Recent Submissions

  • Matrix and Tensor Factorization with Recommender System Applications 

    Symeonidis P (Chapman and Hall/CRC, 2015)
    Graphs provide an intuitive way of representing connected or interacting entities [GY99]. One can very easily model and study various real-life and scientific structures using graphs, e.g., web pages linking to each other ...
  • Recommender systems for location-based social networks 

    Symeonidis P; Ntempos D; Manolopoulos Y (Springer New York, 2014)
    Online social networks collect information from users' social contacts and their daily interactions (co-tagging of photos, co-rating of products etc.) to provide them with recommendations of new products or friends. Lately, ...
  • GeoSocialRec: Explaining recommendations in location-based social networks 

    Symeonidis P; Krinis A; Manolopoulos Y (Springer, 2013)
    Social networks have evolved with the combination of geographical data, into location-based social networks (LBSNs). LBSNs give users the opportunity, not only to communicate with each other, but also to share images, ...
  • Social tagging recommender systems 

    Marinho LB; Nanopoulos A; Schmidt-Thieme L; Jäschke R; Hotho A; Stumme G; Symeonidis P (Springer US, 2011)
    The new generation of Web applications known as (STS) is successfully established and poised for continued growth. STS are open and inherently social; features that have been proven to encourage participation. But while ...
  • Recommender systems for social tagging systems 

    Marinho LB; Hotho A; Jäschke R; Nanopoulos A; Rendle S; Schmidt-Thieme L; Stumme G; Symeonidis P (Springer Science & Business Media, 2012)
    Social Tagging Systems are web applications in which users upload resources (e.g., bookmarks, videos, photos, etc.) and annotate it with a list of freely chosen keywords called tags. This is a grassroots approach to organize ...
  • Matrix and Tensor Factorization Techniques for Recommender Systems 

    Symeonidis P; Zioupos A (Springer Verlag, 2017)
    This book presents the algorithms used to provide recommendations by exploiting matrix factorization and tensor decomposition techniques. It highlights well-known decomposition methods for recommender systems, such as ...
  • Βάσεις Αποθήκες και Εξόρυξη Δεδομένων: Στο Εργαστήριο με τον SQL Server 

    Συμεωνίδης Π; Γούναρης Α (Σύνδεσμος Ελληνικών Ακαδημαϊκών Βιβλιοθηκών, 2015)
    Αυτό το ηλεκτρονικό βιβλίο αποτελεί έναν εργαστηριακό οδηγό σε θέματα βάσεων, αποθηκών και εξόρυξης δεδομένων με τον MS SQL Server. To ebook αξιοποιεί όλα τα σύγχρονα χαρακτηριστικά των tablets και του διαδικτύου, προσφέροντας ...
  • Internetized Television Debates: Enhancing Citizens’ Participation 

    Deligiaouri A; Symeonidis P (IGI Global, 2012)
    The convergence of television with internet technologies has further upheld the participatory role of Internet in modern political communication. The adoption of Internet communication regulations in television programs ...
  • Recommending Based on Implicit Feedback 

    Jannach D; Lerche L; Zanker M (Springer, 2018)
    Recommender systems have shown to be valuable tools for filtering, ranking, and discovery in a variety of application domains such as e-commerce, media repositories or document-based information in general that includes ...
  • Emotion-Based Matching of Music to Places 

    Kaminskas M; Ricci F (Springer Verlag, 2017)
    Music and places can both trigger emotional responses in people. This chapter presents a technical approach that exploits the congruence of emotions raised by music and places to identify music tracks that match a place ...
  • Testing and Comparing the Performance of Cloud Service Providers using a Service Broker Architecture 

    Elango DM; Fowley F; Pahl C (Springer, 2018)
    Service brokers are tools that allow different individual service providers to be integrated. An API can be a mechanism to provide a joint interface. Broker can actually also be use for more than integration. We use a ...
  • An Ontology-based Architecture for an Adaptable Cloud Storage Broker 

    Elango DM; Fowley F; Pahl C (Springer, 2018)
    Interoperability and easier migration between offered serviced are aims that can be supported by cloud service brokerage in the cloud service ecosytem. We present here a multi-cloud storage broker, implemented as an API. ...
  • Cloud Migration Architecture and Pricing: Mapping a Licensing Business Model for Software Vendors to a SaaS Business Model 

    Fowley F; Pahl C (Springer, 2018)
    Cloud migration is about moving an on-premise software system into the cloud. Many approaches exist that describe the technical migration analysis and the architectural migration. Equally, cloud cost models have been ...
  • Domain Model Definition for Domain-Specific Rule Generation Using Variability Model 

    Mani N; Helfert M; Pahl C; Nimmagadda SL; Vasa P (Springer, 2018)
    The business environment is rapidly undergoing changes, and they need a prompt adaptation to the enterprise business systems. The process models have abstract behaviors that can apply to diverse conditions. For allowing ...
  • Temporal Data Management: An Overview 

    Böhlen MH; Dignös A; Gamper J; Jensen CS (Springer, 2018)
    Despite the ubiquity of temporal data and considerable research on the effective and efficient processing of such data, database systems largely remain designed for processing the current state of some modeled reality. ...
  • Multilevel Variable-Block Schur-Complement-Based Preconditioning for the Implicit Solution of the Reynolds- Averaged Navier-Stokes Equations Using Unstructured Grids 

    Carpentieri B; Bonfiglioli A (InTech, 2018)
    Implicit methods based on the Newton’s rootfinding algorithm are receiving an increasing attention for the solution of complex Computational Fluid Dynamics (CFD) applications due to their potential to converge in a very ...
  • An Approach to Migrate and Manage Software: Cloud-Based Requirements Management 

    Samir A (Springer, 2017)
    Many enterprises are using cloud paradigm to migrate and manage their applications over the Internet. However, there are several challenges that should be considered to achieve the optimal usage of cloud features. This ...
  • Reactive event calculus for monitoring global computing applications 

    Bragaglia S; Chesani F; Mello P; Montali M; Torroni P (Springer, 2012)
    In 1986 Kowalski and Sergot proposed a logic-based formalism named Event Calculus (EC), for specifying in a declarative manner how the happening of events affects some representation (the state) of the world. Since its ...
  • Visualizing geographical information through tag clouds 

    De Chiara D; Del Fatto V; Sebillo M (Physica-Verlag, 2012)
    In the last decade, the need to support decision makers in solving problems related to a territory and its phenomena has stimulated Geographic Information Visualization (GeoVis) researchers to propose highly interactive ...
  • Development of a 3 DoF MR-Compatible Haptic Interface for Pointing and Reaching Movements 

    Klare S; Peer A; Buss M (Springer-Verlag Berlin Heidelberg, 2010)
    This paper describes a 3 DoF MR-compatible haptic interface which can be used to investigate human brain mechanisms of voluntary finger movements. The newly developed device is built of non-ferromagnetic materials to avoid ...

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