chapter and Conference Paper

    Inferring Missing Retweets in Twitter Information Cascades

    Sharing (and thus amplifying) information on social media has an enormous impact, so there is a strong motivation to identify the paths on which information diffuses. Yet, in practice, there are many challenge...

    Jennifer Neumann, Peter M. Fischer in New Trends in Database and Information Systems (2021)

  3. No Access

    Chapter and Conference Paper

    Provenance of Explicit and Implicit Interactions on Social Media with W3C PROV-DM

    In recent years, research in information diffusion in social media has attracted a lot of attention, since the data produced is fast, massive and viral. The provenance of such data is equally important because i...

    Io Taxidou, Tom De Nies, Peter M. Fischer in Behavioral Analytics in Social and Ubiquit… (2019)

  4. Chapter and Conference Paper

    Durchblick - A Conference Assistance System for Augmented Reality Devices

    We present Durchblick, a conference assistance system for Augmented Reality devices. We demonstrate a prototype which can deliver context-sensitive event information and recommendations via Google Glass. This ...

    Anas Alzoghbi, Peter M. Fischer, Anna Gossen in The Semantic Web: ESWC 2014 Satellite Even… (2014)

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    Chapter and Conference Paper

    TPC-BiH: A Benchmark for Bitemporal Databases

    An increasing number of applications such as risk evaluation in banking or inventory management require support for temporal data. After more than a decade of standstill, the recent adoption of some bitemporal...

    Martin Kaufmann, Peter M. Fischer in Performance Characterization and Benchmark… (2014)

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    Chapter and Conference Paper

    Extending XQuery with a Pattern Matching Facility

    Considering the growing usage of XML for communication and data representation, the need for more advanced analytical capabilities on top of XQuery is emerging. In this regard, a pattern matching facility can ...

    Peter M. Fischer, Aayush Garg, Kyumars Sheykh Esmaili in Database and XML Technologies (2010)