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Improved Compressed String Dictionaries
(ACM, 2019-11-03)
[Abstract] We introduce a new family of compressed data structures to efficiently store and query large string dictionaries in main memory. Our main technique is a combination of hierarchical Front-coding with ideas from ...
Map algebra on raster datasets represented by compact data structures
(John Wiley and Sons, 2023-06)
[Abstract]: The increase in the size of data repositories has forced the design of new computing paradigms to be able to process large volumes of data in a reasonable amount of time. One of them is in-memory computing, ...
An Efficient Representation of Enriched Temporal Trajectories
(SciTePress, 2021)
[Abstract] We present a novel representation of enriched trajectories of a mobile workforce management system. In this system, employees are tracked during their working day and both their routes and the tasks performed ...
Lossless Compression of Industrial Time Series With Direct Access
(Elsevier, 2021)
[Abstract] The new opportunities generated by the data-driven economy in the manufacturing industry have causedmany companies opt for it. However, the size of time series data that need to be captured creates theproblem ...