1. In-memory parallelization of join queries over large ontological hierarchies

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   • Manolis Koubarakis

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2. A kernel discriminant analysis for spatially dependent data

   • Soumia Boumeddane
   • Leila Hamdad
   • Sophie Dabo-Niang

   OriginalPaper 27 August 2020 Pages: 583 - 606

   

3. Influential facilities placement over moving objects

   • Ying Zhou
   • Hui Li
   • Jiangtao Cui

   OriginalPaper 20 September 2020 Pages: 607 - 636

   

4. MISCELA: discovering simultaneous and time-delayed correlated attribute patterns

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   • Yuya Sasaki
   • Makoto Onizuka

   OriginalPaper Open access 25 September 2020 Pages: 637 - 664

   

5. Stratified random sampling from streaming and stored data

   • Trong Duc Nguyen
   • Ming-Hung Shih
   • Bojian Xu

   OriginalPaper 23 October 2020 Pages: 665 - 710

   

6. A simplified variant of tabled asymmetric numeral systems with a smaller look-up table

   • Na Wang
   • Chao Wang
   • Sian-Jheng Lin

   OriginalPaper 30 October 2020 Pages: 711 - 732

   

7. Algorithms for processing the group K nearest-neighbor query on distributed frameworks

   • Panagiotis Moutafis
   • Francisco García-García
   • Luis Iribarne

   OriginalPaper 09 November 2020 Pages: 733 - 784

   

8. Sensitive attribute privacy preservation of trajectory data publishing based on l-diversity

   • Lin Yao
   • Zhenyu Chen
   • Bin Wu

   OriginalPaper 17 November 2020 Pages: 785 - 811

   

9. An efficient sampling-based visualization technique for big data clustering with crisp partitions

   • K. Rajendra Prasad
   • Moulana Mohammed
   • Dinesh Kumar Anguraj

   OriginalPaper 19 February 2021 Pages: 813 - 832

   

10. PatchIndex: exploiting approximate constraints in distributed databases

    • Steffen Kläbe
    • Kai-Uwe Sattler
    • Stephan Baumann

    OriginalPaper Open access 06 March 2021 Pages: 833 - 853