Now showing items 1-3 of 3

    • A frequent named entities-based approach for interpreting reputation in Twitter 

      Bennacer Seghouani, Nacéra; Bugiotti, Francesca; Hewasinghage, Moditha Lakshan Dharmasir; Isaj, Suela; Quercini, Gianluca (2018-06-01)
      Article
      Open Access
      Twitter is a social network that provides a powerful source of data. The analysis of those data offers many challenges among those stands out the opportunity to find reputation of a product, a person or any other entity ...
    • Managing polyglot systems metadata with hypergraphs 

      Hewasinghage, Moditha Lakshan Dharmasir; Varga, Jovan; Abelló Gamazo, Alberto; Zimányi, Esteban (2018)
      Conference report
      Open Access
      A single type of data store can hardly fulfill every end-user requirements in the NoSQL world. Therefore, polyglot systems use different types of NoSQL datastores in combination. However, the heterogeneity of the data ...
    • On the performance impact of using JSON, beyond impedance mismatch 

      Hewasinghage, Moditha Lakshan Dharmasir; Nadal Francesch, Sergi; Abelló Gamazo, Alberto (Springer, 2020)
      Conference report
      Open Access
      NOSQL database management systems adopt semi-structured data models, such as JSON, to easily accommodate schema evolution and overcome the overhead generated from transforming internal structures to tabular data (i.e., ...