منابع مشابه
Time Series Databases
Data persistence for time series is an old and in many cases traditional task for databases. In general, the time series is just a sequence of data elements. The typical use case is a set of measurements made over a time interval. Much of the data generated by sensors, in a machine to machine communication, in Internet of Things area could be collected as time series. Time series are used in st...
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The discovery of frequently occurring patterns in a time series could be important in several application contexts. As an example, the analysis of frequent patterns in biomedical observations could allow to perform diagnosis and/or prognosis. Moreover, the efficient discovery of frequent patterns may play an important role in several data mining tasks such as association rule discovery, cluster...
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This paper formulates the problem of learning discriminative features (i.e., segments) from networked time series data considering the linked information among time series. For example, social network users are considered to be social sensors that continuously generate social signals (tweets) represented as a time series. The discriminative segments are often referred to as shapelets in a time ...
متن کاملTime for Real - Time Temporal Databases ?
Time related concepts appear in both temporal databases and real-time databases. In this position paper, we show that with minor changes to the recently compiled basic concepts of temporal databases, it is possible to cover the conceptual needs of real-time databases as well. We also discuss practical implementation-oriented issues that arise when real-time databases are married to temporal dat...
متن کاملTemporal aggregation of equity return time-series models
In many economic and financial applications, the problem of temporal aggregation arises when data are observed at a lower frequency than the data generation frequency of the underlying model. The resulting observed data, which is referred to as the aggregate series, contain less information, and may lead to a distorted view of the true model, leading to potential errors in decision making. Ther...
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ژورنال
عنوان ژورنال: The Journal of Object Technology
سال: 2020
ISSN: 1660-1769
DOI: 10.5381/jot.2020.19.3.a14