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View article: TREAT - Two wRongs makE A righT: efficient distributed storage and queries of IoT datasets with erasure coding and compression
TREAT - Two wRongs makE A righT: efficient distributed storage and queries of IoT datasets with erasure coding and compression Open
Erasure coding in distributed multi-cloud data storage increases availability, durability and security, but it also makes data analytics inefficient since the whole dataset must be reconstructed to answer a query, even if the result set is…
View article: Change a Bit to Save Bytes: Compression for Floating Point Time-Series Data
Change a Bit to Save Bytes: Compression for Floating Point Time-Series Data Open
The number of IoT devices is expected to continue its dramatic growth in the coming years and, with it, a growth in the amount of data to be transmitted, processed and stored. Compression techniques that support analytics directly on the c…
View article: Change a Bit to save Bytes: Compression for Floating Point Time-Series Data
Change a Bit to save Bytes: Compression for Floating Point Time-Series Data Open
The number of IoT devices is expected to continue its dramatic growth in the coming years and, with it, a growth in the amount of data to be transmitted, processed and stored. Compression techniques that support analytics directly on the c…
View article: An Adaptive Column Compression Family for Self-Driving Databases
An Adaptive Column Compression Family for Self-Driving Databases Open
Modern in-memory databases are typically used for high-performance workloads, therefore they have to be optimized for small memory footprint and high query speed at the same time. Data compression has the potential to reduce memory require…
View article: Stream Compression of DLMS Smart Meter Readings
Stream Compression of DLMS Smart Meter Readings Open
Smart electricity meters typically upload power consumption readings once or few times a day. Utility providers aim to increase the upload frequency in order to access consumption information in near real time, but the currently used data …
View article: Stream Compression of DLMS Smart Meter Readings
Stream Compression of DLMS Smart Meter Readings Open
Smart electricity meters typically upload readings a few times a day. Utility providers aim to increase the upload frequency in order to access consumption information in near real time, but the legacy compressors fail to provide sufficien…
View article: Smart Meter Data Compression using Generalized Deduplication
Smart Meter Data Compression using Generalized Deduplication Open
Utility providers are relying more often on smart, wirelessly connected smart meters to collect consumption information of their customers. The sheer amount of connected smart meters and the growing requirements to provide more frequent re…
View article: Side Channel Security of Smart Meter Data Compression Techniques
Side Channel Security of Smart Meter Data Compression Techniques Open
Given the large and sustained growth in the number of smart meters for different applications, e.g., electricity, water or heat, effective data compression has become increasingly important.Although smart meters tend to encrypt payloads us…