TY - JOUR T1 - Fast Access to Large Timeseries Datasets in SCADA Systems AU - Tyukov, Anton AU - Khrzhanovskaya, Olga AU - Sokolov, Alexander AU - Shcherbakov, Maxim AU - Kamaev, Valerij JO - Research Journal of Applied Sciences VL - 10 IS - 1 SP - 12 EP - 16 PY - 2015 DA - 2001/08/19 SN - 1815-932x DO - rjasci.2015.12.16 UR - https://makhillpublications.co/view-article.php?doi=rjasci.2015.12.16 KW - SCADA KW -machine learning KW -data quality KW -timeseries data KW -building energy management system KW -BEMS KW -big data AB - This study presents a new method of working with timeseries data gathered from sensors. Researchers use natural time cycles of timeseries to create data packages of different type. Each data package is a small piece of timeseries data of fixed size and granularity, supported with statistical information and data quality certificate. Data quality certificate provides information about following aspects of data: syntactic, semantic, pragmatic and punctuation. This study contains a concept of data infrastructure and experimental results which proves significant increase of data extraction time and perform data quality certification of each data package. All experiments were performed on large time series data collected from electricity, water and gas meters in public buildings. ER -