• A comparison of distributed spatial data management systems for processing distance join queries 

      García-García F., Corral A., Iribarne L., Mavrommatis G., Vassilakopoulos M. (2017)
      Due to the ubiquitous use of spatial data applications and the large amounts of spatial data that these applications generate, the processing of large-scale distance joins in distributed systems is becoming increasingly ...
    • Confronting Sparseness and High Dimensionality in Short Text Clustering via Feature Vector Projections 

      Akritidis L., Alamaniotis M., Fevgas A., Bozanis P. (2020)
      Short text clustering is a popular problem that focuses on the unsupervised grouping of similar short text documents, or entitled entities. Since the short texts are currently being utilized in a vast number of applications, ...
    • Distance range queries in spatialhadoop 

      García-García F., Corral A., Iribarne L., Vassilakopoulos M. (2016)
      Efficient processing of Distance Range Queries (DRQs) is of great importance in spatial databases due to the wide area of applications. This type of spatial query is characterized by a distance range over one or two datasets. ...
    • Enhancing spatialhadoop with closest pair queries 

      García-García F., Corral A., Iribarne L., Vassilakopoulos M., Manolopoulos Y. (2016)
      Given two datasets P and Q, the K Closest Pair Query (KCPQ) finds the K closest pairs of objects from P×Q. It is an operation widely adopted by many spatial and GIS applications. As a combination of the K Nearest Neighbor ...