• Efficient Parallel Skyline Query Processing for High-Dimensional Data 

      Tang M.; Yu Y.; Aref W.G.; Malluhi Q.M.; Ouzzani M. ( IEEE Computer Society , 2018 , Article)
      Given a set of multidimensional data points, skyline queries retrieve those points that are not dominated by any other points in the set. Due to the ubiquitous se of skyline queries, such as in preference-based query ...
    • Similarity Group-by Operators for Multi-Dimensional Relational Data 

      Tang, Mingjie; Tahboub, Ruby Y.; Aref, Walid G.; Atallah, Mikhail J.; Malluhi, Qutaibah M.; ... more authors ( IEEE Computer Society , 2016 , Conference Paper)
      The SQL group-by operator plays an important role in summarizing and aggregating large datasets in a data analytics stack. While the standard group-by operator, which is based on equality, is useful in several applications, ...
    • The similarity-aware relational intersect database operator 

      Al Marri, Wadha J.; Malluhi, Qutaibah; Ouzzani, Mourad; Tang, Mingjie; Aref, Walid G. ( Springer International Publishing , 2014 , Conference Paper)
      Identifying similarities in large datasets is an essential operation in many applications such as bioinformatics, pattern recognition, and data integration. To make the underlying database system similarity-aware, the core ...